OSDN Git Service
Linus Torvalds [Fri, 25 Apr 2008 19:33:49 +0000 (12:33 -0700)]
Merge git://git./linux/kernel/git/agk/linux-2.6-dm
* git://git.kernel.org/pub/scm/linux/kernel/git/agk/linux-2.6-dm: (24 commits)
dm crypt: add documentation
dm: remove md argument from specific_minor
dm table: remove unused dm_create_error_table
dm table: drop void suspend_targets return
dm: unplug queues in threads
dm raid1: use timer
dm: move include files
dm kcopyd: rename
dm: expose macros
dm kcopyd: remove redundant client counting
dm kcopyd: private mempool
dm kcopyd: per device
dm log: make module use tracking internal
dm log: move register functions
dm log: clean interface
dm kcopyd: clean interface
dm io: clean interface
dm io: rename error to error_bits
dm snapshot: store pointer to target instance
dm log: move dirty region log code into separate module
...
Linus Torvalds [Fri, 25 Apr 2008 19:32:10 +0000 (12:32 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/x86/linux-2.6-xen-next
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-xen-next: (52 commits)
xen: add balloon driver
xen: allow compilation with non-flat memory
xen: fold xen_sysexit into xen_iret
xen: allow set_pte_at on init_mm to be lockless
xen: disable preemption during tlb flush
xen pvfb: Para-virtual framebuffer, keyboard and pointer driver
xen: Add compatibility aliases for frontend drivers
xen: Module autoprobing support for frontend drivers
xen blkfront: Delay wait for block devices until after the disk is added
xen/blkfront: use bdget_disk
xen: Make xen-blkfront write its protocol ABI to xenstore
xen: import arch generic part of xencomm
xen: make grant table arch portable
xen: replace callers of alloc_vm_area()/free_vm_area() with xen_ prefixed one
xen: make include/xen/page.h portable moving those definitions under asm dir
xen: add resend_irq_on_evtchn() definition into events.c
Xen: make events.c portable for ia64/xen support
xen: move events.c to drivers/xen for IA64/Xen support
xen: move features.c from arch/x86/xen/features.c to drivers/xen
xen: add missing definitions in include/xen/interface/vcpu.h which ia64/xen needs
...
Linus Torvalds [Fri, 25 Apr 2008 19:29:55 +0000 (12:29 -0700)]
Merge git://git./linux/kernel/git/davem/sparc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
[SPARC64]: Wrap SMP IPIs with irq_enter()/irq_exit().
[SPARC64]: Fix args to 64-bit sys_semctl() via sys_ipc().
Linus Torvalds [Fri, 25 Apr 2008 19:28:28 +0000 (12:28 -0700)]
Merge git://git./linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (48 commits)
net: Fix wrong interpretation of some copy_to_user() results.
xfrm: alg_key_len & alg_icv_len should be unsigned
[netdrvr] tehuti: move ioctl perm check closer to function start
ipv6: Fix typo in net/ipv6/Kconfig
via-velocity: fix vlan receipt
tg3: sparse cleanup
forcedeth: realtek phy crossover detection
ibm_newemac: Increase MDIO timeouts
gianfar: Fix skb allocation strategy
netxen: reduce stack usage of netxen_nic_flash_print
smc911x: test after postfix decrement fails in smc911x_{reset,drop_pkt}
net drivers: fix platform driver hotplug/coldplug
forcedeth: new backoff implementation
ehea: make things static
phylib: Add support for board-level PHY fixups
[netdrvr] atlx: code movement: move atl1 parameter parsing
atlx: remove flash vendor parameter
korina: misc cleanup
korina: fix misplaced return statement
WAN: Fix confusing insmod error code for C101 too.
...
Matthew Wilcox [Fri, 25 Apr 2008 10:21:11 +0000 (04:21 -0600)]
Update .gitignore files
Add some autogenerated files to various .gitignore files
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Linus Torvalds [Fri, 25 Apr 2008 19:25:48 +0000 (12:25 -0700)]
Merge git://git.infradead.org/mtd-2.6
* git://git.infradead.org/mtd-2.6: (82 commits)
[MTD] m25p80: Add Support for ATMEL AT25DF641 64-Megabit SPI Flash
[MTD] m25p80: add FAST_READ access support to M25Pxx
[MTD] [NAND] bf5xx_nand: Avoid crash if bfin_mac is installed.
[MTD] [NAND] at91_nand: control NCE signal
[MTD] [NAND] AT91 hardware ECC compile fix for at91sam9263 / at91sam9260
[MTD] [NAND] Hardware ECC controller on at91sam9263 / at91sam9260
[JFFS2] Introduce dbg_readinode2 log level, use it to shut read_dnode() up
[JFFS2] Fix jffs2_reserve_space() when all blocks are pending erasure.
[JFFS2] Add erase_checking_list to hold blocks being marked.
UBI: add a message
[JFFS2] Return values of jffs2_block_check_erase error paths
[MTD] Clean up AR7 partition map support
[MTD] [NOR] Fix Intel CFI driver for collie flash
[JFFS2] Finally remove redundant ref->__totlen field.
[JFFS2] Honour TEST_TOTLEN macro in debugging code. ref->__totlen is going!
[JFFS2] Add paranoia debugging for superblock counts
[JFFS2] Fix free space leak with in-band cleanmarkers
[JFFS2] Self-sufficient #includes in jffs2_fs_i.h: include <linux/mutex.h>
[MTD] [NAND] Verify probe by retrying to checking the results match
[MTD] [NAND] S3C2410 Allow ECC disable to be specified by the board
...
