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Vitaly Bordug [Sat, 29 Oct 2005 00:46:28 +0000 (17:46 -0700)]
[PATCH] ppc32: ppc_sys fixes for 8xx and 82xx
This patch fixes a numbers of issues regarding to that both 8xx and 82xx
began to use ppc_sys model:
- Platform is now identified by default deviceless SOC, if no
BOARD_CHIP_NAME is specified in the bard-specific header. For the list
of supported names refer to (arch/ppc/syslib/) mpc8xx_sys.c and
mpc82xx_sys.c for 8xx and 82xx respectively.
- Fixed a bug in identification by name - if the name was not found,
it returned -1 instead of default deviceless ppc_spec.
- fixed devices amount in the 8xx platform system descriptions
Signed-off-by: Vitaly Bordug <vbordug@ru.mvista.com>
Signed-off-by: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
Signed-off-by: Kumar Gala <kumar.gala@freescale.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Andy Fleming [Sat, 29 Oct 2005 00:46:27 +0000 (17:46 -0700)]
[PATCH] ppc32: 85xx PHY Platform Update
This patch updates the 85xx platform code to support the new PHY Layer.
Signed-off-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: Kumar Gala <Kumar.gala@freescale.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Nicolas DET [Sat, 29 Oct 2005 00:46:25 +0000 (17:46 -0700)]
[PATCH] chrp_pegasos_eth: Added Marvell Discovery II SRAM support
Add proper entry to support the Marvell MV64361 (Marvell Discovery II)
SRAM.
This feature may be used by the mv643xx_eth driver.
Signed-off-by: Nicolas DET <det.nicolas@free.fr>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Olaf Hering [Sat, 29 Oct 2005 00:46:21 +0000 (17:46 -0700)]
[PATCH] Add modalias for pmac network drivers
mesh, mac53c94 and airport already have an entry. Add the network drivers
for pmac.
Signed-off-by: Olaf Hering <olh@suse.de>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
scwhab@suse.de [Sat, 29 Oct 2005 00:46:20 +0000 (17:46 -0700)]
[PATCH] Add modalias to macio sysfs attributes
Provide a "compatible" entry in /sys/bus/macio/devices/*/ This can be used
to load drivers via the modules.alias file.
Signed-off-by: Olaf Hering <olh@suse.de>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Olaf Hering [Sat, 29 Oct 2005 00:46:19 +0000 (17:46 -0700)]
[PATCH] ppc32: nvram driver for chrp
This implements a nvram acccess method, similar to
arch/ppc64/kernel/pSeries_nvram.c tested on CHRP B50.
Signed-off-by: Olaf Hering <olh@suse.de>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Roland Dreier [Sat, 29 Oct 2005 00:46:18 +0000 (17:46 -0700)]
[PATCH] ppc: make phys_mem_access_prot() work with pfns instead of addresses
Change the phys_mem_access_prot() function to take a pfn instead of an
address. This allows mmap64() to work on /dev/mem for addresses above 4G
on 32-bit architectures. We start with a pfn in mmap_mem(), so there's no
need to convert to an address; in fact, it's actively bad, since the
conversion can overflow when the address is above 4G.
Similarly fix the ppc32 page_is_ram() function to avoid a conversion to an
address by directly comparing to max_pfn. Working with max_pfn instead of
high_memory fixes page_is_ram() to give the right answer for highmem pages.
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Cc: Anton Blanchard <anton@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Olaf Hering [Sat, 29 Oct 2005 00:46:17 +0000 (17:46 -0700)]
[PATCH] ppc32: update xmon help text
Mention a few more commands in xmon. System.map processing was replaced
with kallsyms.
Signed-off-by: Olaf Hering <olh@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Marcelo Tosatti [Sat, 29 Oct 2005 00:46:15 +0000 (17:46 -0700)]
[PATCH] ppc32: #ifdef out ALTIVEC specific code in __switch_to
#ifdef out an ALTIVEC specific tweak in __switch_to()
Signed-off-by: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Matt Porter [Sat, 29 Oct 2005 00:46:14 +0000 (17:46 -0700)]
[PATCH] ppc32: Cleanup AMCC PPC44x eval board U-Boot support
Cleanup PPC440 eval boards (bamboo, ebony, luan and ocotea) to better
support U-Boot as bootloader.
Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Matt Porter <mporter@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Marcelo Tosatti [Sat, 29 Oct 2005 00:46:13 +0000 (17:46 -0700)]
[PATCH] MPC8xx PCMCIA driver
Here is an uptodated version of the MPC8xx PCMCIA driver for v2.6,
addressing comments by Jeff and Dominik:
- use IO accessors instead of direct device memory referencing
- avoid usage of non-standard "uint/uchar" data types
- kill struct typedef's
Will submit it for inclusion once v2.6.14 is out.
Testing on 8xx platforms is more than welcome! Works like a charm
on our custom hardware (CONFIG_PRxK).
