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d8a8e1f0da
340377 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Kirill A. Shutemov
|
d8a8e1f0da |
thp, vmstat: implement HZP_ALLOC and HZP_ALLOC_FAILED events
hzp_alloc is incremented every time a huge zero page is successfully allocated. It includes allocations which where dropped due race with other allocation. Note, it doesn't count every map of the huge zero page, only its allocation. hzp_alloc_failed is incremented if kernel fails to allocate huge zero page and falls back to using small pages. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: "H. Peter Anvin" <hpa@linux.intel.com> Cc: Mel Gorman <mel@csn.ul.ie> Cc: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Kirill A. Shutemov
|
97ae17497e |
thp: implement refcounting for huge zero page
H. Peter Anvin doesn't like huge zero page which sticks in memory forever
after the first allocation. Here's implementation of lockless refcounting
for huge zero page.
We have two basic primitives: {get,put}_huge_zero_page(). They
manipulate reference counter.
If counter is 0, get_huge_zero_page() allocates a new huge page and takes
two references: one for caller and one for shrinker. We free the page
only in shrinker callback if counter is 1 (only shrinker has the
reference).
put_huge_zero_page() only decrements counter. Counter is never zero in
put_huge_zero_page() since shrinker holds on reference.
Freeing huge zero page in shrinker callback helps to avoid frequent
allocate-free.
Refcounting has cost. On 4 socket machine I observe ~1% slowdown on
parallel (40 processes) read page faulting comparing to lazy huge page
allocation. I think it's pretty reasonable for synthetic benchmark.
[lliubbo@gmail.com: fix mismerge]
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: "H. Peter Anvin" <hpa@linux.intel.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Cc: David Rientjes <rientjes@google.com>
Signed-off-by: Bob Liu <lliubbo@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Kirill A. Shutemov
|
78ca0e6792 |
thp: lazy huge zero page allocation
Instead of allocating huge zero page on hugepage_init() we can postpone it until first huge zero page map. It saves memory if THP is not in use. cmpxchg() is used to avoid race on huge_zero_pfn initialization. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: "H. Peter Anvin" <hpa@linux.intel.com> Cc: Mel Gorman <mel@csn.ul.ie> Cc: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Kirill A. Shutemov
|
80371957f0 |
thp: setup huge zero page on non-write page fault
All code paths seems covered. Now we can map huge zero page on read page fault. We setup it in do_huge_pmd_anonymous_page() if area around fault address is suitable for THP and we've got read page fault. If we fail to setup huge zero page (ENOMEM) we fallback to handle_pte_fault() as we normally do in THP. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: "H. Peter Anvin" <hpa@linux.intel.com> Cc: Mel Gorman <mel@csn.ul.ie> Cc: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Kirill A. Shutemov
|
c5a647d09f |
thp: implement splitting pmd for huge zero page
We can't split huge zero page itself (and it's bug if we try), but we can split the pmd which points to it. On splitting the pmd we create a table with all ptes set to normal zero page. [akpm@linux-foundation.org: fix build error] Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: "H. Peter Anvin" <hpa@linux.intel.com> Cc: Mel Gorman <mel@csn.ul.ie> Cc: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Kirill A. Shutemov
|
e180377f1a |
thp: change split_huge_page_pmd() interface
Pass vma instead of mm and add address parameter. In most cases we already have vma on the stack. We provides split_huge_page_pmd_mm() for few cases when we have mm, but not vma. This change is preparation to huge zero pmd splitting implementation. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: "H. Peter Anvin" <hpa@linux.intel.com> Cc: Mel Gorman <mel@csn.ul.ie> Cc: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Kirill A. Shutemov
|
cad7f613c4 |
thp: change_huge_pmd(): make sure we don't try to make a page writable
mprotect core never tries to make page writable using change_huge_pmd(). Let's add an assert that the assumption is true. It's important to be sure we will not make huge zero page writable. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: "H. Peter Anvin" <hpa@linux.intel.com> Cc: Mel Gorman <mel@csn.ul.ie> Cc: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Kirill A. Shutemov
|
93b4796ded |
thp: do_huge_pmd_wp_page(): handle huge zero page
On write access to huge zero page we alloc a new huge page and clear it. If ENOMEM, graceful fallback: we create a new pmd table and set pte around fault address to newly allocated normal (4k) page. All other ptes in the pmd set to normal zero page. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: "H. Peter Anvin" <hpa@linux.intel.com> Cc: Mel Gorman <mel@csn.ul.ie> Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Kirill A. Shutemov
|
fc9fe822f7 |
thp: copy_huge_pmd(): copy huge zero page
It's easy to copy huge zero page. Just set destination pmd to huge zero page. It's safe to copy huge zero page since we have none yet :-p [rientjes@google.com: fix comment] Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: "H. Peter Anvin" <hpa@linux.intel.com> Cc: Mel Gorman <mel@csn.ul.ie> Signed-off-by: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Kirill A. Shutemov
|
479f0abbfd |
thp: zap_huge_pmd(): zap huge zero pmd
We don't have a mapped page to zap in huge zero page case. Let's just clear pmd and remove it from tlb. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Cc: Andrea Arcangeli <aarcange@redhat.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: "H. Peter Anvin" <hpa@linux.intel.com> Cc: Mel Gorman <mel@csn.ul.ie> Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Kirill A. Shutemov
|
4a6c129726 |
thp: huge zero page: basic preparation
During testing I noticed big (up to 2.5 times) memory consumption overhead
on some workloads (e.g. ft.A from NPB) if THP is enabled.
