OSDN Git Service
Alex Bennée [Mon, 3 Apr 2023 13:49:13 +0000 (14:49 +0100)]
MAINTAINERS: add a section for policy documents
We don't update these often but now at least we have a few like minded
individuals keeping reviewers eye out for changes.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Kashyap Chamarthy <kchamart@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <
20230403134920.
2132362-5-alex.bennee@linaro.org>
Alex Bennée [Mon, 3 Apr 2023 13:49:12 +0000 (14:49 +0100)]
gdbstub: don't report auxv feature unless on Linux
The later handler if conditionally compiled only for Linux but we
forgot to ensure we don't advertise it lest we confuse our BSD
brethren.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Fixes:
51c623b0de ("gdbstub: add support to Xfer:auxv:read: packet")
Reported-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Tested-by: Warner Losh <imp@bsdimp.com>
Message-Id: <
20230403134920.
2132362-4-alex.bennee@linaro.org>
Philippe Mathieu-Daudé [Mon, 3 Apr 2023 13:49:11 +0000 (14:49 +0100)]
gdbstub: Only build libgdb_user.fa / libgdb_softmmu.fa if necessary
It is pointless to build libgdb_user.fa in a system-only build
(or libgdb_softmmu.fa in a user-only build). Besides, in some
restricted build configurations, some APIs might be restricted /
not available. Example in a KVM-only builds where TCG is disabled:
$ ninja qemu-system-x86_64
[99/2187] Compiling C object gdbstub/libgdb_user.fa.p/user.c.o
FAILED: gdbstub/libgdb_user.fa.p/user.c.o
../../gdbstub/user.c: In function ‘gdb_breakpoint_insert’:
../../gdbstub/user.c:438:19: error: implicit declaration of function ‘cpu_breakpoint_insert’; did you mean ‘gdb_breakpoint_insert’? [-Werror=implicit-function-declaration]
438 | err = cpu_breakpoint_insert(cpu, addr, BP_GDB, NULL);
| ^~~~~~~~~~~~~~~~~~~~~
| gdb_breakpoint_insert
../../gdbstub/user.c:438:19: error: nested extern declaration of ‘cpu_breakpoint_insert’ [-Werror=nested-externs]
../../gdbstub/user.c: In function ‘gdb_breakpoint_remove’:
../../gdbstub/user.c:459:19: error: implicit declaration of function ‘cpu_breakpoint_remove’; did you mean ‘gdb_breakpoint_remove’? [-Werror=implicit-function-declaration]
459 | err = cpu_breakpoint_remove(cpu, addr, BP_GDB);
| ^~~~~~~~~~~~~~~~~~~~~
| gdb_breakpoint_remove
../../gdbstub/user.c:459:19: error: nested extern declaration of ‘cpu_breakpoint_remove’ [-Werror=nested-externs]
cc1: all warnings being treated as errors
ninja: build stopped: subcommand failed.
Fixes:
61b2e136db ("gdbstub: only compile gdbstub twice for whole build")
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <
20230329161852.84992-1-philmd@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <
20230403134920.
2132362-3-alex.bennee@linaro.org>
Alex Bennée [Mon, 3 Apr 2023 13:49:10 +0000 (14:49 +0100)]
scripts/coverage: initial coverage comparison script
This is a very rough and ready first pass at comparing gcovr's json
output between two different runs. At the moment it will give you a
file level diff between two runs but hopefully it wont be too hard to
extend to give better insight.
After generating the coverage results you run with something like:
./scripts/coverage/compare_gcov_json.py \
-a ./builds/gcov.config1/coverage.json \
-b ./builds/gcov.config2/coverage.json
My hope is we can use this to remove some redundancy from testing as
well as evaluate if new tests are actually providing additional
coverage or just burning our precious CI time.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Cc: Kautuk Consul <kconsul@linux.vnet.ibm.com>
Acked-by: Thomas Huth <thuth@redhat.com>
Message-Id: <
20230403134920.
2132362-2-alex.bennee@linaro.org>
Peter Maydell [Mon, 3 Apr 2023 16:01:47 +0000 (17:01 +0100)]
Merge tag 'pull-target-arm-
20230403' of https://git.linaro.org/people/pmaydell/qemu-arm into staging
* target/arm: Fix non-TCG build failure by inlining pauth_ptr_mask()
* hw/arm: do not free machine->fdt in arm_load_dtb()
* target/arm: Fix generated code for cpreg reads when HSTR is active
* hw/ssi: Fix Linux driver init issue with xilinx_spi
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# gpg: Signature made Mon 03 Apr 2023 17:00:44 BST
# gpg: using RSA key
E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg: issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# gpg: aka "Peter Maydell <peter@archaic.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE
* tag 'pull-target-arm-
20230403' of https://git.linaro.org/people/pmaydell/qemu-arm:
hw/ssi: Fix Linux driver init issue with xilinx_spi
target/arm: Fix generated code for cpreg reads when HSTR is active
hw/arm: do not free machine->fdt in arm_load_dtb()
target/arm: Fix non-TCG build failure by inlining pauth_ptr_mask()
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Chris Rauer [Mon, 3 Apr 2023 15:12:30 +0000 (16:12 +0100)]
hw/ssi: Fix Linux driver init issue with xilinx_spi
The problem is that the Linux driver expects the master transaction inhibit
bit(R_SPICR_MTI) to be set during driver initialization so that it can
detect the fifo size but QEMU defaults it to zero out of reset. The
datasheet indicates this bit is active on reset.
See page 25, SPI Control Register section:
https://www.xilinx.com/content/dam/xilinx/support/documents/ip_documentation/axi_quad_spi/v3_2/pg153-axi-quad-spi.pdf
Signed-off-by: Chris Rauer <crauer@google.com>
Message-id:
20230323182811.
2641044-1-crauer@google.com
Reviewed-by: Edgar E. Iglesias <edgar@zeroasic.com>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Peter Maydell [Mon, 3 Apr 2023 15:12:30 +0000 (16:12 +0100)]
target/arm: Fix generated code for cpreg reads when HSTR is active
In commit
049edada we added some code to handle HSTR_EL2 traps, which
we did as an inline "conditionally branch over a
gen_exception_insn()". Unfortunately this fails to take account of
the fact that gen_exception_insn() will set s->base.is_jmp to
DISAS_NORETURN. That means that at the end of the TB we won't
generate the necessary code to handle the "branched over the trap and
continued normal execution" codepath. The result is that the TCG
main loop thinks that we stopped execution of the TB due to a
situation that only happens when icount is enabled, and hits an
assertion. Explicitly set is_jmp back to DISAS_NEXT so we generate
the correct code for when execution continues past this insn.
Note that this only happens for cpreg reads; writes will call
gen_lookup_tb() which generates a valid end-of-TB.
Fixes:
049edada ("target/arm: Make HSTR_EL2 traps take priority over UNDEF-at-EL1")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1551
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id:
20230330101900.
2320380-1-peter.maydell@linaro.org
Markus Armbruster [Mon, 3 Apr 2023 15:12:30 +0000 (16:12 +0100)]
hw/arm: do not free machine->fdt in arm_load_dtb()
At this moment, arm_load_dtb() can free machine->fdt when
binfo->dtb_filename is NULL. If there's no 'dtb_filename', 'fdt' will be
retrieved by binfo->get_dtb(). If get_dtb() returns machine->fdt, as is
the case of machvirt_dtb() from hw/arm/virt.c, fdt now has a pointer to
machine->fdt. And, in that case, the existing g_free(fdt) at the end of
arm_load_dtb() will make machine->fdt point to an invalid memory region.
Since monitor command 'dumpdtb' was introduced a couple of releases
ago, running it with any ARM machine that uses arm_load_dtb() will
crash QEMU.
Let's enable all arm_load_dtb() callers to use dumpdtb properly. Instead
of freeing 'fdt', assign it back to ms->fdt.
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: qemu-arm@nongnu.org
Fixes:
bf353ad55590f ("qmp/hmp, device_tree.c: introduce dumpdtb")
Reported-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-id:
20230328165935.
1512846-1-armbru@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Philippe Mathieu-Daudé [Mon, 3 Apr 2023 15:12:29 +0000 (16:12 +0100)]
target/arm: Fix non-TCG build failure by inlining pauth_ptr_mask()
aarch64_gdb_get_pauth_reg() -- although disabled since commit
5787d17a42 ("target/arm: Don't advertise aarch64-pauth.xml to
gdb") is still compiled in. It calls pauth_ptr_mask() which is
located in target/arm/tcg/pauth_helper.c, a TCG specific helper.