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Marcelo Tosatti [Sat, 29 Oct 2005 00:46:10 +0000 (17:46 -0700)]
[PATCH] ppc32 8xx: use io accessor macros instead of direct memory reference
Convert core 8xx drivers to use in_xxxbe/in_xxx macros instead of direct
memory references.
Other than making IO accesses explicit (which is a plus for readability), a
common set of macros provides a unified place for the volatile flag to
constraint compiler code reordering.
There are several unlucky places at the moment which lack the volatile
flag.
Signed-off-by: Marcelo Tosatti <marcelo.tosatti@cyclades.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Lee Nicks [Sat, 29 Oct 2005 00:46:09 +0000 (17:46 -0700)]
[PATCH] ppc: prevent GCC 4 from generating AltiVec instructions in kernel
Depending on how GCC is built, GCC 4 may generate altivec instructions without
user explicitly requesting vector operations in the code. Although this is a
performance booster for user applications, it is a problem for kernel.
This patch explicitly instruct GCC to NOT generate altivec instructions while
building the kernel.
Here are some test cases I ran.
(1) build gcc 4.0.1 with '--with-cpu=7450 --enable-altivec
--enable-cxx-flags=-mcpu=7450', and use this gcc to build kernel WITHOUT
this kernel patch. Kernel fail to boot up on a 7450 board because of
altivec instructions in kernel.
(2) build gcc 4.0.1 with "--with-cpu=7450 --enable-altivec
--enable-cxx-flags=-mcpu=7450", and use this gcc to build kernel WITH this
kernel patch. Kernel boot up on a 7450 board without any problem.
(3) build gcc 4.0.1 with "--with-cpu=750 --enable-cxx-flags=-mcpu=750",
and use this gcc to build kernel with or without this kernel patch.
Kernel boot up on a 7450 board without any problem.
This patch should also work with GCC 3 or even earlier GCC 2.95.3.
Signed-off-by: Lee Nicks <allinux@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Fri, 28 Oct 2005 12:53:37 +0000 (22:53 +1000)]
powerpc: Merge xmon
The merged version follows the ppc64 version pretty closely mostly,
and in fact ARCH=ppc64 now uses the arch/powerpc/xmon version.
The main difference for ppc64 is that the 'p' command to call
show_state (which was always pretty dodgy) has been replaced by
the ppc32 'p' command, which calls a given procedure (so in fact
the old 'p' command behaviour can be achieved with 'p $show_state').
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Fri, 28 Oct 2005 12:48:08 +0000 (22:48 +1000)]
powerpc: Make single-stepping emulation (mostly) usable on 32-bit
The sc instruction emulation can't be done the same way on 32-bit
as 64-bit yet, but this should work OK.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Fri, 28 Oct 2005 12:45:25 +0000 (22:45 +1000)]
powerpc: Rename asm offset TRAP to _TRAP for 32-bit
... for consistency with 64-bit.
Signed-off-by: Paul Mackerras <paulus@samba.org>
David Gibson [Fri, 28 Oct 2005 05:35:50 +0000 (15:35 +1000)]
[PATCH] powerpc: Move xics.[ch] into platforms/pseries
This patch moves the XICS interrupt controller code into the
platforms/pseries directory, since it only appears on pSeries
machines. If it ever appears on some other machine we can move it to
sysdev, although xics.c itself will need a bunch of changes in that
case to remove pSeries specific assumptions.
Signed-off-by: David Gibson <dwg@au1.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Fri, 28 Oct 2005 03:50:39 +0000 (13:50 +1000)]
Merge git://oak/home/sfr/kernels/iseries/work/
Paul Mackerras [Fri, 28 Oct 2005 03:38:53 +0000 (13:38 +1000)]
Merge in v2.6.14 by hand
Stephen Rothwell [Thu, 27 Oct 2005 08:03:58 +0000 (18:03 +1000)]
ppc64: use mem_64.S from powerpc/lib
and remove the same bits from ppc64/lib/string.S.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Stephen Rothwell [Thu, 27 Oct 2005 07:28:21 +0000 (17:28 +1000)]
ppc64: use usercopy_64.c from powerpc/lib
since it is identical to usercopy.c from ppc64/lib.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Stephen Rothwell [Thu, 27 Oct 2005 07:12:52 +0000 (17:12 +1000)]
ppc64: user strcase.c from powerpc/lib
since it is identical to strcase.c from ppc64/lib.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Stephen Rothwell [Thu, 27 Oct 2005 07:05:27 +0000 (17:05 +1000)]
ppc64: use sstep.c from powerpc/lib
since it is identical to sstep.c from ppc64/lib.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Stephen Rothwell [Thu, 27 Oct 2005 06:49:44 +0000 (16:49 +1000)]
ppc64: use memcpy_64.S from powerpc/lib
since it is identical to mempcy.S from ppc64/lib.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Stephen Rothwell [Thu, 27 Oct 2005 06:45:38 +0000 (16:45 +1000)]