The main reason for that big difference is lacking zero page in THP case.
We have to allocate a real page on read page fault.
A program to demonstrate the issue:
#include <assert.h>
#include <stdlib.h>
#include <unistd.h>
#define MB 1024*1024
int main(int argc, char **argv)
{
char *p;
int i;
posix_memalign((void **)&p, 2 * MB, 200 * MB);
for (i = 0; i < 200 * MB; i+= 4096)
assert(p[i] == 0);
pause();
return 0;
}
With thp-never RSS is about 400k, but with thp-always it's 200M. After
the patcheset thp-always RSS is 400k too.
Design overview.
Huge zero page (hzp) is a non-movable huge page (2M on x86-64) filled with
zeros. The way how we allocate it changes in the patchset:
- [01/10] simplest way: hzp allocated on boot time in hugepage_init();
- [09/10] lazy allocation on first use;
- [10/10] lockless refcounting + shrinker-reclaimable hzp;
We setup it in do_huge_pmd_anonymous_page() if area around fault address
is suitable for THP and we've got read page fault. If we fail to setup
hzp (ENOMEM) we fallback to handle_pte_fault() as we normally do in THP.
On wp fault to hzp we allocate real memory for the huge page and clear it.
If ENOMEM, graceful fallback: we create a new pmd table and set pte
around fault address to newly allocated normal (4k) page. All other ptes
in the pmd set to normal zero page.
We cannot split hzp (and it's bug if we try), but we can split the pmd
which points to it. On splitting the pmd we create a table with all ptes
set to normal zero page.
===
By hpa's request I've tried alternative approach for hzp implementation
(see Virtual huge zero page patchset): pmd table with all entries set to
zero page. This way should be more cache friendly, but it increases TLB
pressure.
The problem with virtual huge zero page: it requires per-arch enabling.
We need a way to mark that pmd table has all ptes set to zero page.