To avoid a linking error when TCG is not enabled:
Undefined symbols for architecture arm64:
"_pauth_ptr_mask", referenced from:
_aarch64_gdb_get_pauth_reg in target_arm_gdbstub64.c.o
ld: symbol(s) not found for architecture arm64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
- Inline pauth_ptr_mask() in aarch64_gdb_get_pauth_reg()
(this is the single user),
- Rename pauth_ptr_mask_internal() as pauth_ptr_mask() and
inline it in "internals.h",
Fixes:
e995d5cce4 ("target/arm: Implement gdbstub pauth extension")
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id:
20230328212516.29592-1-philmd@linaro.org
[PMM: reinstated doc comment]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Peter Maydell [Thu, 30 Mar 2023 13:22:29 +0000 (14:22 +0100)]
Merge tag 'misc-fixes-
20230330' of https://github.com/philmd/qemu into staging
- linux-user:
. Don't use 16-bit UIDs with SPARC V9
. Pick MIPS3 CPU by default to run NaN2008 ELF binaries
- HW:
. Fix invalid GT64120 north bridge endianness register swap
. Prevent NULL pointer dereference by SMBus devices
- Buildsys:
. Fix compiling with liblzfse on Darwin
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# gpg: Signature made Thu 30 Mar 2023 14:17:35 BST
# gpg: using RSA key
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# gpg: Good signature from "Philippe Mathieu-Daudé (F4BUG) <f4bug@amsat.org>" [full]
# Primary key fingerprint: FAAB E75E 1291 7221 DCFD 6BB2 E3E3 2C2C DEAD C0DE
* tag 'misc-fixes-
20230330' of https://github.com/philmd/qemu:
block/dmg: Ignore C99 prototype declaration mismatch from <lzfse.h>
hw/i2c: pmbus: block uninitialised string reads
tests/avocado: Enable TuxRun/mips64 (big-endian) test
hw/mips/gt64xxx_pci: Don't endian-swap GT_PCI0_CFGADDR
linux-user/mips: Use P5600 as default CPU to run NaN2008 ELF binaries
linux-user/sparc: Don't use 16-bit UIDs on SPARC V9
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Philippe Mathieu-Daudé [Fri, 24 Mar 2023 14:47:01 +0000 (15:47 +0100)]
block/dmg: Ignore C99 prototype declaration mismatch from <lzfse.h>
When liblzfe (Apple LZFSE compression library) is present
(for example installed via 'brew') on Darwin, QEMU build
fails as:
Has header "lzfse.h" : YES
Library lzfse found: YES
Dependencies
lzo support : NO
snappy support : NO
bzip2 support : YES
lzfse support : YES
zstd support : YES 1.5.2
User defined options
dmg : enabled
lzfse : enabled
[221/903] Compiling C object libblock.fa.p/block_dmg-lzfse.c.o
FAILED: libblock.fa.p/block_dmg-lzfse.c.o
/opt/homebrew/Cellar/lzfse/1.0/include/lzfse.h:56:43: error: this function declaration is not a prototype [-Werror,-Wstrict-prototypes]
LZFSE_API size_t lzfse_encode_scratch_size();
^
void
/opt/homebrew/Cellar/lzfse/1.0/include/lzfse.h:94:43: error: this function declaration is not a prototype [-Werror,-Wstrict-prototypes]
LZFSE_API size_t lzfse_decode_scratch_size();
^
void
2 errors generated.
ninja: build stopped: subcommand failed.
This issue has been reported in the lzfse project in 2016:
https://github.com/lzfse/lzfse/issues/3#issuecomment-
226574719
Since the project seems unmaintained, simply ignore the
strict-prototypes warning check for the <lzfse.h> header,
similarly to how we deal with the GtkItemFactoryCallback
prototype from <gtk/gtkitemfactory.h>, indirectly included
by <gtk/gtk.h>.
Cc: Julio Faracco <jcfaracco@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Stefan Weil <sw@weilnetz.de>
Message-Id: <
20230327151349.97572-1-philmd@linaro.org>
Titus Rwantare [Wed, 22 Mar 2023 17:55:12 +0000 (17:55 +0000)]
hw/i2c: pmbus: block uninitialised string reads
Devices models calling pmbus_send_string can't be relied upon to
send a non-zero pointer. This logs an error and doesn't segfault.
Reviewed-by: Patrick Venture <venture@google.com>
Signed-off-by: Titus Rwantare <titusr@google.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <
20230322175513.
1550412-5-titusr@google.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Philippe Mathieu-Daudé [Thu, 23 Feb 2023 21:58:18 +0000 (21:58 +0000)]
tests/avocado: Enable TuxRun/mips64 (big-endian) test
Now that the previous commit ("hw/mips/gt64xxx_pci: Don't
endian-swap GT_PCI0_CFGADDR") fixed the issue accessing
the GT64120 PCI config-address register on big-endian
targets, we can enable this TuxRun test.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <
20230223220404.63630-1-philmd@linaro.org>
Jiaxun Yang [Thu, 23 Feb 2023 16:19:58 +0000 (16:19 +0000)]
hw/mips/gt64xxx_pci: Don't endian-swap GT_PCI0_CFGADDR
145e2198d749 ("hw/mips/gt64xxx_pci: Endian-swap using PCI_HOST_BRIDGE
MemoryRegionOps") converted CFGADDR/CFGDATA registers to use
PCI_HOST_BRIDGE's accessor facility and enabled byte swap for both
CFGADDR/CFGDATA register.
However CFGADDR as a ISD internal register is not controlled by
MByteSwap bit, it follows endian of all other ISD register, which
means it ties to little endian.
Move mapping of CFGADDR out of gt64120_update_pci_cfgdata_mapping
to disable endian-swapping.
Fixes:
145e2198d749 ("hw/mips/gt64xxx_pci: Endian-swap using PCI_HOST_BRIDGE MemoryRegionOps")
Reported-by: Nathan Chancellor <nathan@kernel.org>
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Message-Id: <
20230223161958.48696-1-jiaxun.yang@flygoat.com>
[PMD: !!! Note this only fixes little-endian hosts !!! ]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Philippe Mathieu-Daudé [Wed, 15 Mar 2023 07:39:23 +0000 (08:39 +0100)]
linux-user/mips: Use P5600 as default CPU to run NaN2008 ELF binaries
Per the release 6.06 revision history:
5.03 August 21, 2013
• ABS2008 and NAN2008 fields of Table 5.7 “FCSR RegisterField
Descriptions” were optional in release 3 and could be R/W,
but as of release 5 are required, read-only, and preset by
hardware.
The P5600 core implements the release 5, and has the ABS2008
and NAN2008 bits set in CP1_fcr31. Therefore it is able to run
ELF binaries compiled with EF_MIPS_NAN2008, such the CIP United
Debian NaN2008 distribution:
http://repo.oss.cipunited.com/mipsel-nan2008/README.txt
In order to run such compiled binaries, select by default the
P5600 core when the ELF 'MIPS_NAN2008' flag is set.
Reported-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <
20230327162444.388-1-philmd@linaro.org>
Philippe Mathieu-Daudé [Wed, 28 Dec 2022 20:10:41 +0000 (20:10 +0000)]
linux-user/sparc: Don't use 16-bit UIDs on SPARC V9
The 64-bit SPARC V9 syscall ABI uses 32-bit UIDs. Only enable
the 16-bit UID wrappers for 32-bit SPARC (V7 and V8).
Possibly missed in commit
992f48a036 ("Support for 32 bit
ABI on 64 bit targets (only enabled Sparc64)").
Reported-by: Gregor Riepl <onitake@gmail.com>
Tested-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Tested-by: Zach van Rijn <me@zv.io>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1394
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <
20230327131910.78564-1-philmd@linaro.org>
Peter Maydell [Wed, 29 Mar 2023 10:19:19 +0000 (11:19 +0100)]
Merge tag 'pull-tcg-
20230328' of https://gitlab.com/rth7680/qemu into staging
Use a local version of GTree [#285]
Fix page_set_flags vs the last page of the address space [#1528]
Re-enable gdbstub breakpoints under KVM
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# gpg: Signature made Tue 28 Mar 2023 23:56:50 BST
# gpg: using RSA key
7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg: issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A 05C0 64DF 38E8 AF7E 215F
* tag 'pull-tcg-
20230328' of https://gitlab.com/rth7680/qemu:
softmmu: Restore use of CPU watchpoint for all accelerators
softmmu/watchpoint: Add missing 'qemu/error-report.h' include
softmmu: Restrict cpu_check_watchpoint / address_matches to TCG accel
linux-user/arm: Take more care allocating commpage
include/exec: Change reserved_va semantics to last byte
linux-user: Pass last not end to probe_guest_base
accel/tcg: Pass last not end to tb_invalidate_phys_range
accel/tcg: Pass last not end to tb_invalidate_phys_page_range__locked
accel/tcg: Pass last not end to page_collection_lock
accel/tcg: Pass last not end to PAGE_FOR_EACH_TB
accel/tcg: Pass last not end to page_reset_target_data
accel/tcg: Pass last not end to page_set_flags
linux-user: Diagnose misaligned -R size
tcg: use QTree instead of GTree
util: import GTree as QTree
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Philippe Mathieu-Daudé [Tue, 28 Mar 2023 17:31:17 +0000 (19:31 +0200)]
softmmu: Restore use of CPU watchpoint for all accelerators
CPU watchpoints can be use by non-TCG accelerators.
KVM uses them:
$ git grep CPUWatchpoint|fgrep kvm
target/arm/kvm64.c:1558: CPUWatchpoint *wp = find_hw_watchpoint(cs, debug_exit->far);
target/i386/kvm/kvm.c:5216:static CPUWatchpoint hw_watchpoint;
target/ppc/kvm.c:443:static CPUWatchpoint hw_watchpoint;
target/s390x/kvm/kvm.c:139:static CPUWatchpoint hw_watchpoint;
See for example commit
e4482ab7e3 ("target-arm: kvm - add support
for HW assisted debug"):
This adds basic support for HW assisted debug. The ioctl interface
to KVM allows us to pass an implementation defined number of break
and watch point registers. [...]
This partially reverts commit
2609ec2868e6c286e755a73b4504714a0296a.
Fixes:
2609ec2868 ("softmmu: Extract watchpoint API from physmem.c")
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <
20230328173117.15226-4-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Philippe Mathieu-Daudé [Tue, 28 Mar 2023 17:31:16 +0000 (19:31 +0200)]
softmmu/watchpoint: Add missing 'qemu/error-report.h' include
cpu_watchpoint_insert() calls error_report() which is declared
in "qemu/error-report.h". When moving this code in commit
2609ec2868
("softmmu: Extract watchpoint API from physmem.c") we neglected to
include this header. This works so far because it is indirectly
included by TCG headers -> "qemu/plugin.h" -> "qemu/error-report.h".