ppc64: use lockc.c from powerpc/lib
since it is effectively the same as locks.c from ppc64/lib.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Stephen Rothwell [Thu, 27 Oct 2005 06:40:05 +0000 (16:40 +1000)]
ppc64: use copyuser_64.S from powerpc/lib
since it is identical to copyuser.S from ppc64/lib.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Stephen Rothwell [Thu, 27 Oct 2005 06:35:43 +0000 (16:35 +1000)]
ppc64: use copypage_64.S from powerpc/lib
since it is identical to copypage.S from ppc64/lib.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Stephen Rothwell [Thu, 27 Oct 2005 06:28:43 +0000 (16:28 +1000)]
ppc64: use e2a.c from powerpc/lib
since it is identical to e2a.c from ppc64/lib
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Stephen Rothwell [Thu, 27 Oct 2005 06:25:05 +0000 (16:25 +1000)]
ppc64: use checksum_64.S from powerpc
as it is identical to checksum.S from ppc64.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Stephen Rothwell [Fri, 28 Oct 2005 02:51:45 +0000 (12:51 +1000)]
ppc64: use the merged syscall table
This allows us to also use entry_64.S from the merged tree and reverts
the setup_64.c part of
fda262b8978d0089758ef9444508434c74113a61.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Paul Mackerras [Fri, 28 Oct 2005 01:47:17 +0000 (11:47 +1000)]
ppc64: Use the correct prototypes for i8259 functions
We still had an old copy of i8259.h lying around; this gets rid of it
and corrects the callers of i8259_init and i8259_irq.
Signed-off-by: Paul Mackerras <paulus@samba.org>
David Gibson [Fri, 28 Oct 2005 00:31:49 +0000 (10:31 +1000)]
[PATCH] powerpc: Remove dregs of bootinfo.h
Since I sent the patch to purge bootinfo.h from ARCH=powerpc and
ARCH=ppc64, setup-common.c has come into existence, and another
#include of bootinfo.h slipped in. This patch removes it. It also
removes include/asm-ppc64/bootinfo.h, which somehow survived the
previous patch which was supposed to remove it.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Kumar Gala [Thu, 27 Oct 2005 13:54:36 +0000 (08:54 -0500)]
[PATCH] powerpc: only build idle_6xx for 6xx
For the current time idle_6xx only applies to 6xx ppc32 CPUs
Signed-off-by: Kumar K. Gala <kumar.gala@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Linus Torvalds [Fri, 28 Oct 2005 00:02:08 +0000 (17:02 -0700)]
Linux v2.6.14
"Better late than never"
Linus Torvalds [Thu, 27 Oct 2005 23:58:20 +0000 (16:58 -0700)]
Merge /pub/scm/linux/kernel/git/acme/net-2.6
Dave Jones [Thu, 27 Oct 2005 23:16:25 +0000 (16:16 -0700)]
[PATCH] cpufreq: SMP fix for conservative governor
Don't try to access not-present CPUs. Conservative governor will always
oops on SMP without this fix.
Fixes http://bugzilla.kernel.org/show_bug.cgi?id=4781
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Linus Torvalds [Thu, 27 Oct 2005 23:28:39 +0000 (16:28 -0700)]
Revert "x86-64: Avoid unnecessary double bouncing for swiotlb"
Commit id
6142891a0c0209c91aa4a98f725de0d6e2ed4918
Andi Kleen reports that it seems to break things for some people,
and since it's purely a small optimization, revert it for now.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Paul Mackerras [Thu, 27 Oct 2005 22:30:25 +0000 (08:30 +1000)]
ppc64: Include arch/powerpc/kernel/setup-common.o
... which is needed now that ARCH=ppc64 is using the merged
setup_64.c.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Thu, 27 Oct 2005 22:29:36 +0000 (08:29 +1000)]
powerpc: Move U3 IOMMU driver to arch/powerpc/sysdev
Signed-off-by: Paul Mackerras <paulus@samba.org>
Herbert Xu [Thu, 27 Oct 2005 08:47:46 +0000 (18:47 +1000)]
[TCP]: Clear stale pred_flags when snd_wnd changes
This bug is responsible for causing the infamous "Treason uncloaked"
messages that's been popping up everywhere since the printk was added.
It has usually been blamed on foreign operating systems. However,
some of those reports implicate Linux as both systems are running
Linux or the TCP connection is going across the loopback interface.
In fact, there really is a bug in the Linux TCP header prediction code
that's been there since at least 2.1.8. This bug was tracked down with
help from Dale Blount.
The effect of this bug ranges from harmless "Treason uncloaked"
messages to hung/aborted TCP connections. The details of the bug
and fix is as follows.
When snd_wnd is updated, we only update pred_flags if
tcp_fast_path_check succeeds. When it fails (for example,
when our rcvbuf is used up), we will leave pred_flags with
an out-of-date snd_wnd value.