Linus Torvalds [Fri, 25 Apr 2008 19:25:03 +0000 (12:25 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/mingo/linux-2.6-sched-fixes2
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched-fixes2:
sched: use alloc_bootmem() instead of alloc_bootmem_low()
Linus Torvalds [Fri, 25 Apr 2008 19:24:06 +0000 (12:24 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/ieee1394/linux1394-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
ieee1394: silence defined but not used warning in non-modular builds
ieee1394: rawiso: requeue packet for transmission after skipped cycle
Linus Torvalds [Fri, 25 Apr 2008 19:06:46 +0000 (12:06 -0700)]
Merge git://git./linux/kernel/git/sam/kbuild
* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild:
kbuild: fix depmod comment
kbuild: Add new Kbuild variable KBUILD_EXTRA_SYMBOLS
kbuild: support loading extra symbols in modpost
Add option to enable -Wframe-larger-than= on gcc 4.4
kbuild: add kconfig symbols to tags output
kbuild: fix some minor typoes
kbuild: error out on missing MODULE_LICENSE
Linus Torvalds [Fri, 25 Apr 2008 19:03:36 +0000 (12:03 -0700)]
Merge branch 'for-linus' of git://git./linux/kernel/git/mingo/linux-2.6-x86-fixes4
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-x86-fixes4:
x86: harden kernel code patching
x86: clean up text_poke()
x86: fix text_poke()
x86: remove set_fixmap() warning
x86: make __set_fixmap() non-init
x86: make clear_fixmap() available on 64-bit as well
Uwe Kleine-König [Wed, 5 Mar 2008 14:57:04 +0000 (15:57 +0100)]
kbuild: fix depmod comment
Signed-off-by: Uwe Kleine-König <Uwe.Kleine-Koenig@digi.com>
Cc: trivial@kernel.org
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Linus Torvalds [Fri, 25 Apr 2008 18:45:40 +0000 (11:45 -0700)]
Merge branch 'for-linus' of git://linux-nfs.org/~bfields/linux
* 'for-linus' of git://linux-nfs.org/~bfields/linux:
nfsd: don't allow setting ctime over v4
Update to NFS/RDMA documentation
locks: don't call ->copy_lock methods on return of conflicting locks
lockd: unlock lockd locks held for a certain filesystem
lockd: unlock lockd locks associated with a given server ip
leases: remove unneeded variable from fcntl_setlease().
leases: move lock allocation earlier in generic_setlease()
leases: when unlocking, skip locking-related steps
leases: fix a return-value mixup
Richard Hacker [Thu, 28 Feb 2008 08:40:58 +0000 (09:40 +0100)]
kbuild: Add new Kbuild variable KBUILD_EXTRA_SYMBOLS
This patch adds a new (Kbuild) Makefile variable KBUILD_EXTRA_SYMBOLS.
The space separated list of file names assigned to KBUILD_EXTRA_SYMBOLS
is used when calling scripts/mod/modpost during stage 2 of the Kbuild
process for non-kernel-tree modules.
Signed-off-by: Richard Hacker <lerichi@gmx.net>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Richard Hacker [Thu, 28 Feb 2008 08:40:52 +0000 (09:40 +0100)]
kbuild: support loading extra symbols in modpost
This patch adds a new command line option -E to modpost, expecting a symbol
file as an argument which is read prior to symbol processing. -E can be
supplied multiple times for as many files as is needed.
When building kernel modules that depend on other modules not in the main
kernel tree, modpost complains about undefined symbols:
# make -C /path/to/linux/kernel M=/path/to/my/module
...
Building modules, stage 2.
....
WARNING: "rt_copy_buf" [/home/rich/osc_etl_rtw/osc_kmod.ko] undefined!
...etc
This situation occurs when modpost processes the new module's symbols. When
it finds symbols not exported by the mainline kernel, it issues this warning.
The patch adds a new command line option -e to modpost which expects a symbol
file as an argument. The symbols listed in this file are added to modpost's
symbol tables during startup. -e can be supplied as often as required.
This patch works together with the second patch. It introduces a new make
variable, KBUILD_EXTRA_SYMBOLS, which is used when calling modpost.
Signed-off-by: Richard Hacker <lerichi@gmx.net>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Andi Kleen [Fri, 22 Feb 2008 14:15:03 +0000 (15:15 +0100)]
Add option to enable -Wframe-larger-than= on gcc 4.4
Add option to enable -Wframe-larger-than= on gcc 4.4
gcc mainline (upcoming 4.4) added a new -Wframe-larger-than=...
option to warn at build time about too large stack frames. Add a config
option to enable this warning, since this very useful for the kernel.
I choose (somewhat arbitarily) 2048 as default warning threshold for 64bit
and 1024 as default for 32bit architectures. With some research and
fixing all the code for smaller values these defaults should be probably
lowered.
With the default allyesconfigs have some new warnings, but I think
that is all code that should be just fixed.
At some point (when gcc 4.4 is released and widely used) this should
obsolete make checkstack
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Alexey Dobriyan [Fri, 22 Feb 2008 12:02:33 +0000 (15:02 +0300)]
kbuild: add kconfig symbols to tags output
Steps to reproduce:
vi -t NETFILTER
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Robert P. J. Day [Mon, 18 Feb 2008 09:48:20 +0000 (04:48 -0500)]
kbuild: fix some minor typoes
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Sam Ravnborg [Fri, 25 Apr 2008 18:13:30 +0000 (20:13 +0200)]
kbuild: error out on missing MODULE_LICENSE
Adrian Bunk suggested a build time check for
missing MODULE_LICENSE annotation in modules.
The build time check is fatal as we really
want this fixed for all modules.