Currently cpu_watchpoint_insert() is only built with the TCG
accelerator. When building it with other ones (or without TCG)
we get:
softmmu/watchpoint.c:38:9: error: implicit declaration of function 'error_report' is invalid in C99 [-Werror,-Wimplicit-function-declaration]
error_report("tried to set invalid watchpoint at %"
^
Include "qemu/error-report.h" in order to fix this for non-TCG
builds.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <
20230328173117.15226-3-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Philippe Mathieu-Daudé [Tue, 28 Mar 2023 17:31:15 +0000 (19:31 +0200)]
softmmu: Restrict cpu_check_watchpoint / address_matches to TCG accel
Both cpu_check_watchpoint() and cpu_watchpoint_address_matches()
are specific to TCG system emulation. Declare them in "tcg-cpu-ops.h"
to be sure accessing them from non-TCG code is a compilation error.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <
20230328173117.15226-2-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Wed, 22 Mar 2023 15:00:27 +0000 (08:00 -0700)]
linux-user/arm: Take more care allocating commpage
User setting of -R reserved_va can lead to an assertion
failure in page_set_flags. Sanity check the value of
reserved_va and print an error message instead. Do not
allocate a commpage at all for m-profile cpus.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sun, 5 Mar 2023 22:26:29 +0000 (01:26 +0300)]
include/exec: Change reserved_va semantics to last byte
Change the semantics to be the last byte of the guest va, rather
than the following byte. This avoids some overflow conditions.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Mon, 27 Mar 2023 20:31:01 +0000 (20:31 +0000)]
linux-user: Pass last not end to probe_guest_base
Pass the address of the last byte of the image, rather than
the first address past the last byte. This avoids overflow
when the last page of the address space is involved.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Mon, 6 Mar 2023 01:30:11 +0000 (04:30 +0300)]
accel/tcg: Pass last not end to tb_invalidate_phys_range
Pass the address of the last byte to be changed, rather than
the first address past the last byte. This avoids overflow
when the last page of the address space is involved.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Mon, 6 Mar 2023 01:18:34 +0000 (04:18 +0300)]
accel/tcg: Pass last not end to tb_invalidate_phys_page_range__locked
Pass the address of the last byte to be changed, rather than
the first address past the last byte. This avoids overflow
when the last page of the address space is involved.
Properly truncate tb_last to the end of the page; the comment about
tb_end being past the end of the page being ok is not correct,
considering overflow.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Mon, 6 Mar 2023 00:42:12 +0000 (03:42 +0300)]
accel/tcg: Pass last not end to page_collection_lock
Pass the address of the last byte to be changed, rather than
the first address past the last byte. This avoids overflow
when the last page of the address space is involved.
Fixes a bug in the loop comparision where "<= end" would lock
one more page than required.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Mon, 6 Mar 2023 00:20:46 +0000 (03:20 +0300)]
accel/tcg: Pass last not end to PAGE_FOR_EACH_TB
Pass the address of the last byte to be changed, rather than
the first address past the last byte. This avoids overflow
when the last page of the address space is involved.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sun, 5 Mar 2023 23:03:13 +0000 (02:03 +0300)]
accel/tcg: Pass last not end to page_reset_target_data
Pass the address of the last byte to be changed, rather than
the first address past the last byte. This avoids overflow
when the last page of the address space is involved.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Sun, 5 Mar 2023 22:51:09 +0000 (01:51 +0300)]
accel/tcg: Pass last not end to page_set_flags
Pass the address of the last byte to be changed, rather than
the first address past the last byte. This avoids overflow
when the last page of the address space is involved.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1528
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Richard Henderson [Tue, 7 Mar 2023 04:38:30 +0000 (20:38 -0800)]
linux-user: Diagnose misaligned -R size
We have been enforcing host page alignment for the non-R
fallback of MAX_RESERVED_VA, but failing to enforce for -R.
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Emilio Cota [Sun, 5 Feb 2023 16:37:58 +0000 (11:37 -0500)]
tcg: use QTree instead of GTree
qemu-user can hang in a multi-threaded fork. One common
reason is that when creating a TB, between fork and exec
we manipulate a GTree whose memory allocator (GSlice) is
not fork-safe.
Although POSIX does not mandate it, the system's allocator
(e.g. tcmalloc, libc malloc) is probably fork-safe.
Fix some of these hangs by using QTree, which uses the system's
allocator regardless of the Glib version that we used at
configuration time.
Tested with the test program in the original bug report, i.e.:
```
void garble() {
int pid = fork();
if (pid == 0) {
exit(0);
} else {
int wstatus;
waitpid(pid, &wstatus, 0);
}
}
void supragarble(unsigned depth) {
if (depth == 0)
return ;
std::thread a(supragarble, depth-1);
std::thread b(supragarble, depth-1);
garble();
a.join();
b.join();
}
int main() {
supragarble(10);
}
```
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/285
Reported-by: Valentin David <me@valentindavid.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Emilio Cota <cota@braap.org>
Message-Id: <
20230205163758.416992-3-cota@braap.org>
[rth: Add QEMU_DISABLE_CFI for all callback using functions.]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Emilio Cota [Sun, 5 Feb 2023 16:37:57 +0000 (11:37 -0500)]
util: import GTree as QTree
The only reason to add this implementation is to control the memory allocator
used. Some users (e.g. TCG) cannot work reliably in multi-threaded
environments (e.g. forking in user-mode) with GTree's allocator, GSlice.
See https://gitlab.com/qemu-project/qemu/-/issues/285 for details.
Importing GTree is a temporary workaround until GTree migrates away
from GSlice.
This implementation is identical to that in glib v2.75.0, except that
we don't import recent additions to the API nor deprecated API calls,
none of which are used in QEMU.
I've imported tests from glib and added a benchmark just to
make sure that performance is similar. Note: it cannot be identical
because (1) we are not using GSlice, (2) we use different compilation flags
(e.g. -fPIC) and (3) we're linking statically.
$ cat /proc/cpuinfo| grep 'model name' | head -1
model name : AMD Ryzen 7 PRO 5850U with Radeon Graphics
$ echo '0' | sudo tee /sys/devices/system/cpu/cpufreq/boost
$ tests/bench/qtree-bench
Tree Op 32 1024 4096 131072
1048576
------------------------------------------------------------------------------------------------
GTree Lookup 83.23 43.08 25.31 19.40 16.22
QTree Lookup 113.42 (1.36x) 53.83 (1.25x) 28.38 (1.12x) 17.64 (0.91x) 13.04 (0.80x)
GTree Insert 44.23 29.37 25.83 19.49 17.03
QTree Insert 46.87 (1.06x) 25.62 (0.87x) 24.29 (0.94x) 16.83 (0.86x) 12.97 (0.76x)
GTree Remove 53.27 35.15 31.43 24.64 16.70
QTree Remove 57.32 (1.08x) 41.76 (1.19x) 38.37 (1.22x) 29.30 (1.19x) 15.07 (0.90x)
GTree RemoveAll 135.44 127.52 126.72 120.11 64.34
QTree RemoveAll 127.15 (0.94x) 110.37 (0.87x) 107.97 (0.85x) 97.13 (0.81x) 55.10 (0.86x)
GTree Traverse 277.71 276.09 272.78 246.72 98.47
QTree Traverse 370.33 (1.33x) 411.97 (1.49x) 400.23 (1.47x) 262.82 (1.07x) 78.52 (0.80x)
------------------------------------------------------------------------------------------------
As a sanity check, the same benchmark when Glib's version
is >= $glib_dropped_gslice_version (i.e. QTree == GTree):
Tree Op 32 1024 4096 131072
1048576
------------------------------------------------------------------------------------------------
GTree Lookup 82.72 43.09 24.18 19.73 16.09
QTree Lookup 81.82 (0.99x) 43.10 (1.00x) 24.20 (1.00x) 19.76 (1.00x) 16.26 (1.01x)
GTree Insert 45.07 29.62 26.34 19.90 17.18
QTree Insert 45.72 (1.01x) 29.60 (1.00x) 26.38 (1.00x) 19.71 (0.99x) 17.20 (1.00x)
GTree Remove 54.48 35.36 31.77 24.97 16.95
QTree Remove 54.46 (1.00x) 35.32 (1.00x) 31.77 (1.00x) 24.91 (1.00x) 17.15 (1.01x)
GTree RemoveAll 140.68 127.36 125.43 121.45 68.20
QTree RemoveAll 140.65 (1.00x) 127.64 (1.00x) 125.01 (1.00x) 121.73 (1.00x) 67.06 (0.98x)
GTree Traverse 278.68 276.05 266.75 251.65 104.93
QTree Traverse 278.31 (1.00x) 275.78 (1.00x) 266.42 (1.00x) 247.89 (0.99x) 104.58 (1.00x)
------------------------------------------------------------------------------------------------
Signed-off-by: Emilio Cota <cota@braap.org>
Message-Id: <
20230205163758.416992-2-cota@braap.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Peter Maydell [Tue, 28 Mar 2023 19:43:21 +0000 (20:43 +0100)]
Update version for v8.0.0-rc2 release
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Peter Maydell [Tue, 28 Mar 2023 16:01:29 +0000 (17:01 +0100)]
Merge tag 'for-upstream' of https://repo.or.cz/qemu/kevin into staging
Block layer patches
- aio-posix: Fix race during epoll upgrade
- vhost-user-blk/VDUSE export: Fix a potential deadlock and an assertion
failure when the export runs in an iothread
- NBD server: Push pending frames after sending reply to fix performance
especially when used with TLS
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# -----END PGP SIGNATURE-----
# gpg: Signature made Tue 28 Mar 2023 13:34:22 BST
# gpg: using RSA key
DC3DEB159A9AF95D3D7456FE7F09B272C88F2FD6
# gpg: issuer "kwolf@redhat.com"
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74 56FE 7F09 B272 C88F 2FD6