Some numbers to compare two implementations (on 4s Westmere-EX):
Mirobenchmark1
==============
test:
posix_memalign((void **)&p, 2 * MB, 8 * GB);
for (i = 0; i < 100; i++) {
assert(memcmp(p, p + 4*GB, 4*GB) == 0);
asm volatile ("": : :"memory");
}
hzp:
Performance counter stats for './test_memcmp' (5 runs):
32356.272845 task-clock # 0.998 CPUs utilized ( +- 0.13% )
40 context-switches # 0.001 K/sec ( +- 0.94% )
0 CPU-migrations # 0.000 K/sec
4,218 page-faults # 0.130 K/sec ( +- 0.00% )
76,712,481,765 cycles # 2.371 GHz ( +- 0.13% ) [83.31%]
36,279,577,636 stalled-cycles-frontend # 47.29% frontend cycles idle ( +- 0.28% ) [83.35%]
1,684,049,110 stalled-cycles-backend # 2.20% backend cycles idle ( +- 2.96% ) [66.67%]
134,355,715,816 instructions # 1.75 insns per cycle
# 0.27 stalled cycles per insn ( +- 0.10% ) [83.35%]
13,526,169,702 branches # 418.039 M/sec ( +- 0.10% ) [83.31%]
1,058,230 branch-misses # 0.01% of all branches ( +- 0.91% ) [83.36%]
32.413866442 seconds time elapsed ( +- 0.13% )
vhzp:
Performance counter stats for './test_memcmp' (5 runs):
30327.183829 task-clock # 0.998 CPUs utilized ( +- 0.13% )
38 context-switches # 0.001 K/sec ( +- 1.53% )
0 CPU-migrations # 0.000 K/sec
4,218 page-faults # 0.139 K/sec ( +- 0.01% )
71,964,773,660 cycles # 2.373 GHz ( +- 0.13% ) [83.35%]
31,191,284,231 stalled-cycles-frontend # 43.34% frontend cycles idle ( +- 0.40% ) [83.32%]
773,484,474 stalled-cycles-backend # 1.07% backend cycles idle ( +- 6.61% ) [66.67%]
134,982,215,437 instructions # 1.88 insns per cycle
# 0.23 stalled cycles per insn ( +- 0.11% ) [83.32%]
13,509,150,683 branches # 445.447 M/sec ( +- 0.11% ) [83.34%]
1,017,667 branch-misses # 0.01% of all branches ( +- 1.07% ) [83.32%]
30.381324695 seconds time elapsed ( +- 0.13% )
Mirobenchmark2
==============
test:
posix_memalign((void **)&p, 2 * MB, 8 * GB);
for (i = 0; i < 1000; i++) {
char *_p = p;
while (_p < p+4*GB) {
assert(*_p == *(_p+4*GB));
_p += 4096;
asm volatile ("": : :"memory");
}
}
hzp:
Performance counter stats for 'taskset -c 0 ./test_memcmp2' (5 runs):
3505.727639 task-clock # 0.998 CPUs utilized ( +- 0.26% )
9 context-switches # 0.003 K/sec ( +- 4.97% )
4,384 page-faults # 0.001 M/sec ( +- 0.00% )
8,318,482,466 cycles # 2.373 GHz ( +- 0.26% ) [33.31%]
5,134,318,786 stalled-cycles-frontend # 61.72% frontend cycles idle ( +- 0.42% ) [33.32%]
2,193,266,208 stalled-cycles-backend # 26.37% backend cycles idle ( +- 5.51% ) [33.33%]
9,494,670,537 instructions # 1.14 insns per cycle
# 0.54 stalled cycles per insn ( +- 0.13% ) [41.68%]
2,108,522,738 branches # 601.451 M/sec ( +- 0.09% ) [41.68%]
158,746 branch-misses # 0.01% of all branches ( +- 1.60% ) [41.71%]
3,168,102,115 L1-dcache-loads
# 903.693 M/sec ( +- 0.11% ) [41.70%]
1,048,710,998 L1-dcache-misses
# 33.10% of all L1-dcache hits ( +- 0.11% ) [41.72%]
1,047,699,685 LLC-load
# 298.854 M/sec ( +- 0.03% ) [33.38%]
2,287 LLC-misses
# 0.00% of all LL-cache hits ( +- 8.27% ) [33.37%]
3,166,187,367 dTLB-loads
# 903.147 M/sec ( +- 0.02% ) [33.35%]
4,266,538 dTLB-misses
# 0.13% of all dTLB cache hits ( +- 0.03% ) [33.33%]
3.513339813 seconds time elapsed ( +- 0.26% )
vhzp:
Performance counter stats for 'taskset -c 0 ./test_memcmp2' (5 runs):
27313.891128 task-clock # 0.998 CPUs utilized ( +- 0.24% )
62 context-switches # 0.002 K/sec ( +- 0.61% )
4,384 page-faults # 0.160 K/sec ( +- 0.01% )
64,747,374,606 cycles # 2.370 GHz ( +- 0.24% ) [33.33%]
61,341,580,278 stalled-cycles-frontend # 94.74% frontend cycles idle ( +- 0.26% ) [33.33%]
56,702,237,511 stalled-cycles-backend # 87.57% backend cycles idle ( +- 0.07% ) [33.33%]
10,033,724,846 instructions # 0.15 insns per cycle
# 6.11 stalled cycles per insn ( +- 0.09% ) [41.65%]
2,190,424,932 branches # 80.195 M/sec ( +- 0.12% ) [41.66%]
1,028,630 branch-misses # 0.05% of all branches ( +- 1.50% ) [41.66%]
3,302,006,540 L1-dcache-loads
# 120.891 M/sec ( +- 0.11% ) [41.68%]
271,374,358 L1-dcache-misses
# 8.22% of all L1-dcache hits ( +- 0.04% ) [41.66%]
20,385,476 LLC-load
# 0.746 M/sec ( +- 1.64% ) [33.34%]
76,754 LLC-misses
# 0.38% of all LL-cache hits ( +- 2.35% ) [33.34%]
3,309,927,290 dTLB-loads
# 121.181 M/sec ( +- 0.03% ) [33.34%]
2,098,967,427 dTLB-misses
# 63.41% of all dTLB cache hits ( +- 0.03% ) [33.34%]
27.364448741 seconds time elapsed ( +- 0.24% )
===
I personally prefer implementation present in this patchset. It doesn't
touch arch-specific code.