In-tree modules should all have been fixed up by now.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Adrian Bunk <bunk@kernel.org>
Jonathan Corbet [Fri, 25 Apr 2008 17:56:37 +0000 (11:56 -0600)]
Document seq_path_root()
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Ingo Molnar [Fri, 25 Apr 2008 15:07:03 +0000 (17:07 +0200)]
x86: harden kernel code patching
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Mathieu Desnoyers [Thu, 24 Apr 2008 15:03:33 +0000 (11:03 -0400)]
x86: clean up text_poke()
Clean up the codepath, remove alignment restrictions and do sanity
checking of the end result, to make sure we patched the right site.
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Jiri Slaby [Mon, 28 Apr 2008 00:51:23 +0000 (02:51 +0200)]
x86: fix text_poke()
kernel_text_address returns true even for modules which is not wanted
in text_poke. Use core_kernel_text instead.
This is a regression introduced in
e587cadd8f47e202a30712e2906a65a0606d5865
which caused occasionaly crashes after suspend/resume.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
CC: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
CC: Andi Kleen <andi@firstfloor.org>
CC: pageexec@freemail.hu
CC: H. Peter Anvin <hpa@zytor.com>
CC: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Ingo Molnar [Fri, 25 Apr 2008 16:05:57 +0000 (18:05 +0200)]
x86: remove set_fixmap() warning
set_fixmap()+clear_fixmap() is safe.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Ingo Molnar [Fri, 25 Apr 2008 16:28:21 +0000 (18:28 +0200)]
x86: make __set_fixmap() non-init
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Ingo Molnar [Fri, 25 Apr 2008 16:25:25 +0000 (18:25 +0200)]
x86: make clear_fixmap() available on 64-bit as well
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Jonathan Corbet [Fri, 25 Apr 2008 17:23:56 +0000 (11:23 -0600)]
Various fixes to Documentation/HOWTO
Fix a number of things which have gone somewhat out-of-date over the last
few months.
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
J. Bruce Fields [Thu, 24 Apr 2008 20:59:30 +0000 (16:59 -0400)]
nfsd: don't allow setting ctime over v4
Presumably this is left over from earlier drafts of v4, which listed
TIME_METADATA as writeable. It's read-only in rfc 3530, and shouldn't
be modifiable anyway.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
James Lentini [Thu, 24 Apr 2008 19:57:43 +0000 (15:57 -0400)]
Update to NFS/RDMA documentation
Update to the NFS/RDMA documentation to clarify how to configure the
exports file.
Signed-off-by: James Lentini <jlentini@netapp.com>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
J. Bruce Fields [Thu, 24 Apr 2008 14:08:22 +0000 (10:08 -0400)]
locks: don't call ->copy_lock methods on return of conflicting locks
The file_lock structure is used both as a heavy-weight representation of
an active lock, with pointers to reference-counted structures, etc., and
as a simple container for parameters that describe a file lock.
The conflicting lock returned from __posix_lock_file is an example of
the latter; so don't call the filesystem or lock manager callbacks when
copying to it. This also saves the need for an unnecessary
locks_init_lock in the nfsv4 server.
Thanks to Trond for pointing out the error.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Cc: Trond Myklebust <Trond.Myklebust@netapp.com>
Wendy Cheng [Thu, 17 Jan 2008 16:10:12 +0000 (11:10 -0500)]
lockd: unlock lockd locks held for a certain filesystem
Add /proc/fs/nfsd/unlock_filesystem, which allows e.g.:
shell> echo /mnt/sfs1 > /proc/fs/nfsd/unlock_filesystem
so that a filesystem can be unmounted before allowing a peer nfsd to
take over nfs service for the filesystem.
Signed-off-by: S. Wendy Cheng <wcheng@redhat.com>
Cc: Lon Hohberger <lhh@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
fs/lockd/svcsubs.c | 66 +++++++++++++++++++++++++++++++++++++++-----
fs/nfsd/nfsctl.c | 65 +++++++++++++++++++++++++++++++++++++++++++
include/linux/lockd/lockd.h | 7 ++++
3 files changed, 131 insertions(+), 7 deletions(-)
Wendy Cheng [Thu, 17 Jan 2008 16:10:12 +0000 (11:10 -0500)]
lockd: unlock lockd locks associated with a given server ip
For high-availability NFS service, we generally need to be able to drop
file locks held on the exported filesystem before moving clients to a
new server. Currently the only way to do that is by shutting down lockd
entirely, which is often undesireable (for example, if you want to
continue exporting other filesystems).
This patch allows the administrator to release all locks held by clients
accessing the client through a given server ip address, by echoing that
address to a new file, /proc/fs/nfsd/unlock_ip, as in:
shell> echo 10.1.1.2 > /proc/fs/nfsd/unlock_ip
The expected sequence of events can be:
1. Tear down the IP address
2. Unexport the path
3. Write IP to /proc/fs/nfsd/unlock_ip to unlock files
4. Signal peer to begin take-over.
For now we only support IPv4 addresses and NFSv2/v3 (NFSv4 locks are not
affected).
Also, if unmounting the filesystem is required, we assume at step 3 that
clients using the given server ip are the only clients holding locks on
the given filesystem; otherwise, an additional patch is required to
allow revoking all locks held by lockd on a given filesystem.