* tag 'for-upstream' of https://repo.or.cz/qemu/kevin:
block/export: Fix graph locking in blk_get_geometry() call
aio-posix: fix race between epoll upgrade and aio_set_fd_handler()
block/export: only acquire AioContext once for vhost_user_server_stop()
nbd/server: push pending frames after sending reply
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Peter Maydell [Tue, 28 Mar 2023 12:27:04 +0000 (13:27 +0100)]
Merge tag 'pull-target-arm-
20230328' of https://git.linaro.org/people/pmaydell/qemu-arm into staging
target-arm queue:
* fix part of the "TCG-disabled builds are broken" issue
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# =lMnC
# -----END PGP SIGNATURE-----
# gpg: Signature made Tue 28 Mar 2023 13:25:59 BST
# gpg: using RSA key
E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg: issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@gmail.com>" [ultimate]
# gpg: aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [ultimate]
# gpg: aka "Peter Maydell <peter@archaic.org.uk>" [ultimate]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83 15CF 3C25 25ED 1436 0CDE
* tag 'pull-target-arm-
20230328' of https://git.linaro.org/people/pmaydell/qemu-arm:
target/arm/gdbstub: Only advertise M-profile features if TCG available
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Peter Maydell [Tue, 28 Mar 2023 12:26:49 +0000 (13:26 +0100)]
Merge tag 'net-pull-request' of https://github.com/jasowang/qemu into staging
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# gpg: Signature made Tue 28 Mar 2023 06:11:54 BST
# gpg: using RSA key
EF04965B398D6211
# gpg: Good signature from "Jason Wang (Jason Wang on RedHat) <jasowang@redhat.com>" [marginal]
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg: It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 215D 46F4 8246 689E C77F 3562 EF04 965B 398D 6211
* tag 'net-pull-request' of https://github.com/jasowang/qemu:
igb: respect VMVIR and VMOLR for VLAN
igb: implement VF Tx and Rx stats
igb: respect E1000_VMOLR_RSSE
igb: check oversized packets for VMDq
igb: implement VFRE and VFTE registers
igb: add ICR_RXDW
igb: handle PF/VF reset properly
MAINTAINERS: Add Sriram Yagnaraman as a igb reviewer
hw/net/net_tx_pkt: Align l3_hdr
hw/net/net_tx_pkt: Ignore ECN bit
igb: Fix DMA requester specification for Tx packet
igb: Save more Tx states
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Peter Maydell [Tue, 28 Mar 2023 10:21:39 +0000 (11:21 +0100)]
Merge tag 'nvme-next-pull-request' of https://gitlab.com/birkelund/qemu into staging
hw/nvme fixes
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# -----END PGP SIGNATURE-----
# gpg: Signature made Mon 27 Mar 2023 18:08:15 BST
# gpg: using RSA key
522833AA75E2DCE6A24766C04DE1AF316D4F0DE9
# gpg: Good signature from "Klaus Jensen <its@irrelevant.dk>" [full]
# gpg: aka "Klaus Jensen <k.jensen@samsung.com>" [full]
# Primary key fingerprint: DDCA 4D9C 9EF9 31CC 3468 4272 63D5 6FC5 E55D A838
# Subkey fingerprint: 5228 33AA 75E2 DCE6 A247 66C0 4DE1 AF31 6D4F 0DE9
* tag 'nvme-next-pull-request' of https://gitlab.com/birkelund/qemu:
hw/nvme: fix missing DNR on compare failure
hw/nvme: Change alignment in dma functions for nvme_blk_*
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Philippe Mathieu-Daudé [Wed, 22 Mar 2023 14:29:02 +0000 (15:29 +0100)]
target/arm/gdbstub: Only advertise M-profile features if TCG available
Cortex-M profile is only emulable from TCG accelerator. Restrict
the GDBstub features to its availability in order to avoid a link
error when TCG is not enabled:
Undefined symbols for architecture arm64:
"_arm_v7m_get_sp_ptr", referenced from:
_m_sysreg_get in target_arm_gdbstub.c.o
"_arm_v7m_mrs_control", referenced from:
_arm_gdb_get_m_systemreg in target_arm_gdbstub.c.o
ld: symbol(s) not found for architecture arm64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
Fixes:
7d8b28b8b5 ("target/arm: Implement gdbstub m-profile systemreg and secext")
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id:
20230322142902.69511-3-philmd@linaro.org
[PMM: add #include since I cherry-picked this patch from the series]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Sriram Yagnaraman [Fri, 24 Mar 2023 15:35:01 +0000 (16:35 +0100)]
igb: respect VMVIR and VMOLR for VLAN
Add support for stripping/inserting VLAN for VFs.
Had to move CSUM calculation back into the for loop, since packet data
is pulled inside the loop based on strip VLAN decision for every VF.
net_rx_pkt_fix_l4_csum should be extended to accept a buffer instead for
igb. Work for a future patch.
Signed-off-by: Sriram Yagnaraman <sriram.yagnaraman@est.tech>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Sriram Yagnaraman [Fri, 24 Mar 2023 15:35:00 +0000 (16:35 +0100)]
igb: implement VF Tx and Rx stats
Please note that loopback counters for VM to VM traffic is not
implemented yet: VFGOTLBC, VFGPTLBC, VFGORLBC and VFGPRLBC.
Signed-off-by: Sriram Yagnaraman <sriram.yagnaraman@est.tech>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Sriram Yagnaraman [Fri, 24 Mar 2023 15:34:59 +0000 (16:34 +0100)]
igb: respect E1000_VMOLR_RSSE
RSS for VFs is only enabled if VMOLR[n].RSSE is set.
Signed-off-by: Sriram Yagnaraman <sriram.yagnaraman@est.tech>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Sriram Yagnaraman [Fri, 24 Mar 2023 15:34:58 +0000 (16:34 +0100)]
igb: check oversized packets for VMDq
Signed-off-by: Sriram Yagnaraman <sriram.yagnaraman@est.tech>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Sriram Yagnaraman [Fri, 24 Mar 2023 15:34:57 +0000 (16:34 +0100)]
igb: implement VFRE and VFTE registers
Also introduce:
- Checks for RXDCTL/TXDCTL queue enable bits
- IGB_NUM_VM_POOLS enum (Sec 1.5: Table 1-7)
Signed-off-by: Sriram Yagnaraman <sriram.yagnaraman@est.tech>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Sriram Yagnaraman [Fri, 24 Mar 2023 15:34:56 +0000 (16:34 +0100)]
igb: add ICR_RXDW
IGB uses RXDW ICR bit to indicate that rx descriptor has been written
back. This is the same as RXT0 bit in older HW.
Signed-off-by: Sriram Yagnaraman <sriram.yagnaraman@est.tech>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Sriram Yagnaraman [Fri, 24 Mar 2023 15:34:55 +0000 (16:34 +0100)]
igb: handle PF/VF reset properly
Use PFRSTD to reset RSTI bit for VFs, and raise VFLRE interrupt when VF
is reset.
Signed-off-by: Sriram Yagnaraman <sriram.yagnaraman@est.tech>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Sriram Yagnaraman [Fri, 24 Mar 2023 15:34:54 +0000 (16:34 +0100)]
MAINTAINERS: Add Sriram Yagnaraman as a igb reviewer
I would like to review and be informed on changes to igb device
Signed-off-by: Sriram Yagnaraman <sriram.yagnaraman@est.tech>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Akihiko Odaki [Fri, 24 Mar 2023 09:54:34 +0000 (18:54 +0900)]
hw/net/net_tx_pkt: Align l3_hdr
Align the l3_hdr member of NetTxPkt by defining it as a union of
ip_header, ip6_header, and an array of octets.
Fixes:
e263cd49c7 ("Packet abstraction for VMWARE network devices")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1544
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Akihiko Odaki [Fri, 24 Mar 2023 09:54:33 +0000 (18:54 +0900)]
hw/net/net_tx_pkt: Ignore ECN bit
No segmentation should be performed if gso type is
VIRTIO_NET_HDR_GSO_NONE even if ECN bit is set.
Fixes:
e263cd49c7 ("Packet abstraction for VMWARE network devices")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1544
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Akihiko Odaki [Fri, 24 Mar 2023 09:54:32 +0000 (18:54 +0900)]
igb: Fix DMA requester specification for Tx packet
igb used to specify the PF as DMA requester when reading Tx packets.
This made Tx requests from VFs to be performed on the address space of
the PF, defeating the purpose of SR-IOV. Add some logic to change the
requester depending on the queue, which can be assigned to a VF.
Fixes:
3a977deebe ("Intrdocue igb device emulation")
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Akihiko Odaki [Fri, 24 Mar 2023 09:54:31 +0000 (18:54 +0900)]
igb: Save more Tx states
The current implementation of igb uses only part of a advanced Tx
context descriptor and first data descriptor because it misses some
features and sniffs the trait of the packet instead of respecting the
packet type specified in the descriptor. However, we will certainly
need the entire Tx context descriptor when we update igb to respect
these ignored fields. Save the entire context descriptor and first
data descriptor except the buffer address to prepare for such a change.
This also introduces the distinction of contexts with different
indexes, which was not present in e1000e but in igb.
Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
Reviewed-by: Sriram Yagnaraman <sriram.yagnaraman@est.tech>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Klaus Jensen [Thu, 25 Aug 2022 05:29:08 +0000 (07:29 +0200)]
hw/nvme: fix missing DNR on compare failure
Even if the host is somehow using compare to do compare-and-write, the
host should be notified immediately about the compare failure and not
have to wait for the driver to potentially retry the command.
Fixes:
0a384f923f51 ("hw/block/nvme: add compare command")
Reported-by: Jim Harris <james.r.harris@intel.com>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Mateusz Kozlowski [Mon, 20 Mar 2023 12:40:36 +0000 (13:40 +0100)]
hw/nvme: Change alignment in dma functions for nvme_blk_*
Since the nvme_blk_read/write are used by both the data and metadata
portions of the IO, it can't have the 512B alignment requirement.
Without this change any metadata transfer, which length isn't a multiple
of 512B and which is bigger than 512B, will result in only a partial
transfer.
