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fastcall always expands to empty, remove it.
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This comment caused some consternation during fastcall removal. Make it
truthful.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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FASTCALL() is always expanded to empty, remove it.
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Commit d3d74453c34f8fd87674a8cf5b8a327c68f22e99 ("hrtimer: fixup the
HRTIMER_CB_IRQSAFE_NO_SOFTIRQ fallback") broke several archs, and since
only Russell bothered to merge the fix, and Greg to ACK his arch, I'm
sending this for merger.
I have confirmation that the Alpha bit results in a booting kernel.
That leaves: blackfin, frv, sh and sparc untested.
The deadlock in question was found by Russell:
IRQ handle
-> timer_tick() - xtime seqlock held for write
-> update_process_times()
-> run_local_timers()
-> hrtimer_run_queues()
-> hrtimer_get_softirq_time() - tries to get a read lock
Now, Thomas assures me the fix is trivial, only do_timer() needs to be
done under the xtime_lock, and update_process_times() can savely be
removed from under it.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Greg Ungerer <gerg@uclinux.org>
CC: Richard Henderson <rth@twiddle.net>
CC: Bryan Wu <bryan.wu@analog.com>
CC: David Howells <dhowells@redhat.com>
CC: Paul Mundt <lethal@linux-sh.org>
CC: William Irwin <wli@holomorphy.com>
Acked-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The raw_pci_read() interface (as the raw_pci_ops->read() before it)
unconditionally fills in a 32-bit integer return value regardless of the
size of the operation requested.
So claiming to take a "void *" is wrong, as is passing in a pointer to
just a byte variable.
Noticed by pageexec when enabling -fstack-protector (which needs other
patches too to actually work, but that's a separate issue).
Acked-by: Len Brown <len.brown@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix up parse error in FRV linker script, presumably introduced through changes
to the INIT_TEXT and EXIT_TEXT macros.
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched:
sched: rt-group: refure unrunnable tasks
sched: rt-group: clean up the ifdeffery
sched: rt-group: make rt groups scheduling configurable
sched: rt-group: interface
sched: rt-group: deal with PI
sched: fix incorrect irq lock usage in normalize_rt_tasks()
sched: fair-group: separate tg->shares from task_group_lock
hrtimer: more hrtimer_init_sleeper() fallout.
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* git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86:
x86: pit_clockevent can be static
x86: EFI runtime code mapping enhancement
x86: EFI: fix use of unitialized variable and the cache logic
x86: CPA: fix gbpages support in try_preserve_large_page
xen: unpin initial Xen pagetable once we're finished with it
x86/early_ioremap: don't assume we're using swapper_pg_dir
x86: fixup machine_ops reboot_{32|64}.c unification fallout
x86: fix sigcontext.h user export
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writel(sock + ...) that should've been writel(sock->addr + ...)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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test_and_set_bit() on address of uint32_t is a Bad Idea(tm)...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: Carlos Corbacho <carlos@strangeworlds.co.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix compilation warning in gdth.c, which was using the deprecated
pci_find_device.
drivers/scsi/gdth.c:645: warning: 'pci_find_device' is deprecated (declared at include/linux/pci.h:495)
Changing it to use pci_get_device, instead.
Signed-off-by: Sergio Luis <sergio@larces.uece.br>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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The patch: "gdth: switch to modern scsi host registration"
missed one simple fact when moving a way from scsi_module.c.
That is to call scsi_scan_host() on the probed host.
With this the gdth driver from 2.6.24 is again able to
see drives and boot.
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Tested-by: Joerg Dorchain <joerg@dorchain.net>
Tested-by: Stefan Priebe <s.priebe@allied-internet.ag>
Tested-by: Jon Chelton <jchelton@ffpglobal.com>
Cc: Stable Tree <stable@kernel.org>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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arch/x86/kernel/i8253.c:98:27: warning: symbol 'pit_clockevent' was not declared. Should it be static?
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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This patch enhances EFI runtime code memory mapping as following:
- Move __supported_pte_mask & _PAGE_NX checking before invoking
runtime_code_page_mkexec(). This makes it possible for compiler to
eliminate runtime_code_page_mkexec() on machine without NX support.
- Use set_memory_x/nx in early_mapping_set_exec(). This eliminates the
duplicated implementation.
This patch has been tested on Intel x86_64 platform with EFI64/32
firmware.
Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Andi Kleen pointed out that the cache attribute logic is reverse in
efi_enter_virtual_mode(). This problem alone is harmless as we do not
(yet) do cache attribute conflict resolution. (This bug was not present
in the original EFI submission - I introduced it while fixing up rejects.)
While reviewing this code I noticed a second, worse problem: the use of
uninitialized md->virt_addr.