Signed-off-by: S. Wendy Cheng <wcheng@redhat.com>
Cc: Lon Hohberger <lhh@redhat.com>
Cc: Christoph Hellwig <hch@lst.de>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
fs/lockd/svcsubs.c | 66 +++++++++++++++++++++++++++++++++++++++-----
fs/nfsd/nfsctl.c | 65 +++++++++++++++++++++++++++++++++++++++++++
include/linux/lockd/lockd.h | 7 ++++
3 files changed, 131 insertions(+), 7 deletions(-)
David M. Richter [Wed, 23 Apr 2008 20:29:02 +0000 (16:29 -0400)]
leases: remove unneeded variable from fcntl_setlease().
fcntl_setlease() has a struct dentry* that is used only once; this patch
removes it.
Signed-off-by: David M. Richter <richterd@citi.umich.edu>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
David M. Richter [Wed, 23 Apr 2008 20:29:01 +0000 (16:29 -0400)]
leases: move lock allocation earlier in generic_setlease()
In generic_setlease(), the struct file_lock is allocated after tests for the
presence of conflicting readers/writers is done, despite the fact that the
allocation might block; this patch moves the allocation earlier. A subsequent
set of patches will rely on this behavior to properly serialize between a
modified __break_lease() and generic_setlease().
Signed-off-by: David M. Richter <richterd@citi.umich.edu>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
David M. Richter [Wed, 23 Apr 2008 20:29:00 +0000 (16:29 -0400)]
leases: when unlocking, skip locking-related steps
In generic_setlease(), we don't need to allocate a new struct file_lock
or check for readers or writers when called with F_UNLCK.
Signed-off-by: David M. Richter <richterd@citi.umich.edu>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
David M. Richter [Wed, 23 Apr 2008 20:28:59 +0000 (16:28 -0400)]
leases: fix a return-value mixup
Fixes a return-value mixup from
85c59580b30c82aa771aa33b37217a6b6851bc14
"locks: Fix potential OOPS in generic_setlease()", in which -ENOMEM replaced
what had been intended to stay -EAGAIN in the variable "error".
Signed-off-by: David M. Richter <richterd@citi.umich.edu>
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Tony Breeds [Thu, 24 Apr 2008 07:02:04 +0000 (09:02 +0200)]
ieee1394: silence defined but not used warning in non-modular builds
Currently the kernel will issue the following warning:
drivers/ieee1394/raw1394.c:2938: warning: 'raw1394_id_table' defined but not used
Add #ifdef MODULE guards around the declaration.
Signed-off-by: Tony Breeds <tony@bakeyournoodle.com>
Ditto with dv1394_id_table and video1394_id_table.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Pieter Palmers [Wed, 19 Mar 2008 21:10:59 +0000 (22:10 +0100)]
ieee1394: rawiso: requeue packet for transmission after skipped cycle
As it seems, some host controllers have issues that can cause them to
skip cycles now and then when using large packets. I suspect that this
is due to DMA not succeeding in time. If the transmit fifo can't contain
more than one packet (big packets), the DMA should provide a new packet
each cycle (125us). I am under the impression that my current PCI
express test system can't guarantee this.
In any case, the patch tries to provide a workaround as follows:
The DMA program descriptors are modified such that when an error occurs,
the DMA engine retries the descriptor the next cycle instead of
stalling. This way no data is lost. The side effect of this is that
packets are sent with one cycle delay. This however might not be that
much of a problem for certain protocols (e.g. AM824). If they use
padding packets for e.g. rate matching they can drop one of those to
resync the streams.
The amount of skips between two userspace wakeups is counted. This
number is then propagated to userspace through the upper 16 bits of the
'dropped' parameter. This allows unmodified userspace applications due
to the following:
1) libraw simply passes this dropped parameter to the user application
2) the meaning of the dropped parameter is: if it's nonzero, something
bad has happened. The actual value of the parameter at this moment does
not have a specific meaning.
A libraw client can then retrieve the number of skipped cycles and
account for them if needed.
Signed-off-by: Pieter Palmers <pieterp@joow.be>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Milan Broz [Thu, 24 Apr 2008 21:11:03 +0000 (22:11 +0100)]
dm crypt: add documentation
Add description of dm-crypt to device-mapper documentation.
Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Frederik Deweerdt [Thu, 24 Apr 2008 21:10:59 +0000 (22:10 +0100)]
dm: remove md argument from specific_minor
The small patch below:
- Removes the unused md argument from both specific_minor() and next_free_minor()
- Folds kmalloc + memset(0) into a single kzalloc call in alloc_dev()
This has been compile tested on x86.
Signed-off-by: Frederik Deweerdt <frederik.deweerdt@gmail.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Adrian Bunk [Thu, 24 Apr 2008 21:10:56 +0000 (22:10 +0100)]
dm table: remove unused dm_create_error_table
dm_create_error_table() was added in kernel 2.6.18 and never used...
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Adrian Bunk [Thu, 24 Apr 2008 21:10:51 +0000 (22:10 +0100)]
dm table: drop void suspend_targets return
void returning functions returned the return value of another void
returning function...
Spotted by sparse.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Mikulas Patocka [Thu, 24 Apr 2008 21:10:47 +0000 (22:10 +0100)]
dm: unplug queues in threads
Remove an avoidable 3ms delay on some dm-raid1 and kcopyd I/O.
It is specified that any submitted bio without BIO_RW_SYNC flag may plug the
queue (i.e. block the requests from being dispatched to the physical device).
The queue is unplugged when the caller calls blk_unplug() function. Usually, the
sequence is that someone calls submit_bh to submit IO on a buffer. The IO plugs
the queue and waits (to be possibly joined with other adjacent bios). Then, when
the caller calls wait_on_buffer(), it unplugs the queue and submits the IOs to
the disk.