Signed-off-by: Mateusz Kozlowski <kozlowski.mateuszpl@gmail.com>
Reviewed-by: Klaus Jensen <k.jensen@samsung.com>
Signed-off-by: Klaus Jensen <k.jensen@samsung.com>
Kevin Wolf [Mon, 27 Mar 2023 11:39:59 +0000 (13:39 +0200)]
block/export: Fix graph locking in blk_get_geometry() call
blk_get_geometry() eventually calls bdrv_nb_sectors(), which is a
co_wrapper_mixed_bdrv_rdlock. This means that when it is called from
coroutine context, it already assume to have the graph locked.
However, virtio_blk_sect_range_ok() in block/export/virtio-blk-handler.c
(used by vhost-user-blk and VDUSE exports) runs in a coroutine, but
doesn't take the graph lock - blk_*() functions are generally expected
to do that internally. This causes an assertion failure when accessing
an export for the first time if it runs in an iothread.
This is an example of the crash:
$ ./storage-daemon/qemu-storage-daemon --object iothread,id=th0 --blockdev file,filename=/home/kwolf/images/hd.img,node-name=disk --export vhost-user-blk,addr.type=unix,addr.path=/tmp/vhost.sock,node-name=disk,id=exp0,iothread=th0
qemu-storage-daemon: ../block/graph-lock.c:268: void assert_bdrv_graph_readable(void): Assertion `qemu_in_main_thread() || reader_count()' failed.
(gdb) bt
#0 0x00007ffff6eafe5c in __pthread_kill_implementation () from /lib64/libc.so.6
#1 0x00007ffff6e5fa76 in raise () from /lib64/libc.so.6
#2 0x00007ffff6e497fc in abort () from /lib64/libc.so.6
#3 0x00007ffff6e4971b in __assert_fail_base.cold () from /lib64/libc.so.6
#4 0x00007ffff6e58656 in __assert_fail () from /lib64/libc.so.6
#5 0x00005555556337a3 in assert_bdrv_graph_readable () at ../block/graph-lock.c:268
#6 0x00005555555fd5a2 in bdrv_co_nb_sectors (bs=0x5555564c5ef0) at ../block.c:5847
#7 0x00005555555ee949 in bdrv_nb_sectors (bs=0x5555564c5ef0) at block/block-gen.c:256
#8 0x00005555555fd6b9 in bdrv_get_geometry (bs=0x5555564c5ef0, nb_sectors_ptr=0x7fffef7fedd0) at ../block.c:5884
#9 0x000055555562ad6d in blk_get_geometry (blk=0x5555564cb200, nb_sectors_ptr=0x7fffef7fedd0) at ../block/block-backend.c:1624
#10 0x00005555555ddb74 in virtio_blk_sect_range_ok (blk=0x5555564cb200, block_size=512, sector=0, size=512) at ../block/export/virtio-blk-handler.c:44
#11 0x00005555555dd80d in virtio_blk_process_req (handler=0x5555564cbb98, in_iov=0x7fffe8003830, out_iov=0x7fffe8003860, in_num=1, out_num=0) at ../block/export/virtio-blk-handler.c:189
#12 0x00005555555dd546 in vu_blk_virtio_process_req (opaque=0x7fffe8003800) at ../block/export/vhost-user-blk-server.c:66
#13 0x00005555557bf4a1 in coroutine_trampoline (i0=-
402635264, i1=32767) at ../util/coroutine-ucontext.c:177
#14 0x00007ffff6e75c20 in ?? () from /lib64/libc.so.6
#15 0x00007fffefffa870 in ?? ()
#16 0x0000000000000000 in ?? ()
Fix this by creating a new blk_co_get_geometry() that takes the lock,
and changing blk_get_geometry() to be a co_wrapper_mixed around it.
To make the resulting code cleaner, virtio-blk-handler.c can directly
call the coroutine version now (though that wouldn't be necessary for
fixing the bug, taking the lock in blk_co_get_geometry() is what fixes
it).
Fixes:
8ab8140a04cf771d63e9754d6ba6c1e676bfe507
Reported-by: Lukáš Doktor <ldoktor@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <
20230327113959.60071-1-kwolf@redhat.com>
Reviewed-by: Emanuele Giuseppe Esposito <eesposit@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Stefan Hajnoczi [Thu, 23 Mar 2023 14:48:59 +0000 (10:48 -0400)]
aio-posix: fix race between epoll upgrade and aio_set_fd_handler()
If another thread calls aio_set_fd_handler() while the IOThread event
loop is upgrading from ppoll(2) to epoll(7) then we might miss new
AioHandlers. The epollfd will not monitor the new AioHandler's fd,
resulting in hangs.
Take the AioHandler list lock while upgrading to epoll. This prevents
AioHandlers from changing while epoll is being set up. If we cannot lock
because we're in a nested event loop, then don't upgrade to epoll (it
will happen next time we're not in a nested call).
The downside to taking the lock is that the aio_set_fd_handler() thread
has to wait until the epoll upgrade is finished, which involves many
epoll_ctl(2) system calls. However, this scenario is rare and I couldn't
think of another solution that is still simple.
Reported-by: Qing Wang <qinwang@redhat.com>
Buglink: https://bugzilla.redhat.com/show_bug.cgi?id=2090998
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Fam Zheng <fam@euphon.net>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <
20230323144859.
1338495-1-stefanha@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Stefan Hajnoczi [Thu, 23 Mar 2023 14:58:53 +0000 (10:58 -0400)]
block/export: only acquire AioContext once for vhost_user_server_stop()
vhost_user_server_stop() uses AIO_WAIT_WHILE(). AIO_WAIT_WHILE()
requires that AioContext is only acquired once.
Since blk_exp_request_shutdown() already acquires the AioContext it
shouldn't be acquired again in vhost_user_server_stop().
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Message-Id: <
20230323145853.
1345527-1-stefanha@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Florian Westphal [Fri, 24 Mar 2023 10:47:20 +0000 (11:47 +0100)]
nbd/server: push pending frames after sending reply
qemu-nbd doesn't set TCP_NODELAY on the tcp socket.
Kernel waits for more data and avoids transmission of small packets.
Without TLS this is barely noticeable, but with TLS this really shows.
Booting a VM via qemu-nbd on localhost (with tls) takes more than
2 minutes on my system. tcpdump shows frequent wait periods, where no
packets get sent for a 40ms period.
Add explicit (un)corking when processing (and responding to) requests.
"TCP_CORK, &zero" after earlier "CORK, &one" will flush pending data.
VM Boot time:
main: no tls: 23s, with tls: 2m45s
patched: no tls: 14s, with tls: 15s
VM Boot time, qemu-nbd via network (same lan):
main: no tls: 18s, with tls: 1m50s
patched: no tls: 17s, with tls: 18s
Future optimization: if we could detect if there is another pending
request we could defer the uncork operation because more data would be
appended.
Signed-off-by: Florian Westphal <fw@strlen.de>
Message-Id: <
20230324104720.2498-1-fw@strlen.de>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Peter Maydell [Fri, 24 Mar 2023 16:08:46 +0000 (16:08 +0000)]
Merge tag 'pull-request-2023-03-24' of https://gitlab.com/thuth/qemu into staging
* Remove TABs in hw/ide and hw/block
* Two fixes for GCC 13
* MSYS2 CI job improvements
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# -----END PGP SIGNATURE-----
# gpg: Signature made Fri 24 Mar 2023 15:34:33 GMT
# gpg: using RSA key
27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg: issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg: aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg: aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg: aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3 EAB9 2ED9 D774 FE70 2DB5
* tag 'pull-request-2023-03-24' of https://gitlab.com/thuth/qemu:
Revert "docs/about/deprecated: Deprecate 32-bit arm hosts for system emulation"
cirrus-ci: Remove MSYS2 jobs duplicated with gitlab-ci
gitlab-ci: Cover SPICE in the MSYS2 job
ui/spice: fix compilation on win32
target/ppc: Fix helper_pminsn() prototype
target/s390x: Fix float_comp_to_cc() prototype
hw/block: replace TABs with space
hw/ide: replace TABs with space
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Peter Maydell [Fri, 24 Mar 2023 16:08:29 +0000 (16:08 +0000)]
Merge tag 'pull-xen-
20230324' of https://xenbits.xen.org/git-http/people/aperard/qemu-dm into staging
Xen queue
- fix guest creation when -xen-domid-restrict is used.
- fix Xen PV guest creation.
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# gpg: Signature made Fri 24 Mar 2023 14:54:43 GMT
# gpg: using RSA key
F80C006308E22CFD8A92E7980CF5572FD7FB55AF
# gpg: Good signature from "Anthony PERARD <anthony.perard@gmail.com>" [marginal]
# gpg: aka "Anthony PERARD <anthony.perard@citrix.com>" [marginal]
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg: It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 5379 2F71 024C 600F 778A 7161 D8D5 7199 DF83 42C8
# Subkey fingerprint: F80C 0063 08E2 2CFD 8A92 E798 0CF5 572F D7FB 55AF
* tag 'pull-xen-
20230324' of https://xenbits.xen.org/git-http/people/aperard/qemu-dm:
hw/xenpv: Initialize Xen backend operations
accel/xen: Fix DM state change notification in dm_restrict mode
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Peter Maydell [Fri, 24 Mar 2023 16:08:07 +0000 (16:08 +0000)]
Merge tag 'qga-pull-2023-03-22' of github.com:kostyanf14/qemu into staging
qga-pull-2023-03-22
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# gpg: Signature made Wed 22 Mar 2023 19:07:54 GMT
# gpg: using RSA key
C2C2C109EA43C63C1423EB84EF5D5E8161BA84E7
# gpg: Good signature from "Kostiantyn Kostiuk (Upstream PR sign) <kkostiuk@redhat.com>" [unknown]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: C2C2 C109 EA43 C63C 1423 EB84 EF5D 5E81 61BA 84E7
* tag 'qga-pull-2023-03-22' of github.com:kostyanf14/qemu:
qga/vss-win32: fix warning for clang++-15
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
David Woodhouse [Thu, 23 Mar 2023 10:57:34 +0000 (10:57 +0000)]
hw/xenpv: Initialize Xen backend operations
As the Xen backend operations were abstracted out into a function table to
allow for internally emulated Xen support, we missed the xen_init_pv()
code path which also needs to install the operations for the true Xen
libraries. Add the missing call to setup_xen_backend_ops().