This patch:
Huge zero page (hzp) is a non-movable huge page (2M on x86-64) filled with
zeros.
For now let's allocate the page on hugepage_init(). We'll switch to lazy
allocation later.
We are not going to map the huge zero page until we can handle it properly
on all code paths.
is_huge_zero_{pfn,pmd}() functions will be used by following patches to
check whether the pfn/pmd is huge zero page.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: "H. Peter Anvin" <hpa@linux.intel.com>
Cc: Mel Gorman <mel@csn.ul.ie>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
|
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Joonsoo Kim
|
3f7dfe24b8 |
bootmem: remove alloc_arch_preferred_bootmem()
The name of this function is not suitable, and removing the function and open-coding it into each call sites makes the code more understandable. Additionally, we shouldn't do an allocation from bootmem when slab_is_available(), so directly return kmalloc()'s return value. Signed-off-by: Joonsoo Kim <js1304@gmail.com> Cc: Haavard Skinnemoen <hskinnemoen@gmail.com> Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Joonsoo Kim
|
2d7a695604 |
bootmem: remove not implemented function call, bootmem_arch_preferred_node()
There is no implementation of bootmem_arch_preferred_node() and a call to this function will cause a compilation error. So remove it. Signed-off-by: Joonsoo Kim <js1304@gmail.com> Cc: Haavard Skinnemoen <hskinnemoen@gmail.com> Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no> Cc: Johannes Weiner <hannes@cmpxchg.org> Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Linus Torvalds
|
9977d9b379 |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal
Pull big execve/kernel_thread/fork unification series from Al Viro:
"All architectures are converted to new model. Quite a bit of that
stuff is actually shared with architecture trees; in such cases it's
literally shared branch pulled by both, not a cherry-pick.
A lot of ugliness and black magic is gone (-3KLoC total in this one):
- kernel_thread()/kernel_execve()/sys_execve() redesign.
We don't do syscalls from kernel anymore for either kernel_thread()
or kernel_execve():
kernel_thread() is essentially clone(2) with callback run before we
return to userland, the callbacks either never return or do
successful do_execve() before returning.
kernel_execve() is a wrapper for do_execve() - it doesn't need to
do transition to user mode anymore.
As a result kernel_thread() and kernel_execve() are
arch-independent now - they live in kernel/fork.c and fs/exec.c
resp. sys_execve() is also in fs/exec.c and it's completely
architecture-independent.
- daemonize() is gone, along with its parts in fs/*.c
- struct pt_regs * is no longer passed to do_fork/copy_process/
copy_thread/do_execve/search_binary_handler/->load_binary/do_coredump.
- sys_fork()/sys_vfork()/sys_clone() unified; some architectures
still need wrappers (ones with callee-saved registers not saved in
pt_regs on syscall entry), but the main part of those suckers is in
kernel/fork.c now."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/signal: (113 commits)
do_coredump(): get rid of pt_regs argument
print_fatal_signal(): get rid of pt_regs argument
ptrace_signal(): get rid of unused arguments
get rid of ptrace_signal_deliver() arguments
new helper: signal_pt_regs()
unify default ptrace_signal_deliver
flagday: kill pt_regs argument of do_fork()
death to idle_regs()
don't pass regs to copy_process()
flagday: don't pass regs to copy_thread()
bfin: switch to generic vfork, get rid of pointless wrappers
xtensa: switch to generic clone()
openrisc: switch to use of generic fork and clone
unicore32: switch to generic clone(2)
score: switch to generic fork/vfork/clone
c6x: sanitize copy_thread(), get rid of clone(2) wrapper, switch to generic clone()
take sys_fork/sys_vfork/sys_clone prototypes to linux/syscalls.h
mn10300: switch to generic fork/vfork/clone
h8300: switch to generic fork/vfork/clone
tile: switch to generic clone()
...