This was happenning:
When doing O_SYNC writes, function fsync_buffers_list() submits a list of
bios to dm_raid1, the bios are added to dm_raid1 write queue and kmirrord is
woken up.
fsync_buffers_list() calls wait_on_buffer(). That unplugs the queue, but
there are no bios on the device queue as they are still in the dm_raid1 queue.
wait_on_buffer() starts waiting until the IO is finished.
kmirrord is scheduled, kmirrord takes bios and submits them to the devices.
The submitted bio plugs the harddisk queue but there is no one to unplug it.
(The process that called wait_on_buffer() is already sleeping.)
So there is a 3ms timeout, after which the queues on the harddisks are
unplugged and requests are processed.
This 3ms timeout meant that in certain workloads (e.g. O_SYNC, 8kb writes),
dm-raid1 is 10 times slower than md raid1.
Every time we submit something asynchronously via dm_io, we must unplug the
queue actually to send the request to the device.
This patch adds an unplug call to kmirrord - while processing requests, it keeps
the queue plugged (so that adjacent bios can be merged); when it finishes
processing all the bios, it unplugs the queue to submit the bios.
It also fixes kcopyd which has the same potential problem. All kcopyd requests
are submitted with BIO_RW_SYNC.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Acked-by: Jens Axboe <jens.axboe@oracle.com>
Mikulas Patocka [Thu, 24 Apr 2008 21:10:42 +0000 (22:10 +0100)]
dm raid1: use timer
This patch replaces the schedule() in the main kmirrord thread with a timer.
The schedule() could introduce an unwanted delay when work is ready to be
processed.
The code instead calls wake() when there's work to be done immediately, and
delayed_wake() after a failure to give a short delay before retrying.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Alasdair G Kergon [Thu, 24 Apr 2008 21:02:01 +0000 (22:02 +0100)]
dm: move include files
Publish the dm-io, dm-log and dm-kcopyd headers in include/linux.
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Alasdair G Kergon [Thu, 24 Apr 2008 20:55:00 +0000 (21:55 +0100)]
dm kcopyd: rename
Rename kcopyd.[ch] to dm-kcopyd.[ch].
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Alasdair G Kergon [Thu, 24 Apr 2008 20:43:52 +0000 (21:43 +0100)]
dm: expose macros
Make dm.h macros and inlines available in include/linux/device-mapper.h
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Mikulas Patocka [Thu, 24 Apr 2008 20:43:49 +0000 (21:43 +0100)]
dm kcopyd: remove redundant client counting
Remove client counting code that is no longer needed.
Initialization and destruction is made globally from dm_init and dm_exit and is
not based on client counts. Initialization allocates only one empty slab cache,
so there is no negative impact from performing the initialization always,
regardless of whether some client uses kcopyd or not.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Mikulas Patocka [Thu, 24 Apr 2008 20:43:46 +0000 (21:43 +0100)]
dm kcopyd: private mempool
Change the global mempool in kcopyd into a per-device mempool to avoid
deadlock possibilities.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Mikulas Patocka [Thu, 24 Apr 2008 20:43:44 +0000 (21:43 +0100)]
dm kcopyd: per device
Make one kcopyd thread per device.
The original shared kcopyd could deadlock.
Configuration:
Jonathan Brassow [Thu, 24 Apr 2008 20:43:41 +0000 (21:43 +0100)]
dm log: make module use tracking internal
Remove internal module reference fields from the interface.
Signed-off-by: Jonathan Brassow <jbrassow@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Alasdair G Kergon [Thu, 24 Apr 2008 20:43:38 +0000 (21:43 +0100)]
dm log: move register functions
Reorder a couple of functions in the file so the next patch is readable.
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Heinz Mauelshagen [Thu, 24 Apr 2008 20:43:35 +0000 (21:43 +0100)]
dm log: clean interface
Clean up the dm-log interface to prepare for publishing it in include/linux.
Signed-off-by: Heinz Mauelshagen <hjm@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Heinz Mauelshagen [Thu, 24 Apr 2008 20:43:19 +0000 (21:43 +0100)]
dm kcopyd: clean interface
Clean up the kcopyd interface to prepare for publishing it in include/linux.
Signed-off-by: Heinz Mauelshagen <hjm@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Heinz Mauelshagen [Thu, 24 Apr 2008 20:43:17 +0000 (21:43 +0100)]
dm io: clean interface
Clean up the dm-io interface to prepare for publishing it in include/linux.
Signed-off-by: Heinz Mauelshagen <hjm@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Alasdair G Kergon [Thu, 24 Apr 2008 20:43:14 +0000 (21:43 +0100)]
dm io: rename error to error_bits
Rename 'error' to 'error_bits' for clarity.
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Mikulas Patocka [Thu, 24 Apr 2008 20:43:11 +0000 (21:43 +0100)]
dm snapshot: store pointer to target instance
Save pointer to dm_target in dm_snapshot structure.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Heinz Mauelshagen [Thu, 24 Apr 2008 20:43:09 +0000 (21:43 +0100)]
dm log: move dirty region log code into separate module
Move the dirty region log code into a separate module so
other targets can share the code.
Signed-off-by: Heinz Mauelshagen <hjm@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Heinz Mauelshagen [Thu, 24 Apr 2008 20:43:06 +0000 (21:43 +0100)]
dm log: generalise name in messages
Change dm-log.c messages from "mirror log" to "dirty region log" as
a new dm target wants to share this code.
Signed-off-by: Heinz Mauelshagen <hjm@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Robert P. J. Day [Thu, 24 Apr 2008 20:42:44 +0000 (21:42 +0100)]
dm raid1: use list_split_init
Use shorter list_splice_init() for brevity.
Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Milan Broz [Thu, 24 Apr 2008 20:42:36 +0000 (21:42 +0100)]
dm snapshot: reduce default memory allocation
Limit the amount of memory allocated per snapshot on systems
with a large page size. (The larger default chunk size on
these systems compensates for the smaller number of pages reserved.)
Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Mikulas Patocka [Thu, 24 Apr 2008 20:41:50 +0000 (21:41 +0100)]
dm snapshot: fix chunksize sector conversion
If a snapshot has a smaller chunksize than the page size the
conversion to pages currently returns 0 instead of 1, causing:
kernel BUG in mempool_resize.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Cc: stable@kernel.org
David S. Miller [Fri, 25 Apr 2008 10:11:37 +0000 (03:11 -0700)]
[SPARC64]: Wrap SMP IPIs with irq_enter()/irq_exit().
Otherwise all sorts of bad things can happen, including
spurious softlockup reports.
Other platforms have this same bug, in one form or
another, just don't see the issue because they
don't sleep as long as sparc64 can in NOHZ.
Thanks to some brilliant debugging by Peter Zijlstra.
Signed-off-by: David S. Miller <davem@davemloft.net>
David S. Miller [Fri, 25 Apr 2008 09:12:05 +0000 (02:12 -0700)]
[SPARC64]: Fix args to 64-bit sys_semctl() via sys_ipc().
Second and third arguments were swapped for whatever reason.
Reported by Tom Callaway.
Signed-off-by: David S. Miller <davem@davemloft.net>
Pavel Emelyanov [Fri, 25 Apr 2008 08:49:48 +0000 (01:49 -0700)]
net: Fix wrong interpretation of some copy_to_user() results.
I found some places, that erroneously return the value obtained from
the copy_to_user() call: if some amount of bytes were not able to get
to the user (this is what this one returns) the proper behavior is to
return the -EFAULT error, not that number itself.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Michael Hennerich [Fri, 25 Apr 2008 04:07:33 +0000 (12:07 +0800)]
[MTD] m25p80: Add Support for ATMEL AT25DF641 64-Megabit SPI Flash
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Bryan Wu [Fri, 25 Apr 2008 04:07:32 +0000 (12:07 +0800)]
[MTD] m25p80: add FAST_READ access support to M25Pxx
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Michael Hennerich [Fri, 25 Apr 2008 04:07:31 +0000 (12:07 +0800)]
[MTD] [NAND] bf5xx_nand: Avoid crash if bfin_mac is installed.
http://blackfin.uclinux.org/gf/project/uclinux-dist/tracker/?action=TrackerItemEdit&tracker_item_id=4053
Singed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Atsushi Nemoto [Thu, 24 Apr 2008 14:51:29 +0000 (23:51 +0900)]
[MTD] [NAND] at91_nand: control NCE signal
This driver did not control NCE signal during normal operations (only
enable NCE on probing and disable NCE on removing). This patch make
NCE signal inactive on idle state.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
David Miller [Fri, 25 Apr 2008 03:46:20 +0000 (20:46 -0700)]
sched: use alloc_bootmem() instead of alloc_bootmem_low()
There is no guarantee that there is physical ram below 4GB, and in
fact many boxes don't have exactly that.
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Richard Genoud [Fri, 25 Apr 2008 07:32:26 +0000 (09:32 +0200)]
[MTD] [NAND] AT91 hardware ECC compile fix for at91sam9263 / at91sam9260
The sam926x docs allegedly don't list an "ECC_PARITY" field, and the
header files in the upstream kernel don't have it either.
Masking with it was useless anyway, so just remove it.
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
David S. Miller [Fri, 25 Apr 2008 07:31:07 +0000 (00:31 -0700)]
Merge branch 'upstream-davem' of /linux/kernel/git/jgarzik/netdev-2.6
Eric Dumazet [Fri, 25 Apr 2008 07:29:00 +0000 (00:29 -0700)]
xfrm: alg_key_len & alg_icv_len should be unsigned
In commit
ba749ae98d5aa9d2ce9a7facde0deed454f92230 ([XFRM]: alg_key_len
should be unsigned to avoid integer divides
<http://git2.kernel.org/?p=linux/kernel/git/davem/net-2.6.git;a=commitdiff;h=
ba749ae98d5aa9d2ce9a7facde0deed454f92230>)
alg_key_len field of struct xfrm_algo was converted to unsigned int to
avoid integer divides.
Then Herbert in commit
1a6509d991225ad210de54c63314fd9542922095
([IPSEC]: Add support for combined mode algorithms) added a new
structure xfrm_algo_aead, that resurrected a signed int for alg_key_len
and re-introduce integer divides.
This patch avoids these divides and saves 64 bytes of text on i386.
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jeff Garzik [Fri, 25 Apr 2008 07:11:31 +0000 (03:11 -0400)]
[netdrvr] tehuti: move ioctl perm check closer to function start
Noticed by davem.
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Michael Beasley [Fri, 25 Apr 2008 06:50:30 +0000 (23:50 -0700)]
ipv6: Fix typo in net/ipv6/Kconfig
Two is used in the wrong context here, as you are connecting to an
IPv6 network over IPv4; not connecting two IPv6 networks to an IPv4
one.
Signed-off-by: Michael Beasley <youvegotmoxie@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Francois Romieu [Thu, 24 Apr 2008 21:32:33 +0000 (23:32 +0200)]
via-velocity: fix vlan receipt
- vlans were using a single CAM register (see mac_set_vlan_cam)
- setting the address filtering registers for vlans is not
needed when there is no vlan
The non-tagged interface is filtered out as soon as a tagged
(!= 0) interface is created. Its traffic appears again when an
zero-tagged interface is created.