When the out-of-date pred_flags happens to match the next incoming
packet we will again hit the fast path and use the current snd_wnd
which will be wrong.
In the case of the treason messages, it just happens that the snd_wnd
cached in pred_flags is zero while tp->snd_wnd is non-zero. Therefore
when a zero-window packet comes in we incorrectly conclude that the
window is non-zero.
In fact if the peer continues to send us zero-window pure ACKs we
will continue making the same mistake. It's only when the peer
transmits a zero-window packet with data attached that we get a
chance to snap out of it. This is what triggers the treason
message at the next retransmit timeout.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Roland McGrath [Thu, 27 Oct 2005 10:16:42 +0000 (03:16 -0700)]
[PATCH] Yet more posix-cpu-timer fixes
This just makes sure that a thread's expiry times can't get reset after
it clears them in do_exit.
This is what allowed us to re-introduce the stricter BUG_ON() check in
a362f463a6d316d14daed0f817e151835ce97ff7.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Linus Torvalds [Thu, 27 Oct 2005 16:07:33 +0000 (09:07 -0700)]
Revert "remove false BUG_ON() from run_posix_cpu_timers()"
This reverts commit
3de463c7d9d58f8cf3395268230cb20a4c15bffa.
Roland has another patch that allows us to leave the BUG_ON() in place
by just making sure that the condition it tests for really is always
true.
That goes in next.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Paul Mackerras [Thu, 27 Oct 2005 12:45:33 +0000 (22:45 +1000)]
powerpc: Fix new-world powermac detection
My G5 was being reported as an OldWorld in /proc/cpuinfo, which is
obviously not right... :)
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Thu, 27 Oct 2005 12:44:39 +0000 (22:44 +1000)]
powerpc: Introduce toreal/fromreal assembly macros
On 32-bit platforms, these convert from kernel virtual addresses
to real (physical addresses), like tophys/tovirt but they use
the same register for the source and destination. On 64-bit
platforms, they do nothing because the hardware ignores the top
two bits of the address in real mode.
These new macros are used in fpu.S now.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Thu, 27 Oct 2005 12:42:04 +0000 (22:42 +1000)]
powerpc: 32-bit CHRP SMP fixes
Untested, but "should" work... at least this way it compiles.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Thu, 27 Oct 2005 12:21:37 +0000 (22:21 +1000)]
powerpc: remove duplicate screen_info from setup_32.c
Signed-off-by: Paul Mackerras <paulus@samba.org>
Kumar Gala [Wed, 26 Oct 2005 14:56:10 +0000 (09:56 -0500)]
[PATCH] powerpc: Moved dcr support to arch/powerpc
Signed-off-by: Kumar K. Gala <kumar.gala@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Kumar Gala [Wed, 26 Oct 2005 14:55:41 +0000 (09:55 -0500)]
[PATCH] powerpc: Fix warning related to do_dabr
do_dabr() is not relevant on 40x or Book-E processors so dont build it
Signed-off-by: Kumar K. Gala <kumar.gala@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
David Gibson [Mon, 24 Oct 2005 04:05:38 +0000 (14:05 +1000)]
[PATCH] powerpc: Don't use kmalloc() for kernel stacks
In readiness for 64k pages, when THREAD_SIZE will be less than
PAGE_SIZE, ppc64 uses kmalloc() rather than __get_free_pages() to
allocate kernel stacks, and since thread_info.h was merged, so does
ppc32. However that adds some overhead which we don't really want
when PAGE_SIZE <= THREAD_SIZE (including all ppc32 machines), so this
patch avoids it.
Signed-off-by: David Gibson <dwg@au1.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
David Gibson [Mon, 24 Oct 2005 03:07:23 +0000 (13:07 +1000)]
[PATCH] powerpc: Merge parport.h
Save for the header #define, ppc32 and ppc64 versions of parport.h are
identical. This patch merges them.
Signed-off-by: David Gibson <dwg@au1.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
David Gibson [Mon, 24 Oct 2005 01:41:33 +0000 (11:41 +1000)]
[PATCH] powerpc: Purge bootinfo.h
With ARCH=powerpc we assume the presence of a device tree, so we don't
require any support for the old bi_recs method of passing boot
parameters. Likewise, we've never needed it for ppc64, but we still
had an include/asm-ppc64/bootinfo.h from which nothing was used. This
patch removes that file, and all references to it in arch/ppc64 and
arch/powerpc. A related, unused variable 'boot_mem_size' is also
removed from setup_32.c. The bootinfo stuff remains in ARCH=ppc for
the time being.
Built and booted on Power5 (ARCH=ppc64 and ARCH=powerpc), built for
32-bit powermac (ARCH=powerpc and ARCH=ppc).