Fixes:
b6cacfea0b38 ("hw/xen: Add evtchn operations to allow redirection to internal emulation")
Reported-by: Anthony PERARD <anthony.perard@citrix.com>
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
Tested-by: Anthony PERARD <anthony.perard@citrix.com>
Message-Id: <
5dfb65342d4502c1ce2f890c97cff20bf25b3860.camel@infradead.org>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Thomas Huth [Fri, 17 Mar 2023 16:55:04 +0000 (17:55 +0100)]
Revert "docs/about/deprecated: Deprecate 32-bit arm hosts for system emulation"
This reverts commit
1d0a8eba38cdddd028ea02c6e0b68f0a4c9a3cbf.
The commit made the wrong assumption that 64-bit distros are most
common these days on arm devices, but as Liviu Ionescu pointed out,
the recommended OS for the very popular Raspberry Pi boards is still
the 32-bit variant, and thus likely still used by a lot of people:
https://www.raspberrypi.com/software/operating-systems/
Thus it's likely still a little bit too early to put this host
environment on the deprecation list and we should wait a little
bit longer 'til 64-bit distros are the predominant ones.
Message-Id: <
20230317165504.613172-1-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Philippe Mathieu-Daudé [Wed, 22 Mar 2023 13:57:21 +0000 (14:57 +0100)]
cirrus-ci: Remove MSYS2 jobs duplicated with gitlab-ci
- Various developers are reluctant to git Cirrus-CI the permissions
requested to access their GitHub account.
- When we use the cirrus-run script to trigger Cirrus-CI job from
GitLab-CI, the GitLab-CI job is restricted to a 1h timeout
(often not enough).
- Although Cirrus-CI VMs are more powerful than GitLab-CI ones,
its free plan is limited in 2 concurrent jobs.
- The GitLab-CI MSYS2 jobs are a 1:1 mapping with the Cirrus-CI ones
(modulo the environment caching).
Reduce the maintenance burden by removing the Cirrus-CI config file,
keeping the GitLab-CI jobs.
Update Yonggang Luo's maintenance file list to the new file, which
use the same environment shell.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <
20230322135721.61138-3-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Philippe Mathieu-Daudé [Wed, 22 Mar 2023 13:57:20 +0000 (14:57 +0100)]
gitlab-ci: Cover SPICE in the MSYS2 job
Include the mingw-w64-x86_64-spice package so SPICE is covered:
C compiler for the host machine: cc -m64 -mcx16 (gcc 12.2.0 "cc (Rev10, Built by MSYS2 project) 12.2.0")
...
Run-time dependency spice-protocol found: YES 0.14.4
Run-time dependency spice-server found: YES 0.15.1
In particular this would have helped catching the build issue
reported as https://gitlab.com/qemu-project/qemu/-/issues/1553:
[1851/5253] Compiling C object libcommon.fa.p/ui_spice-core.c.obj
FAILED: libcommon.fa.p/ui_spice-core.c.obj
../ui/spice-core.c: In function 'watch_remove':
../ui/spice-core.c:152:5: error: implicit declaration of function 'qemu_close_to_socket' [-Werror=implicit-function-declaration]
152 | qemu_close_to_socket(watch->fd);
| ^~~~~~~~~~~~~~~~~~~~
../ui/spice-core.c:152:5: error: nested extern declaration of 'qemu_close_to_socket' [-Werror=nested-externs]
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <
20230322135721.61138-2-philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Marc-André Lureau [Wed, 22 Mar 2023 07:52:56 +0000 (11:52 +0400)]
ui/spice: fix compilation on win32
qemu_close_to_socket() renaming left-over.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1553
Fixes: commit
e40283d9a ("ui/spice: fix SOCKET handling regression")
Reported-by: Jintao Yin <nicememory@gmail.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <
20230322075256.
2043812-1-marcandre.lureau@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Cédric Le Goater [Tue, 21 Mar 2023 16:16:09 +0000 (17:16 +0100)]
target/ppc: Fix helper_pminsn() prototype
GCC13 reports an error:
../target/ppc/excp_helper.c:2625:6: error: conflicting types for ‘helper_pminsn’ due to enum/integer mismatch; have ‘void(CPUPPCState *, powerpc_pm_insn_t)’ {aka ‘void(struct CPUArchState *, powerpc_pm_insn_t)’} [-Werror=enum-int-mismatch]
2625 | void helper_pminsn(CPUPPCState *env, powerpc_pm_insn_t insn)
| ^~~~~~~~~~~~~
In file included from /home/legoater/work/qemu/qemu.git/include/qemu/osdep.h:49,
from ../target/ppc/excp_helper.c:19:
/home/legoater/work/qemu/qemu.git/include/exec/helper-head.h:23:27: note: previous declaration of ‘helper_pminsn’ with type ‘void(CPUArchState *, uint32_t)’ {aka ‘void(CPUArchState *, unsigned int)’}
23 | #define HELPER(name) glue(helper_, name)
| ^~~~~~~
Fixes:
7778a575c7 ("ppc: Add P7/P8 Power Management instructions")
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Message-Id: <
20230321161609.716474-4-clg@kaod.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Cédric Le Goater [Tue, 21 Mar 2023 16:16:08 +0000 (17:16 +0100)]
target/s390x: Fix float_comp_to_cc() prototype
GCC13 reports an error :
../target/s390x/tcg/fpu_helper.c:123:5: error: conflicting types for ‘float_comp_to_cc’ due to enum/integer mismatch; have ‘int(CPUS390XState *, FloatRelation)’ {aka ‘int(struct CPUArchState *, FloatRelation)’} [-Werror=enum-int-mismatch]
123 | int float_comp_to_cc(CPUS390XState *env, FloatRelation float_compare)
| ^~~~~~~~~~~~~~~~
In file included from ../target/s390x/tcg/fpu_helper.c:23:
../target/s390x/s390x-internal.h:302:5: note: previous declaration of ‘float_comp_to_cc’ with type ‘int(CPUS390XState *, int)’ {aka ‘int(struct CPUArchState *, int)’}
302 | int float_comp_to_cc(CPUS390XState *env, int float_compare);
| ^~~~~~~~~~~~~~~~
Fixes:
71bfd65c5f ("softfloat: Name compare relation enum")
Signed-off-by: Cédric Le Goater <clg@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <
20230321161609.716474-3-clg@kaod.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Yeqi Fu [Tue, 14 Mar 2023 09:50:01 +0000 (17:50 +0800)]
hw/block: replace TABs with space
Bring the block files in line with the QEMU coding style, with spaces
for indentation. This patch partially resolves the issue 371.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/371
Signed-off-by: Yeqi Fu <fufuyqqqqqq@gmail.com>
Message-Id: <
20230314095001.13801-1-fufuyqqqqqq@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
Yeqi Fu [Wed, 15 Mar 2023 04:32:29 +0000 (12:32 +0800)]
hw/ide: replace TABs with space
Bring the block files in line with the QEMU coding style, with spaces
for indentation. This patch partially resolves the issue 371.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/371
Signed-off-by: Yeqi Fu <fufuyqqqqqq@gmail.com>
Message-Id: <
20230315043229.62100-1-fufuyqqqqqq@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
David Woodhouse [Tue, 14 Mar 2023 08:35:03 +0000 (08:35 +0000)]
accel/xen: Fix DM state change notification in dm_restrict mode
When dm_restrict is set, QEMU isn't permitted to update the XenStore node
to indicate its running status. Previously, the xs_write() call would fail
but the failure was ignored.
However, in refactoring to allow for emulated XenStore operations, a new
call to xs_open() was added. That one didn't fail gracefully, causing a
fatal error when running in dm_restrict mode.
Partially revert the offending patch, removing the additional call to
xs_open() because the global 'xenstore' variable is still available; it
just needs to be used with qemu_xen_xs_write() now instead of directly
with the xs_write() libxenstore function.
Also make the whole thing conditional on !xen_domid_restrict. There's no
point even registering the state change handler to attempt to update the
XenStore node when we know it's destined to fail.
Fixes:
ba2a92db1ff6 ("hw/xen: Add xenstore operations to allow redirection to internal emulation")
Reported-by: Jason Andryuk <jandryuk@gmail.com>
Co-developed-by: Jason Andryuk <jandryuk@gmail.com>
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Paul Durrant <paul@xen.org>
Tested-by: Jason Andryuk <jandryuk@gmail.com>
Message-Id: <
1f141995bb61af32c2867ef5559e253f39b0949c.camel@infradead.org>
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Pierrick Bouvier [Tue, 21 Feb 2023 15:30:05 +0000 (16:30 +0100)]
qga/vss-win32: fix warning for clang++-15
Reported when compiling with clang-windows-arm64.