Fix both problems.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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[ mingo@elte.hu: while gbpages cannot be enabled on mainline currently,
keep the code uptodate and this fix is easy enough. ]
Use correct page sizes and masks for GB pages in try_preserve_large_page()
This prevents a boot hang on a GB capable system with CONFIG_DIRECT_GBPAGES
enabled.
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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Unpin the Xen-provided pagetable once we've finished with it, so it
doesn't cause stray references which cause later swapper_pg_dir
pagetable updates to fail.
Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Tested-by: Jody Belka <knew-linux@pimb.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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At the early stages of boot, before the kernel pagetable has been
fully initialized, a Xen kernel will still be running off the
Xen-provided pagetables rather than swapper_pg_dir[]. Therefore,
readback cr3 to determine the base of the pagetable rather than
assuming swapper_pg_dir[].
Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Tested-by: Jody Belka <knew-linux@pimb.org>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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When reboot_32.c and reboot_64.c were unified (commit 4d022e35fd...),
the machine_ops code was broken, leading to xen pvops kernels failing
to properly halt/poweroff/reboot etc. This fixes that up.
Signed-off-by: Jody Belka <knew-linux@pimb.org>
Cc: Miguel Boton <mboton@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Jakub Jelinek reported that some user-space code that relies on
kernel headers has built dependency on the sigcontext->eip/rip
register names - which have been unified in commit:
commit 742fa54a62be6a263df14a553bf832724471dfbe
Author: H. Peter Anvin <hpa@zytor.com>
Date: Wed Jan 30 13:30:56 2008 +0100
x86: use generic register names in struct sigcontext
so give the old layout to user-space. This is not particularly
pretty, but it's an ABI so there's no danger of the two definitions
getting out of sync.
Reported-by: Jakub Jelinek <jakub@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Refuse to accept or create RT tasks in groups that can't run them.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Clean up some of the excessive ifdeffery introduces in the last patch.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Make the rt group scheduler compile time configurable.
Keep it experimental for now.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Change the rt_ratio interface to rt_runtime_us, to match rt_period_us.
This avoids picking a granularity for the ratio.
Extend the /sys/kernel/uids/<uid>/ interface to allow setting
the group's rt_runtime.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Steven mentioned the fun case where a lock holding task will be throttled.
Simple fix: allow groups that have boosted tasks to run anyway.
If a runnable task in a throttled group gets boosted the dequeue/enqueue
done by rt_mutex_setprio() is enough to unthrottle the group.
This is ofcourse not quite correct. Two possible ways forward are:
- second prio array for boosted tasks
- boost to a prio ceiling (this would also work for deadline scheduling)
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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lockdep spotted this bogus irq locking. normalize_rt_tasks() can be called
from hardirq context through sysrq-n
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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On Mon, 2008-02-11 at 15:09 +0300, Denis V. Lunev wrote:
> BUG: sleeping function called from invalid context
> at /home/den/src/linux-netns26/kernel/mutex.c:209
> in_atomic():1, irqs_disabled():0
> no locks held by swapper/0.
> Pid: 0, comm: swapper Not tainted 2.6.24 #304
>
> Call Trace:
> <IRQ> [<ffffffff80252d1e>] ? __debug_show_held_locks+0x15/0x27
> [<ffffffff8022c2a8>] __might_sleep+0xc0/0xdf
> [<ffffffff8049f1df>] mutex_lock_nested+0x28/0x2a9
> [<ffffffff80231294>] sched_destroy_group+0x18/0xea
> [<ffffffff8023e835>] sched_destroy_user+0xd/0xf
> [<ffffffff8023e8c1>] free_uid+0x8a/0xab
> [<ffffffff80233e24>] __put_task_struct+0x3f/0xd3
> [<ffffffff80236708>] delayed_put_task_struct+0x23/0x25
> [<ffffffff8026fda7>] __rcu_process_callbacks+0x8d/0x215
> [<ffffffff8026ff52>] rcu_process_callbacks+0x23/0x44
> [<ffffffff8023a2ae>] __do_softirq+0x79/0xf8
> [<ffffffff8020f8c3>] ? profile_pc+0x2a/0x67
> [<ffffffff8020d38c>] call_softirq+0x1c/0x30
> [<ffffffff8020f689>] do_softirq+0x61/0x9c
> [<ffffffff8023a233>] irq_exit+0x51/0x53
> [<ffffffff8021bd1a>] smp_apic_timer_interrupt+0x77/0xad
> [<ffffffff8020ce3b>] apic_timer_interrupt+0x6b/0x70
> <EOI> [<ffffffff8020b0dd>] ? default_idle+0x43/0x76
> [<ffffffff8020b0db>] ? default_idle+0x41/0x76
> [<ffffffff8020b09a>] ? default_idle+0x0/0x76
> [<ffffffff8020b186>] ? cpu_idle+0x76/0x98
separate the tg->shares protection from the task_group lock.