Signed-off-by: David Gibson <dwg@au1.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
David Gibson [Thu, 27 Oct 2005 06:27:25 +0000 (16:27 +1000)]
[PATCH] powerpc: Fix handling of fpscr on 64-bit
The recent merge of fpu.S broken the handling of fpscr for
ARCH=powerpc and CONFIG_PPC64=y. FP registers could be corrupted,
leading to strange random application crashes.
The confusion arises, because the thread_struct has (and requires) a
64-bit area to save the fpscr, because we use load/store double
instructions to get it in to/out of the FPU. However, only the low
32-bits are actually used, so we want to treat it as a 32-bit quantity
when manipulating its bits to avoid extra load/stores on 32-bit. This
patch replaces the current definition with a structure of two 32-bit
quantities (pad and val), to clarify things as much as is possible.
The 'val' field is used when manipulating bits, the structure itself
is used when obtaining the address for loading/unloading the value
from the FPU.
While we're at it, consolidate the 4 (!) almost identical versions of
cvt_fd() and cvt_df() (arch/ppc/kernel/misc.S,
arch/ppc64/kernel/misc.S, arch/powerpc/kernel/misc_32.S,
arch/powerpc/kernel/misc_64.S) into a single version in fpu.S. The
new version takes a pointer to thread_struct and applies the correct
offset itself, rather than a pointer to the fpscr field itself, again
to avoid confusion as to which is the correct field to use.
Finally, this patch makes ARCH=ppc64 also use the consolidated fpu.S
code, which it previously did not.
Built for G5 (ARCH=ppc64 and ARCH=powerpc), 32-bit powermac (ARCH=ppc
and ARCH=powerpc) and Walnut (ARCH=ppc, CONFIG_MATH_EMULATION=y).
Booted on G5 (ARCH=powerpc) and things which previously fell over no
longer do.
Signed-off-by: David Gibson <dwg@au1.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Thu, 27 Oct 2005 10:20:42 +0000 (20:20 +1000)]
[PATCH] ppc64: remove arch/ppc64/kernel/setup.c
and use setup_64.c from the merged tree instead. The only difference
between them was the code to set up the syscall maps.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Stephen Rothwell [Tue, 25 Oct 2005 06:59:03 +0000 (16:59 +1000)]
[PATCH] powerpc: merge scatterlist.h
This depends on the 64bit dma_addr_t patch.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Stephen Rothwell [Tue, 25 Oct 2005 06:56:43 +0000 (16:56 +1000)]
[PATCH] ppc64: make dma_addr_t 64 bits
There has been a need expressed for dma_addr_t to be 64 bits on PPC64.
This patch does that.
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Thu, 27 Oct 2005 06:45:29 +0000 (16:45 +1000)]
powerpc: undeprecate the old OF device tree accessors for now
The recent addition of __deprecated to the declarations for
find_devices etc. produces a whole pile of warnings from the
ppc32 code. Since those functions still work perfectly well on
ppc32, which doesn't have hotplug support for anything in the
OF device tree, and we don't have time to fix that code now,
remove the __deprecated markings for now.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Thu, 27 Oct 2005 01:08:31 +0000 (11:08 +1000)]
powerpc: Remove common stuff from setup_64.c
This should have been in commit
03501dab035ab7da5e1373f5e130cfd6346d3f21
but got missed by accident.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Oleg Nesterov [Wed, 26 Oct 2005 16:26:53 +0000 (20:26 +0400)]
[PATCH] Fix cpu timers expiration time
There's a silly off-by-one error in the code that updates the expiration
of posix CPU timers, causing them to not be properly updated when they
hit exactly on their expiration time (which should be the normal case).
This causes them to then fire immediately again, and only _then_ get
properly updated.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Linus Torvalds [Wed, 26 Oct 2005 21:02:49 +0000 (14:02 -0700)]
Merge master.kernel.org:/home/rmk/linux-2.6-serial
Linus Torvalds [Wed, 26 Oct 2005 21:01:57 +0000 (14:01 -0700)]
Merge master.kernel.org:/home/rmk/linux-2.6-arm
Linus Torvalds [Wed, 26 Oct 2005 18:23:06 +0000 (11:23 -0700)]
posix cpu timers: fix timer ordering
Pointed out by Oleg Nesterov, who has been walking over the code
forwards and backwards.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Ivan Kokshaysky [Wed, 26 Oct 2005 10:05:25 +0000 (11:05 +0100)]
[PATCH] fix radeon_cp_init_ring_buffer()
I've seen similar failure on alpha.
Obviously, someone forgot to convert sg->handle stuff for
PCI gart case.
Signed-off-by: Dave Airlie <airlied@linux.ie>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Andrew Morton [Wed, 26 Oct 2005 08:59:03 +0000 (01:59 -0700)]
[PATCH] svcsock timestamp fix
Convert nanoseconds to microseconds correctly.