Tested on Via Epia SN (VT6130 chipset) with several vlans whose
tag was above or beyond 255.
Signed-off-by: Séguier Régis <rseguier@e-teleport.net>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Eric Dumazet [Fri, 25 Apr 2008 06:33:06 +0000 (23:33 -0700)]
tg3: sparse cleanup
Fix the following sparse warning :
drivers/net/tg3.c:4025:3: warning: context imbalance in 'tg3_restart_hw'
- unexpected unlock
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Ayaz Abdulla [Wed, 23 Apr 2008 18:37:30 +0000 (14:37 -0400)]
forcedeth: realtek phy crossover detection
This patch fixes an issue seen with the realtek 8201 phy. This phy has a
problem with crossover detection and it needs to be disabled. The
problem only arises on certain switches. Therefore, a module parameter
has been added to allow enabling crossover detection if needed. The
default will be set to disabled.
Signed-off-by: Ayaz Abdulla <aabdulla@nvidia.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Benjamin Herrenschmidt [Wed, 23 Apr 2008 05:17:14 +0000 (15:17 +1000)]
ibm_newemac: Increase MDIO timeouts
This patch doubles the MDIO timeouts in EMAC as there are field
cases where they are two short to communicate with some PHYs.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Andy Fleming [Tue, 22 Apr 2008 22:18:29 +0000 (17:18 -0500)]
gianfar: Fix skb allocation strategy
gianfar was unable to handle failed skb allocation for rx buffers, so
we were spinning until it succeeded. Actually, it was worse--we were
spinning for a long time, and then silently failing. Instead, we take
Stephen Hemminger's suggestion to try the allocation earlier, and drop the
packet if it failed.
We also make a couple of tweaks to how buffer descriptors are set up.
Signed-off-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Harvey Harrison [Tue, 22 Apr 2008 18:48:35 +0000 (11:48 -0700)]
netxen: reduce stack usage of netxen_nic_flash_print
Don't need to keep a struct netxen_new_user_info on the stack
when we only are interested in printing the serial_num. Change
to only reading the serial_num.
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Roel Kluin [Fri, 18 Apr 2008 20:50:48 +0000 (13:50 -0700)]
smc911x: test after postfix decrement fails in smc911x_{reset,drop_pkt}
When timeout reaches 0 the postfix decrement still subtracts, so the test
fails.
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Roel Kluin <12o3l@tiscali.nl>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Kay Sievers [Fri, 18 Apr 2008 20:50:44 +0000 (13:50 -0700)]
net drivers: fix platform driver hotplug/coldplug
Since
43cc71eed1250755986da4c0f9898f9a635cb3bf, the platform modalias is
prefixed with "platform:". Add MODULE_ALIAS() to the hotpluggable network
platform drivers, to re-enable auto loading.
NOTE: didn't change drivers/net/fs_enet/fs_enet-main.c "old binding" support.
That looks problematic in the first place (it even uses the ancient "struct
device_driver" binding scheme for platform_bus!) and I suspect it will vanish
soonish when arch/powerpc rules the world. Also, drivers/net/ne.c would have
needed more thought to sort out.
[akpm@linux-foundation.org: fix sgiseeq.c]
[dbrownell@users.sourceforge.net: more drivers, registration fixes]
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Scott Wood <scottwood@freescale.com>
Cc: Vitaly Bordug <vitb@kernel.crashing.org>
Cc: Dale Farnsworth <dale@farnsworth.org>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Andrew Victor <andrew@sanpeople.com>
Cc: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Ayaz Abdulla [Fri, 18 Apr 2008 20:50:43 +0000 (13:50 -0700)]
forcedeth: new backoff implementation
This patch adds support for a new backoff algorithm for half duplex supported
in newer hardware. The old method is will be designated as legacy mode.
Re-seeding random values for the backoff algorithms are performed when a
transmit has failed due to a maximum retry count (1 to 15, where max is
considered the wraparound case of 0).
Signed-off-by: Ayaz Abdulla <aabdulla@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Andrew Morton [Fri, 18 Apr 2008 20:50:39 +0000 (13:50 -0700)]
ehea: make things static
ehea_flush_sq() and ehea_purge_sq() should be static.
Cc: Jeff Garzik <jeff@garzik.org>
Cc: Thomas Klein <osstklei@de.ibm.com>
Cc: Thomas Klein <tklein@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Andy Fleming [Fri, 18 Apr 2008 22:29:54 +0000 (17:29 -0500)]
phylib: Add support for board-level PHY fixups
Sometimes the specific interaction between the platform and the PHY
requires special handling. For instance, to change where the PHY's
clock input is, or to add a delay to account for latency issues in the
data path. We add a mechanism for registering a callback with the PHY
Lib to be called on matching PHYs when they are brought up, or reset.
Signed-off-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Chris Snook [Sat, 19 Apr 2008 01:51:53 +0000 (21:51 -0400)]
[netdrvr] atlx: code movement: move atl1 parameter parsing
Move some code from atlx.c to atl1.c to prevent build conflict with
the upcoming atl2 code. No changes, just movement.
Signed-off-by: Chris Snook <csnook@redhat.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Chris Snook [Sat, 19 Apr 2008 01:47:41 +0000 (21:47 -0400)]
atlx: remove flash vendor parameter
There's no good reason to manually set the flash vendor in a module
parameter, outside of an Atheros hardware lab. Remove it, so nobody
accidentally bricks their board using it incorrectly.