Reported-by: Denis V. Lunev <den@openvz.org>
Tested-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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Missed an instance...
futex_lock_pi()
hrtimer_init_sleeper()
rt_mutex_timed_lock()
rt_mutex_timed_fastlock()
rt_mutex_slowlock()
hrtimer_start()
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
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The USEC_TO_HZ and HZ_TO_USEC constant sets were mislabelled, with
seriously incorrect results. This among other things manifested
itself as cpufreq not working when a tickless kernel was configured.
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Tested-by: Carlos R. Mafra <crmafra@ift.unesp.br>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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It looks like there's been a bug in the module parameter setup forever.
The upshot doesn't really matter, because even if no parameters are ever
set, we just call sym53c416_setup() three times, but the zero values in
the arrays eventually cause nothing to happen. Unfortunately gcc has
started to notice this now too:
drivers/scsi/sym53c416.c: In function 'sym53c416_detect':
drivers/scsi/sym53c416.c:624: warning: the address of 'sym53c416' will always evaluate as 'true'
drivers/scsi/sym53c416.c:630: warning: the address of 'sym53c416_1' will always evaluate as 'true'
drivers/scsi/sym53c416.c:636: warning: the address of 'sym53c416_2' will always evaluate as 'true'
drivers/scsi/sym53c416.c:642: warning: the address of 'sym53c416_3' will always evaluate as 'true'
So fix this longstanding bug to keep gcc quiet.
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Even if we don't want to register the WMI driver, we should initialize
the wmi_blocks list to be empty, since we don't want the wmi helper
functions to oops just because that basic list has not even been set up.
With this, "find_guid()" will happily return "not found" rather than
oopsing all over the place, and the callers will then just automatically
return false or AE_NOT_FOUND as appropriate.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The makefile magic for installing the 32-bit vdso images on disk had a
little error. A single-line change would fix that bug, but this does a
little more to reduce the error-prone duplication of this bit of
makefile variable magic.
Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Kosaki Motohito noted that "numactl --interleave=all ..." failed in the
presence of memoryless nodes. This patch attempts to fix that problem.
Some background:
numactl --interleave=all calls set_mempolicy(2) with a fully populated
[out to MAXNUMNODES] nodemask. set_mempolicy() [in do_set_mempolicy()]
calls contextualize_policy() which requires that the nodemask be a
subset of the current task's mems_allowed; else EINVAL will be returned.
A task's mems_allowed will always be a subset of node_states[N_HIGH_MEMORY]
i.e., nodes with memory. So, a fully populated nodemask will be
declared invalid if it includes memoryless nodes.
NOTE: the same thing will occur when running in a cpuset
with restricted mem_allowed--for the same reason:
node mask contains dis-allowed nodes.
mbind(2), on the other hand, just masks off any nodes in the nodemask
that are not included in the caller's mems_allowed.
In each case [mbind() and set_mempolicy()], mpol_check_policy() will
complain [again, resulting in EINVAL] if the nodemask contains any
memoryless nodes. This is somewhat redundant as mpol_new() will remove
memoryless nodes for interleave policy, as will bind_zonelist()--called
by mpol_new() for BIND policy.
Proposed fix:
1) modify contextualize_policy logic to:
a) remember whether the incoming node mask is empty.
b) if not, restrict the nodemask to allowed nodes, as is
currently done in-line for mbind(). This guarantees
that the resulting mask includes only nodes with memory.
NOTE: this is a [benign, IMO] change in behavior for
set_mempolicy(). Dis-allowed nodes will be
silently ignored, rather than returning an error.
c) fold this code into mpol_check_policy(), replace 2 calls to
contextualize_policy() to call mpol_check_policy() directly
and remove contextualize_policy().
2) In existing mpol_check_policy() logic, after "contextualization":
a) MPOL_DEFAULT: require that in coming mask "was_empty"
b) MPOL_{BIND|INTERLEAVE}: require that contextualized nodemask
contains at least one node.
c) add a case for MPOL_PREFERRED: if in coming was not empty
and resulting mask IS empty, user specified invalid nodes.
Return EINVAL.
c) remove the now redundant check for memoryless nodes
3) remove the now redundant masking of policy nodes for interleave
policy from mpol_new().
4) Now that mpol_check_policy() contextualizes the nodemask, remove
the in-line nodes_and() from sys_mbind(). I believe that this
restores mbind() to the behavior before the memoryless-nodes
patch series. E.g., we'll no longer treat an invalid nodemask
with MPOL_PREFERRED as local allocation.
[ Patch history:
v1 -> v2:
- Communicate whether or not incoming node mask was empty to
mpol_check_policy() for better error checking.