Spotted by Steve Dickson <SteveD@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Peter Wainwright [Wed, 26 Oct 2005 08:59:02 +0000 (01:59 -0700)]
[PATCH] Fix HFS+ to free up the space when a file is deleted.
fsck_hfs reveals lots of temporary files accumulating in the hidden
directory "\000\000\000HFS+ Private Data". According to the HFS+
documentation these are files which are unlinked while in use. However,
there may be a bug in the Linux hfsplus implementation which causes this to
happen even when the files are not in use. It looks like the "opencnt"
field is never initialized as (I think) it should be in hfsplus_read_inode.
This means that a file can appear to be still in use when in fact it has
been closed. This patch seems to fix it for me.
Signed-off-by: Anton Altaparmakov <aia21@cantab.net>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Jeff Garzik [Wed, 26 Oct 2005 08:59:01 +0000 (01:59 -0700)]
[PATCH] kill massive wireless-related log spam
Although this message is having the intended effect of causing wireless
driver maintainers to upgrade their code, I never should have merged this
patch in its present form. Leading to tons of bug reports and unhappy
users.
Some wireless apps poll for statistics regularly, which leads to a printk()
every single time they ask for stats. That's a little bit _too_ much of a
reminder that the driver is using an old API.
Change this to printing out the message once, per kernel boot.
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Andrew Morton [Wed, 26 Oct 2005 08:59:01 +0000 (01:59 -0700)]
[PATCH] export cpu_online_map
With CONFIG_SMP=n:
*** Warning: "cpu_online_map" [drivers/firmware/dcdbas.ko] undefined!
due to set_cpus_allowed().
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Benjamin Herrenschmidt [Wed, 26 Oct 2005 08:59:00 +0000 (01:59 -0700)]
[PATCH] ppc64: Fix wrong register mapping in mpic driver
The mpic interrupt controller driver (used on G5 and early pSeries among
others) has a bug where it doesn't get the right virtual address for the
timer registers. It causes the driver to poke at the MMIO space of
whatever has been mapped just next to it (ouch !) when initializing and
causes boot failures on some IBM machines.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Magnus Damm [Wed, 26 Oct 2005 08:58:59 +0000 (01:58 -0700)]
[PATCH] NUMA: broken per cpu pageset counters
The NUMA counters in struct per_cpu_pageset (linux/mmzone.h) are never
cleared today. This works ok for CPU 0 on NUMA machines because
boot_pageset[] is already zero, but for other CPU:s this results in
uninitialized counters.
Signed-off-by: Magnus Damm <magnus@valinux.co.jp>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
NeilBrown [Wed, 26 Oct 2005 08:58:58 +0000 (01:58 -0700)]
[PATCH] md: make sure mdthreads will always respond to kthread_stop
There are still a couple of cases where md threads (the resync/recovery
thread) is not interruptible since the change to use kthreads. All places
there it tests "signal_pending", it should also test kthread_should_stop,
as with this patch.
Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Ian Campbell [Wed, 26 Oct 2005 14:04:21 +0000 (15:04 +0100)]
[ARM] 3032/1: sparse: complains about generic_fls() prototype in asm-arm/bitops.h
Patch from Ian Campbell
Sparse complains about the definition of generic_fls in asm-arm/bitops.h:
CHECK /home/icampbell/devel/kernel/2.6/arch/arm/mach-pxa/viper.c
include2/asm/bitops.h:350:34: error: marked inline, but without a definition
The definition is unnecessary since linux/bitops.h defines generic_fls before including asm/bitops.h and asm/bitops.h should not be included directly. There are still some places where asm/bitops.h is directly included, but I think that code should be fixed. I was a little wary of the patch for this reason but lubbock, mainstone and assabet all build OK and so do my in house boards...
ARM is the only arch with the generic_fls prototype in this way.
Signed-off-by: Ian Campbell <icampbell@arcom.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Paul Mackerras [Wed, 26 Oct 2005 12:54:17 +0000 (22:54 +1000)]
powerpc: 32-bit powermac needs the mpc106 code
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Wed, 26 Oct 2005 11:55:33 +0000 (21:55 +1000)]
powerpc: Fix incorrect timer register addresses in mpic.c
We were computing the wrong address for the MPIC timer registers,
so when we went to initialize them we would have been hitting some
unrelated ioremap... oops.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Wed, 26 Oct 2005 11:54:21 +0000 (21:54 +1000)]
powerpc32: Limit memory to lowmem if !CONFIG_HIGHMEM.
This trims off the extra unusable memory from the lmb structure,
so we don't try to use it.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Wed, 26 Oct 2005 11:53:19 +0000 (21:53 +1000)]
power: Update the multiple inclusion protection symbol on machdep.h
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Wed, 26 Oct 2005 11:52:53 +0000 (21:52 +1000)]
powerpc: Fixes to get the Longtrail CHRP a bit further
Talk about buggy firmware... the OF on the Longtrail returns 0
from the claim client service rather than -1 when the claim fails.