../qga/vss-win32/install.cpp:537:9: error: variable 'hr' is used uninitialized whenever 'if' condition is false [-Werror,-Wsometimes-uninitialized]
if (!(ControlService(service, SERVICE_CONTROL_STOP, NULL))) {
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../qga/vss-win32/install.cpp:545:12: note: uninitialized use occurs here
return hr;
^~
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Fixes:
917ebcb170 ("qga-win: Fix QGA VSS Provider service stop failure")
Reviewed-by: Konstantin Kostiuk <kkostiuk@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Kostiantyn Kostiuk <kostyanf14@live.com>
Peter Maydell [Wed, 22 Mar 2023 17:58:12 +0000 (17:58 +0000)]
Merge tag 'pull-for-8.0-220323-1' of https://gitlab.com/stsquad/qemu into staging
Misc fixes for 8.0 (testing, plugins, gitdm)
- update Alpine image used for testing images
- include libslirp in custom runner build env
- update gitlab-runner recipe for CentOS
- update docker calls for better caching behaviour
- document some plugin callbacks
- don't use tags to define drives for lkft baseline tests
- fix missing clear of plugin_mem_cbs
- fix iotests to report individual results
- update the gitdm metadata for contributors
- avoid printing comments before g_test_init()
- probe for multiprocess support before running avocado test
- refactor igb.py into netdev-ethtool.py avocado test
- rebuild openbsd to have more space space for iotests
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# gpg: Signature made Wed 22 Mar 2023 15:10:02 GMT
# gpg: using RSA key
6685AE99E75167BCAFC8DF35FBD0DB095A9E2A44
# gpg: Good signature from "Alex Bennée (Master Work Key) <alex.bennee@linaro.org>" [full]
# Primary key fingerprint: 6685 AE99 E751 67BC AFC8 DF35 FBD0 DB09 5A9E 2A44
* tag 'pull-for-8.0-220323-1' of https://gitlab.com/stsquad/qemu: (35 commits)
qtests: avoid printing comments before g_test_init()
contrib/gitdm: add group map for AMD
contrib/gitdm: add more individual contributors
contrib/gitdm: add revng to domain map
contrib/gitdm: add Alibaba to the domain-map
contrib/gitdm: add Amazon to the domain map
contrib/gitdm: Add SYRMIA to the domain map
contrib/gitdm: Add ASPEED Technology to the domain map
iotests: remove the check-block.sh script
iotests: register each I/O test separately with meson
iotests: always use a unique sub-directory per test
iotests: connect stdin to /dev/null when running tests
iotests: print TAP protocol version when reporting tests
iotests: strip subdir path when listing tests
iotests: allow test discovery before building
iotests: explicitly pass source/build dir to 'check' command
tests/vm: custom openbsd partitioning to increase /home space
tests/vm: skip X11 in openbsd installation
include/qemu/plugin: Inline qemu_plugin_disable_mem_helpers
include/qemu: Split out plugin-event.h
...
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Daniel P. Berrangé [Fri, 17 Mar 2023 17:05:53 +0000 (17:05 +0000)]
qtests: avoid printing comments before g_test_init()
The TAP protocol version line must be the first thing printed on
stdout. The migration test failed that requirement in certain
scenarios:
# Skipping test: Userfault not available (builtdtime)
TAP version 13
# random seed: R02Sc120c807f11053eb90bfea845ba1e368
1..32
# Start of x86_64 tests
# Start of migration tests
....
The TAP version is printed by g_test_init(), so we need to make
sure that any methods which print are run after that.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-Id: <
20230317170553.592707-1-berrange@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Alex Bennée [Wed, 15 Mar 2023 17:43:31 +0000 (17:43 +0000)]
contrib/gitdm: add group map for AMD
AMD recently acquired Xilinx and contributors have been transitioning
their emails across.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Cc: Vikram Garhwal <vikram.garhwal@amd.com>
Cc: Stefano Stabellini <stefano.stabellini@amd.com>
Cc: Sai Pavan Boddu <sai.pavan.boddu@xilinx.com>
Cc: Tong Ho <tong.ho@xilinx.com>
Reviewed-by: Francisco Iglesias <francisco.iglesias@amd.com>
Message-Id: <
20230315174331.2959-33-alex.bennee@linaro.org>
Alex Bennée [Wed, 15 Mar 2023 17:43:30 +0000 (17:43 +0000)]
contrib/gitdm: add more individual contributors
I've only added the names explicitly acked.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Acked-by: Bin Meng <bmeng@tinylab.org>
Acked-by: Jason A. Donenfeld <Jason@zx2c4.com>
Acked-by: Strahinja Jankovic <strahinja.p.jankovic@gmail.com>
Acked-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <
20230315174331.2959-32-alex.bennee@linaro.org>
Alex Bennée [Wed, 15 Mar 2023 17:43:29 +0000 (17:43 +0000)]
contrib/gitdm: add revng to domain map
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Cc: Anton Johansson <anjo@rev.ng>
Cc: Niccolò Izzo <nizzo@rev.ng>
Cc: Paolo Montesel <babush@rev.ng>
Reviewed-by: Alessandro Di Federico <ale@rev.ng>
Message-Id: <
20230315174331.2959-31-alex.bennee@linaro.org>
Alex Bennée [Wed, 15 Mar 2023 17:43:28 +0000 (17:43 +0000)]
contrib/gitdm: add Alibaba to the domain-map
This replaces the previous attempt to add c-sky.com. Group everything
under Alibaba now.
Added as requested by LIU Zhiwei.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Acked-by: Guo Ren <guoren@kernel.org>
Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Reviewed-by: LIU Zhiwei <zhiwei_liu@linux.alibaba.com>
Message-Id: <
20230315174331.2959-30-alex.bennee@linaro.org>
Alex Bennée [Wed, 15 Mar 2023 17:43:27 +0000 (17:43 +0000)]
contrib/gitdm: add Amazon to the domain map
We have multiple contributors from both .co.uk and .com versions of
the address. Also add .de for completeness sake.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Cc: Alexander Graf <graf@amazon.com>
Cc: Paul Durrant <pdurrant@amazon.com>
Cc: David Wooodhouse <dwmw@amazon.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Paul Durrant <pdurrant@amazon.com>
Reviewed-by: Alexander Graf <graf@amazon.com>
Message-Id: <
20230315174331.2959-29-alex.bennee@linaro.org>
Alex Bennée [Wed, 15 Mar 2023 17:43:26 +0000 (17:43 +0000)]
contrib/gitdm: Add SYRMIA to the domain map
The company website lists QEMU amongst the things they work on so I
assume these are corporate contributions.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Cc: Milica Lazarevic <milica.lazarevic@syrmia.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <
20230315174331.2959-28-alex.bennee@linaro.org>
Alex Bennée [Wed, 15 Mar 2023 17:43:25 +0000 (17:43 +0000)]
contrib/gitdm: Add ASPEED Technology to the domain map
We have a number of contributors from this domain which is a corporate
endeavour.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Cc: Steven Lee <steven_lee@aspeedtech.com>
Cc: Troy Lee <troy_lee@aspeedtech.com>
Cc: Howard Chiu <howard_chiu@aspeedtech.com>
Cc: Jamin Lin <jamin_lin@aspeedtech.com>
Reviewed-by: Troy Lee <troy_lee@aspeedtech.com>
Message-Id: <
20230315174331.2959-27-alex.bennee@linaro.org>
Daniel P. Berrangé [Wed, 15 Mar 2023 17:43:24 +0000 (17:43 +0000)]
iotests: remove the check-block.sh script
Now that meson directly invokes the individual I/O tests, the
check-block.sh wrapper script is no longer required.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Acked-by: Hanna Czenczek <hreitz@redhat.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Message-Id: <
20230303160727.
3977246-9-berrange@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <
20230315174331.2959-26-alex.bennee@linaro.org>
Daniel P. Berrangé [Wed, 15 Mar 2023 17:43:23 +0000 (17:43 +0000)]
iotests: register each I/O test separately with meson
Currently meson registers a single test that invokes an entire group of
I/O tests, hiding the test granularity from meson. There are various
downsides of doing this
* You cannot ask 'meson test' to invoke a single I/O test
* The meson test timeout can't be applied to the individual
tests
* Meson only gets a pass/fail for the overall I/O test group
not individual tests
* If a CI job gets killed by the GitLab timeout, we don't
get visibility into how far through the I/O tests
execution got.
This switches meson to perform test discovery by invoking 'check' in
dry-run mode. It then registers one meson test case for each I/O
test. Parallel execution remains disabled since the I/O tests do not
use self contained execution environments and thus conflict with
each other.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Acked-by: Hanna Czenczek <hreitz@redhat.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Message-Id: <
20230303160727.
3977246-8-berrange@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <
20230315174331.2959-25-alex.bennee@linaro.org>
Daniel P. Berrangé [Wed, 15 Mar 2023 17:43:22 +0000 (17:43 +0000)]
iotests: always use a unique sub-directory per test
The current test runner is only safe against parallel execution within
a single instance of the 'check' process, and only if -j is given a
value greater than 2. This prevents running multiple copies of the
'check' process for different test scenarios.
This change switches the output / socket directories to always include
the test name, image format and image protocol. This should allow full
parallelism of all distinct test scenarios. eg running both qcow2 and
raw tests at the same time, or both file and nbd tests at the same
time.
It would be possible to allow for parallelism of the same test scenario
by including the pid, but that would potentially let many directories
accumulate over time on failures, so is not done.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Acked-by: Hanna Czenczek <hreitz@redhat.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Message-Id: <
20230303160727.
3977246-7-berrange@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <
20230315174331.2959-24-alex.bennee@linaro.org>
Daniel P. Berrangé [Wed, 15 Mar 2023 17:43:21 +0000 (17:43 +0000)]
iotests: connect stdin to /dev/null when running tests
Currently the tests have their stdin inherited from the test harness,
meaning they are connected to a TTY. The QEMU processes spawned by
certain tests, however, modify TTY settings and if the test exits
abnormally the settings might not be restored.
The python test harness thus has some logic which will capture the
initial TTY settings and restore them once all tests are finished.
This does not, however, take into account the possibility of many
copies of the 'check' program running in parallel. With parallel
execution, a later invokation may save the TTY state that QEMU has
already modified, and thus restore bad state leaving the TTY
non-functional.