- As suggested by David Rientjes, remove the now unused
cpuset_nodes_subset_current_mems_allowed() from cpuset.h
v2 -> v3:
- As suggested by Kosaki Motohito, fold the "contextualization"
of policy nodemask into mpol_check_policy(). Looks a little
cleaner. ]
Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Tested-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6:
[IA64] Fix build for sim_defconfig
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So I spent a while pounding my head against my monitor trying to figure
out the vmsplice() vulnerability - how could a failure to check for
*read* access turn into a root exploit? It turns out that it's a buffer
overflow problem which is made easy by the way get_user_pages() is
coded.
In particular, "len" is a signed int, and it is only checked at the
*end* of a do {} while() loop. So, if it is passed in as zero, the loop
will execute once and decrement len to -1. At that point, the loop will
proceed until the next invalid address is found; in the process, it will
likely overflow the pages array passed in to get_user_pages().
I think that, if get_user_pages() has been asked to grab zero pages,
that's what it should do. Thus this patch; it is, among other things,
enough to block the (already fixed) root exploit and any others which
might be lurking in similar code. I also think that the number of pages
should be unsigned, but changing the prototype of this function probably
requires some more careful review.
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
mlx4_core: Fix build break (missing include)
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Matt is already the maintainer of SLOB which is one of the "SLAB" allocators in
the kernel so add him to MAINTAINERS.
Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
sata_mv: platform driver allocs dma without create
pata_ninja32: setup changes
pata_legacy: typo fix
pata_amd: Note in the module description it handles Nvidia
sata_mv: fix loop with last port
libata: ignore deverr on SETXFER if mode is configured
pata_via: fix SATA cable detection on cx700
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This avoids warnings with unreferenced variables in the !NUMA case.
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Update lpfc driver version to 8.2.5
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Fix buffer leaks:
- HBQ dma buffer leak at dma_pool_destroy when unloading driver
- Fix missing buffer free in slow ring buffer handling
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Miscellaneous discovery fixes:
- Flush RSCN buffers on vports when reseting HBA.
- Fix incorrect FLOGI after vport reg failed
- Fix a potential fabric ELS race condition
- Fix handling of failed PLOGI command under high lip rates
- Fix FDISC handling
- Fix debug logging for npiv handling
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Miscellaneous fixes:
- Fix ERRATT flag which was overlapping
- Allow RESTART mbx commands through when stopped.
- Accept incoming PLOGI when connected to an N_Port.
- Fix NPort to NPort pt2pt problems: ADISC and reg_vpi issues
- Fix vport unloading error that erroneously cleaned up RSCN buffers
- Fix memory leak during repeated unloads - in mbox handling
- Fix link bounce vs FLOGI race conditions
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Correct ndlp referencing issues:
- Fix ndlp kref issues due to race conditions between threads
- Fix cancel els delay retry event which missed an ndlp reference count
Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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Commit 313abe55 ("mlx4_core: For 64-bit systems, vmap() kernel queue
buffers") caused this to pop up on powerpc allyesconfig, looks like a
missing include file:
drivers/net/mlx4/alloc.c: In function 'mlx4_buf_alloc':
drivers/net/mlx4/alloc.c:162: error: implicit declaration of function 'vmap'
drivers/net/mlx4/alloc.c:162: error: 'VM_MAP' undeclared (first use in this function)
drivers/net/mlx4/alloc.c:162: error: (Each undeclared identifier is reported only once
drivers/net/mlx4/alloc.c:162: error: for each function it appears in.)
drivers/net/mlx4/alloc.c:162: warning: assignment makes pointer from integer without a cast
drivers/net/mlx4/alloc.c: In function 'mlx4_buf_free':
drivers/net/mlx4/alloc.c:187: error: implicit declaration of function 'vunmap'
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Commit bdc807871d58285737d50dc6163d0feb72cb0dc2 broke the build
for this config because the sim_defconfig selects CONFIG_HZ=250
but include/asm-ia64/param.h has an ifdef for the simulator to
force HZ to 32. So we ended up with a kernel/timeconst.h set
for HZ=250 ... which then failed the check for the right HZ
value and died with:
Drop the #ifdef magic from param.h and make force CONFIG_HZ=32
directly for the simulator.
Signed-off-by: Tony Luck <tony.luck@intel.com>
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Since the sg chaining patches went in, our current value of 255 for
SG_ALL excites chaining on some drivers which cannot support it (and
would thus oops). Redefine SG_ALL to mean no sg table size
preference, but use the single allocation (non chained) limit. This
also helps for drivers that use it to size an internal table.
We'll do an opt in system later where truly chaining supporting
drivers can define their sg_tablesize to be anything up to
SCSI_MAX_SG_CHAIN_ELEMENTS.
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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include/scsi/scsi.h as a definition:
#define ABORT_TASK 0x0d
on the other hand drivers/scsi/aic94xx/aic94xx_sas.h has:
#define ABORT_TASK 0x03
rename the latter to SCB_ABORT_TASK
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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