Signed-off-by: Chris Snook <csnook@redhat.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Francois Romieu [Sun, 20 Apr 2008 16:06:13 +0000 (18:06 +0200)]
korina: misc cleanup
- useless initialization (korina_ope / korina_restart)
- use a single variable for the status code in korina_probe
and propagate the error status code from below
- useless checks in korina_remove : the variables are
necessarily set when korina_probe succeeds
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Francois Romieu [Sun, 20 Apr 2008 16:05:31 +0000 (18:05 +0200)]
korina: fix misplaced return statement
The driver takes the error unwind path without condition.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Krzysztof Halasa [Sun, 20 Apr 2008 17:10:56 +0000 (19:10 +0200)]
WAN: Fix confusing insmod error code for C101 too.
Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Cédric Augonnet [Sun, 20 Apr 2008 17:15:51 +0000 (19:15 +0200)]
Removing dead code in drivers/net/wan/hdlc_fr.c
The local variable "prefix" is never used anymore, and the content of
this string appears a bit later, directly in a call to "alloc_netdev"
after doing exactly the same if/else test. So there seems to be no
point keeping those 4 lines anymore.
Signed-off-by: Cédric Augonnet <cedric.augonnet@ens-lyon.org>
Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Francois Romieu [Sun, 20 Apr 2008 17:32:34 +0000 (19:32 +0200)]
tehuti: check register size
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Grant Grundler [Mon, 21 Apr 2008 04:44:15 +0000 (22:44 -0600)]
[netdrvr] typhoon: typhoon_resume - remove call to start_queue
While trying to fix http://bugzilla.kernel.org/show_bug.cgi?id=8952
I looked at a few other drivers to figure out what drivers _should_
be doing for suspend/resume. I noticed typhoon driver is likely doing
more than it needs to. Patch below is untested since I don't have the HW.
Suspend/resume code across NIC drivers is fairly inconsistent.
And I couldn't find any documentation on what the canonical sequence
NICs need to do for suspend or resume. Is there any?
Barring contrary advice, I'm going model the tulip suspend/resume
fixes after tg3.c since a number of "modern" (< 5 years old) laptops
have that and I'm silly enough to assume it works.
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Valentine Barshak [Tue, 22 Apr 2008 00:46:48 +0000 (10:46 +1000)]
ibm_newemac: PowerPC 440EP/440GR EMAC PHY clock workaround
This patch adds ibm_newemac PHY clock workaround for 440EP/440GR EMAC
attached to a PHY which doesn't generate RX clock if there is no link.
The code is based on the previous ibm_emac driver stuff. The 440EP/440GR
allows controlling each EMAC clock separately as opposed to global clock
selection for 440GX.
BenH: Made that #ifdef CONFIG_PPC_DCR_NATIVE for now as dcri_* stuff doesn't
exist for MMIO type DCRs like Cell. Some future rework & improvements of the
DCR infrastructure will make that cleaner but for now, this makes it work.
Signed-off-by: Valentine Barshak <vbarshak@ru.mvista.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Valentine Barshak [Tue, 22 Apr 2008 00:46:46 +0000 (10:46 +1000)]
ibm_newemac: PowerPC 440GX EMAC PHY clock workaround
The PowerPC 440GX Taishan board fails to reset EMAC3 (reset timeout
error) if there's no link. Because of that it fails to find PHY
chip. The older ibm_emac driver had a workaround for that: the
EMAC_CLK_INTERNAL/EMAC_CLK_EXTERNAL macros, which toggle the Ethernet
Clock Select bit in the SDR0_MFR register. This patch does the same for
"ibm,emac-440gx" compatible chips. The workaround forces clock on -all-
EMACs, so we select clock under global emac_phy_map_lock.
BenH: Made that #ifdef CONFIG_PPC_DCR_NATIVE for now as dcri_* stuff
doesn't exist for MMIO type DCRs like Cell. Some future rework &
improvements of the DCR infrastructure will make that cleaner but
for now, this makes it work.
Signed-off-by: Valentine Barshak <vbarshak@ru.mvista.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Josh Boyer [Tue, 22 Apr 2008 00:46:44 +0000 (10:46 +1000)]
ibm_newemac Use status property for unused/unwired EMACs
Convert ibm_newemac to use the of_device_is_available function when checking
for unused/unwired EMACs. We leave the current check for an "unused" property
to maintain backwards compatibility for older device trees. Newer device
trees should simply use the standard "status" property in the EMAC node.
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Josh Boyer [Tue, 22 Apr 2008 00:46:43 +0000 (10:46 +1000)]
ibm_newemac: Fix section mismatch warnings
This patch fixes several section mismatch warnings in the
ibm_newemac driver similar to:
WARNING: vmlinux.o(.devinit.text+0x3a04): Section mismatch in reference from the function emac_probe() to the function .devexit.text:tah_detach()
The function __devinit emac_probe() references
a function __devexit tah_detach().
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Stefan Roese [Tue, 22 Apr 2008 00:46:42 +0000 (10:46 +1000)]
ibm_newemac: Add support for 460EX/GT-type MAL rx-channel handling
On some 4xx PPC's (e.g. 460EX/GT), the rx channel number is a multiple
of 8 (e.g. 8 for EMAC1, 16 for EMAC2), but enabling in MAL_RXCASR needs
the divided by 8 value for the bitmask.
Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Stefan Roese [Tue, 22 Apr 2008 00:46:42 +0000 (10:46 +1000)]
ibm_newemac: Fix problem with jumbo frame support and EMAC V4.patch
This fixes the jumbo frame support on EMAC V4 systems. Now the correct
bit is set depending on the EMAC version configured.
Tested on Kilauea (405EX) and Canyonlands (460EX).
Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Jesse Brandeburg [Wed, 23 Apr 2008 18:09:39 +0000 (11:09 -0700)]
e1000e: Increment version to 0.2.1
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>