None of the I/O tests shnould actually be interactive requiring
user input and so they should not require a TTY at all. To avoid
this while TTY save/restore complexity we can connect the test
stdin to /dev/null instead.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Acked-by: Hanna Czenczek <hreitz@redhat.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Message-Id: <
20230303160727.
3977246-6-berrange@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <
20230315174331.2959-23-alex.bennee@linaro.org>
Daniel P. Berrangé [Wed, 15 Mar 2023 17:43:20 +0000 (17:43 +0000)]
iotests: print TAP protocol version when reporting tests
Recently meson started complaining that TAP test reports don't include
the TAP protocol version. While this warning is bogus and has since been
removed from Meson, it looks like good practice to include this header
going forward. The GLib library test harness has started unconditionally
printing the version, so this brings the I/O tests into line.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Acked-by: Hanna Czenczek <hreitz@redhat.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Message-Id: <
20230303160727.
3977246-5-berrange@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <
20230315174331.2959-22-alex.bennee@linaro.org>
Daniel P. Berrangé [Wed, 15 Mar 2023 17:43:19 +0000 (17:43 +0000)]
iotests: strip subdir path when listing tests
When asking 'check' to list individual tests by invoking it in dry run
mode, it prints the paths to the tests relative to the base of the
I/O test directory.
When asking 'check' to run an individual test, however, it mandates that
only the unqualified test name is given, without any path prefix. This
inconsistency makes it harder to ask for a list of tests and then invoke
each one.
Thus the test listing code is change to flatten the test names, by
printing only the base name, which can be directly invoked.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Acked-by: Hanna Czenczek <hreitz@redhat.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Message-Id: <
20230303160727.
3977246-4-berrange@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <
20230315174331.2959-21-alex.bennee@linaro.org>
Daniel P. Berrangé [Wed, 15 Mar 2023 17:43:18 +0000 (17:43 +0000)]
iotests: allow test discovery before building
The 'check' script can be invoked in "dry run" mode, in which case it
merely does test discovery and prints out all their names. Despite only
doing test discovery it still validates that the various QEMU binaries
can be found. This makes it impossible todo test discovery prior to
building QEMU. This is a desirable feature to support, because it will
let meson discover tests.
Fortunately the code in the TestEnv constructor is ordered in a way
that makes this fairly trivial to achieve. We can just short circuit
the constructor after the basic directory paths have been set.
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Acked-by: Hanna Czenczek <hreitz@redhat.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Message-Id: <
20230303160727.
3977246-3-berrange@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <
20230315174331.2959-20-alex.bennee@linaro.org>
Daniel P. Berrangé [Wed, 15 Mar 2023 17:43:17 +0000 (17:43 +0000)]
iotests: explicitly pass source/build dir to 'check' command
The 'check' script has some rather dubious logic whereby it assumes
that if invoked as a symlink, then it is running from a separate
source tree and build tree, otherwise it assumes the current working
directory is a combined source and build tree.
This doesn't work if you want to invoke the 'check' script using
its full source tree path while still using a split source and build
tree layout. This would be a typical situation with meson if you ask
it to find the 'check' script path using files('check').
Rather than trying to make the logic more magical, add support for
explicitly passing the dirs using --source-dir and --build-dir. If
either is omitted the current logic is maintained.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Acked-by: Hanna Czenczek <hreitz@redhat.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Message-Id: <
20230303160727.
3977246-2-berrange@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <
20230315174331.2959-19-alex.bennee@linaro.org>
Daniel P. Berrangé [Wed, 22 Mar 2023 12:36:39 +0000 (12:36 +0000)]
tests/vm: custom openbsd partitioning to increase /home space
The openbsd image is 20GB in size, but the automatic partitioning
done by the installer leaves /home with a mere ~3.5 GB of space,
wasting free space across many other partitions that are not
used by our build process:
openbsd$ df
Filesystem 512-blocks Used Avail Capacity Mounted on
/dev/sd0a
1229692 213592 954616 18% /
/dev/sd0k
7672220 40
7288572 0% /home
/dev/sd0d
1736604 24
1649752 0% /tmp
/dev/sd0f
4847676 2505124 2100172 54% /usr
/dev/sd0g
1326684 555656 704696 44% /usr/X11R6
/dev/sd0h
4845436 1445932 3157236 31% /usr/local
/dev/sd0j
10898972 4
10354020 0% /usr/obj
/dev/sd0i
3343644 4
3176460 0% /usr/src
/dev/sd0e
2601212 19840
2451312 1% /var
This change tells the installer todo custom partitioning with
4 GB on /, 256 MB swap, and the remaining ~15GB for /home
openbsd$ df
Filesystem 512-blocks Used Avail Capacity Mounted on
/dev/sd0a
7932412 4740204 2795588 63% /
/dev/sd0d
32164636 40
30556368 0% /home
This will avoid ENOSPC failures when tests that need to create
big files (disk images) run in parallel.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Acked-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <
20230322123639.836104-3-berrange@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Daniel P. Berrangé [Wed, 22 Mar 2023 12:36:38 +0000 (12:36 +0000)]
tests/vm: skip X11 in openbsd installation
As a VM used only for automated testing there is no need to
install the X11 stack.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <
20230322123639.836104-2-berrange@redhat.com>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Richard Henderson [Wed, 15 Mar 2023 17:43:16 +0000 (17:43 +0000)]
include/qemu/plugin: Inline qemu_plugin_disable_mem_helpers
Now that we've broken the include loop with cpu.h,
we can bring this inline.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <
20230310195252.210956-8-richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <
20230315174331.2959-18-alex.bennee@linaro.org>
Reviewed-by: Emilio Cota <cota@braap.org>
Richard Henderson [Wed, 15 Mar 2023 17:43:15 +0000 (17:43 +0000)]
include/qemu: Split out plugin-event.h
The usage in hw/core/cpu.h only requires QEMU_PLUGIN_EV_MAX.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <
20230310195252.210956-7-richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <
20230315174331.2959-17-alex.bennee@linaro.org>
Reviewed-by: Emilio Cota <cota@braap.org>
Richard Henderson [Wed, 15 Mar 2023 17:43:14 +0000 (17:43 +0000)]
*: Add missing includes of qemu/plugin.h
This had been pulled in from hw/core/cpu.h,
but that will be removed.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <
20230310195252.210956-6-richard.henderson@linaro.org>
[AJB: also syscall-trace.h]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <
20230315174331.2959-16-alex.bennee@linaro.org>
Reviewed-by: Emilio Cota <cota@braap.org>
Richard Henderson [Wed, 15 Mar 2023 17:43:13 +0000 (17:43 +0000)]
*: Add missing includes of qemu/error-report.h
This had been pulled in via qemu/plugin.h from hw/core/cpu.h,
but that will be removed.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <
20230310195252.210956-5-richard.henderson@linaro.org>
[AJB: add various additional cases shown by CI]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <
20230315174331.2959-15-alex.bennee@linaro.org>
Reviewed-by: Emilio Cota <cota@braap.org>
Richard Henderson [Wed, 15 Mar 2023 17:43:12 +0000 (17:43 +0000)]
include/qemu/plugin: Remove QEMU_PLUGIN_ASSERT
This macro is no longer used.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <
20230310195252.210956-4-richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <
20230315174331.2959-14-alex.bennee@linaro.org>
Reviewed-by: Emilio Cota <cota@braap.org>
Richard Henderson [Wed, 15 Mar 2023 17:43:11 +0000 (17:43 +0000)]
tcg: Drop plugin_gen_disable_mem_helpers from tcg_gen_exit_tb
Now that we call qemu_plugin_disable_mem_helpers in cpu_tb_exec,
we don't need to do this in generated code as well.
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <
20230310195252.210956-3-richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <
20230315174331.2959-13-alex.bennee@linaro.org>
Reviewed-by: Emilio Cota <cota@braap.org>
Richard Henderson [Wed, 15 Mar 2023 17:43:10 +0000 (17:43 +0000)]
tcg: Clear plugin_mem_cbs on TB exit
Do this in cpu_tb_exec (normal exit) and cpu_loop_exit (exception),
adjacent to where we reset can_do_io.
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1381
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <
20230310195252.210956-2-richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <
20230315174331.2959-12-alex.bennee@linaro.org>
Reviewed-by: Emilio Cota <cota@braap.org>
Alex Bennée [Wed, 15 Mar 2023 17:43:09 +0000 (17:43 +0000)]
tests/avocado: don't use tags to define drive
We are abusing the avocado tags which are intended to provide test
selection metadata to provide parameters to our test. This works OK up
until the point you need to have ,'s in the field as this is the tag
separator character which is the case for a number of the drive
parameters. Fix this by making drive a parameter to the common helper
function.
Fixes:
267fe57c23 (tests: add tuxrun baseline test to avocado)
Reviewed-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <
20230315174331.2959-11-alex.bennee@linaro.org>
Alex Bennée [Wed, 15 Mar 2023 17:43:06 +0000 (17:43 +0000)]
tests/tcg: add some help output for running individual tests
So you can do:
cd tests/tcg/aarch64-linux-user
make -f ../Makefile.target help
To see the list of tests. You can then run each one individually.
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <
20230315174331.2959-8-alex.bennee@linaro.org>
Alex Bennée [Wed, 15 Mar 2023 17:43:05 +0000 (17:43 +0000)]
include/qemu: add documentation for memory callbacks
Some API documentation was missed, rectify that.
Fixes: https://gitlab.com/qemu-project/qemu/-/issues/1497
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <
20230315174331.2959-7-alex.bennee@linaro.org>
Alex Bennée [Wed, 15 Mar 2023 17:43:04 +0000 (17:43 +0000)]
gitlab: update centos-8-stream job
A couple of clean-ups here:
- inherit from the custom runners job for artefacts
- call check-avocado directly
- add some comments to the top about setup
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <
20230315174331.2959-6-alex.bennee@linaro.org>
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