It also has no device_type on the /memory node and blows up if
the output buffer for package-to-path is too big.
This also fixes a bug with calling alloc_up with align == 0, where
we did _ALIGN_UP(alloc_bottom, 0) which will end up as 0.
Lastly, we now check the return value (in r3) from calling the
prom, and return -1 from call_prom if we get a negative value back.
That is supposed to indicate that the requested client service
doesn't exist.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Wed, 26 Oct 2005 11:45:56 +0000 (21:45 +1000)]
powerpc: Merge 32-bit CHRP support.
SMP still needs more work but UP gets as far as starting userspace
at least. This uses the 64-bit-style code for spinning up the cpus.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Wed, 26 Oct 2005 07:22:33 +0000 (17:22 +1000)]
powerpc: Don't limit pmac_get_rtc_time to return only positive values
If the machine's clock is set to a bogus value, this check resulted
in userland waiting effectively forever for the RTC value to change,
so remove the check.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Wed, 26 Oct 2005 07:19:06 +0000 (17:19 +1000)]
powerpc: Fix interrupt-tree parsing
The interrupt-tree parsing code wasn't offsetting interrupt numbers
by 16 on 32-bit platforms with an i8259 interrupt controller, and
it was confused about the encoding of interrupt sense and level
(which is different for i8259 and openpic interrupt controllers,
just to make things interesting).
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Wed, 26 Oct 2005 07:16:38 +0000 (17:16 +1000)]
powerpc: Pull out MPC106 (grackle) initialization code into its own file
This is so that the 32-bit CHRP code can use it. The MPC106
initialization code is now in arch/powerpc/sysdev/grackle.c and
is controlled by CONFIG_PPC_MPC106.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Wed, 26 Oct 2005 07:11:18 +0000 (17:11 +1000)]
powerpc: Pull common bits of setup_{32,64}.c into setup-common.c
This creates a new arch/powerpc/kernel/setup-common.c with various
bits that setup_32.c and setup_64.c had in common - functions like
machine_shutdown/restart/power_off, show_cpuinfo, set_preferred_console
etc.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Wed, 26 Oct 2005 07:05:24 +0000 (17:05 +1000)]
powerpc: Merge rtas.c into arch/powerpc/kernel
This splits arch/ppc64/kernel/rtas.c into arch/powerpc/kernel/rtas.c,
which contains generic RTAS functions useful on any CHRP platform,
and arch/powerpc/platforms/pseries/rtas-fw.[ch], which contain
some pSeries-specific firmware flashing bits. The parts of rtas.c
that are to do with pSeries-specific error logging are protected
by a new CONFIG_RTAS_ERROR_LOGGING symbol. The inclusion of rtas.o
is controlled by the CONFIG_PPC_RTAS symbol, and the relevant
platforms select that.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Wed, 26 Oct 2005 06:47:42 +0000 (16:47 +1000)]
powerpc: Merge i8259.c into arch/powerpc/sysdev
This changes the parameters for i8259_init so that it takes two
parameters: a physical address for generating an interrupt
acknowledge cycle, and an interrupt number offset. i8259_init
now sets the irq_desc[] for its interrupts; all the callers
were doing this, and that code is gone now. This also defines
a CONFIG_PPC_I8259 symbol to select i8259.o for inclusion, and
makes the platforms that need it select that symbol.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Paul Mackerras [Wed, 26 Oct 2005 06:36:55 +0000 (16:36 +1000)]
ppc: Use the indirect_pci.c from arch/powerpc/sysdev
This defines a CONFIG_INDIRECT_PCI symbol to control whether it
gets used or not, and fixes the Kconfig to select that symbol for
platforms that need it.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Michael Ellerman [Mon, 24 Oct 2005 05:07:30 +0000 (15:07 +1000)]
[PATCH] powerpc: Move ras.c into arch/powerpc/platforms/pseries
ras.o is only built for CONFIG_PPC_PSERIES, so move it into
arch/powerpc/platforms/pseries. Update Makefiles to suit.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Michael Ellerman [Mon, 24 Oct 2005 05:07:29 +0000 (15:07 +1000)]
[PATCH] powerpc: Move firmware.h into include/asm-powerpc
Move firmware.h into include/asm-powerpc.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Michael Ellerman [Mon, 24 Oct 2005 05:07:27 +0000 (15:07 +1000)]
[PATCH] powerpc: Remove trailing \n" in HMT macros
GCC 3.3.3 barfs on the trailing \n" in the HMT macros.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Michael Ellerman [Mon, 24 Oct 2005 05:07:26 +0000 (15:07 +1000)]
[PATCH] powerpc: Remove duplicate definition of set_tb()
Somewhere along the line we got two definitions of set_tb(). They look to
be identical although they're not textually identical. So remove the #ifdef
CONFIG_PPC64 version, leaving the common version in time.h.
Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Kumar Gala [Wed, 26 Oct 2005 04:57:33 +0000 (23:57 -0500)]
[PATCH] powerpc: Some minor cleanups to setup_32.c
* Removed of_show_percpuinfo and just report CPU frequency in generic
show_cpuinfo code.
* Killed OCP and PPC_SYS related code which doesn't belong in the
merge tree
Signed-off-by: Kumar K. Gala <kumar.gala@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Kumar Gala [Wed, 26 Oct 2005 04:02:59 +0000 (23:02 -0500)]
[PATCH] powerpc: Add support for Book-E timer config to generic_calibrate_decr
We need to initialize some control SPRS for timers on Book-E before
we start taking decrementer interrupts.
Signed-off-by: Kumar K. Gala <kumar.gala@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Becky Bruce [Mon, 24 Oct 2005 19:50:46 +0000 (14:50 -0500)]
[PATCH] ppc: Fix m82xx_pci build
A recent patch updated the name of pci_assign_all_busses to
pci_assign_all_buses. This instance of its use wasn't corrected
by the original patch to use the new name.
Builds cleanly on ads8272.
Signed-off-by: Becky Bruce <becky.bruce@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Becky Bruce [Fri, 21 Oct 2005 21:16:58 +0000 (16:16 -0500)]
[PATCH] powerpc: Fix types.h
Powerpc: Fix types.h
I noticed that Paul had already pulled the version of types.h that
is missing the config.h include into the merge tree - this patch adds
it back in.
Signed-off-by: Becky Bruce <becky.bruce@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Kumar Gala [Thu, 20 Oct 2005 16:44:46 +0000 (11:44 -0500)]
[PATCH] powerpc: merge include/asm-ppc*/checksum.h into include/asm-powerpc/checksum.h
Signed-off-by: Kumar Gala <kumar.gala@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Kumar Gala [Thu, 20 Oct 2005 16:44:03 +0000 (11:44 -0500)]
[PATCH] powerpc: some prom.c cleanups
On !CONFIG_PPC_MULTIPLATFORM _machine is defined as 0. This is ok, but
we can't assign a value to _machine then.
We may not have CONFIG_PCI available, so only build in support for
find_parent_pci_resource(), request_OF_resource(), release_OF_resource()
if PCI is enabled. This is probably not the long term fix but works out
for now.
Make reg_property64 contain 64-bit elements on a 32-bit machine.
Mark the deprecated prom.c functions as __deprecated.
Signed-off-by: Kumar K. Gala <kumar.gala@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Kumar Gala [Thu, 20 Oct 2005 16:43:33 +0000 (11:43 -0500)]
[PATCH] powerpc: Make sure we have an RTC before trying to adjust it
Its valid for ppc_md.set_rtc_time to be NULL. We need to check
that its non-NULL before trying to update the RTC.
Signed-off-by: Kumar K. Gala <kumar.gala@freescale.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Linus Torvalds [Wed, 26 Oct 2005 03:40:09 +0000 (20:40 -0700)]
PCI: be more verbose about resource quirks
When reserving an PCI quirk, note that in the kernel bootup messages.
Also, parse the strange PIIX4 device resources - they should get their
own PCI resource quirks, but for now just print out what it finds to
verify that the code does the right thing.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Jochen Friedrich [Sun, 23 Oct 2005 08:33:52 +0000 (10:33 +0200)]
[LLC]: Strip RIF flag from source MAC address
Signed-off-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Jochen Friedrich [Sun, 23 Oct 2005 08:31:45 +0000 (10:31 +0200)]
[TR]: Preserve RIF flag even for 2 byte RIF fields.
Signed-off-by: Jochen Friedrich <jochen@scram.de>
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Yan Zheng [Mon, 24 Oct 2005 11:55:23 +0000 (19:55 +0800)]
[IPV6]: Fix refcnt of struct ip6_flowlabel
Signed-off-by: Yan Zheng <yanzheng@21cn.com>
Acked-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
Andrew Morton [Tue, 25 Oct 2005 18:00:56 +0000 (11:00 -0700)]
[PATCH] qlogic lockup fix
If qla2x00_probe_one()'s call to qla2x00_iospace_config() fails, we call
qla2x00_free_device() to clean up. But because ha->dpc_pid hasn't been set
yet, qla2x00_free_device() tries to stop a kernel thread which hasn't started
yet. It does wait_for_completion() against an uninitialised completion struct
and the kernel hangs up.
Fix it by initialising ha->dpc_pid a bit earlier.
Cc: Andrew Vasquez <andrew.vasquez@qlogic.com>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Andrew Morton [Tue, 25 Oct 2005 06:05:58 +0000 (23:05 -0700)]
[PATCH] alpha: atomic dependency fix
My alpha build is exploding because asm/atomic.h now needs smb_mb(), which is
over in the (not included) system.h.
I fear what will happen if I include system.h into atomic.h, so let's put the
barriers into their own header file.
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>