Conflicts:
arch/microblaze/include/asm/Kbuild
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Linus Torvalds
|
cf4af01221 |
ARM: arm-soc: Board updates for 3.8
This branch contains a set of various board updates for ARM platforms. A few shmobile platforms that are stale have been removed, some defconfig updates for various boards selecting new features such as pinctrl subsystem support, and various updates enabling peripherals, etc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAABAgAGBQJQyLD0AAoJEIwa5zzehBx3nNYQAI8a1cS/0U1GGXhmYJs4ZJjM 9yeFKOQmv7kQMmqC9b9UhoCtqwsxR4s2qjUps3464q8pZmEXysc+Z5kH/av9ULJw zp62iTxa/qBfnF+UKCt4PAxoL9KvN36XgPH6OADiQ9rvsJ20zF8Agq22CiSF+8AR CfX60joQnd/BEBORP86Zm5AlAeXiah/MrUBQuiCgNq+Ew9bQ0/I15UKZzlLKeQST eYviHjlGPFcXWaxuIgNUQ5KzFfKtSERHHHsiIy9DEi0zq7fLhiwY+eIYUWN34aDp K+bV7wmh6ufa3/Z024Du5FkSI4fIOLz6b5hlJxOzgvQ3AZJ7JK8IYSXCibgUjWxO gFxpVj/MYGf+FlWVQpaf/niMuhYqRAbWy1rsGcmyn8+rb8cHxDHs/3Z4dQTmgxMf 6lEdR4npULAP22MSB71yQtPjn9XW1338a0/a5GPdvihZjwpMH2ZXRxAkGuGpamFT /oXwADuh5a+1uMctXQqb/1FnJcmH/mbEp40bU90AwSqJ6Y8FJts4P5B3H9RQ5rO7 uz/KVB4ilUHGONtrTiNohYbrNLj3t2kNUt8QrQINMWBHSDFHLUbK48QcoqK4uJPB 9RFu9mtovUvfJXVivOoO/BRVnKomUba7fhET1VP4UXiCc7WNtmj36kiXSHbfu3NV /ox1FAH3UU8jB91OeEqV =sgYz -----END PGP SIGNATURE----- Merge tag 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC board updates from Olof Johansson: "This branch contains a set of various board updates for ARM platforms. A few shmobile platforms that are stale have been removed, some defconfig updates for various boards selecting new features such as pinctrl subsystem support, and various updates enabling peripherals, etc." Fix up conflicts mostly as per Olof. * tag 'boards' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (58 commits) ARM: S3C64XX: Add dummy supplies for Glenfarclas LDOs ARM: S3C64XX: Add registration of WM2200 Bells device on Cragganmore ARM: kirkwood: Add Plat'Home OpenBlocks A6 support ARM: Dove: update defconfig ARM: Kirkwood: update defconfig for new boards arm: orion5x: add DT related options in defconfig arm: orion5x: convert 'LaCie Ethernet Disk mini v2' to Device Tree arm: orion5x: basic Device Tree support arm: orion5x: mechanical defconfig update ARM: kirkwood: Add support for the MPL CEC4 arm: kirkwood: add support for ZyXEL NSA310 ARM: Kirkwood: new board USI Topkick ARM: kirkwood: use gpio-fan DT binding on lsxl ARM: Kirkwood: add Netspace boards to defconfig ARM: kirkwood: DT board setup for Network Space Mini v2 ARM: kirkwood: DT board setup for Network Space Lite v2 ARM: kirkwood: DT board setup for Network Space v2 and parents leds: leds-ns2: add device tree binding ARM: Kirkwood: Enable the second I2C bus ARM: mmp: select pinctrl driver ... |
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Linus Torvalds
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d027db132b |
ARM: arm-soc: SoC updates for 3.8
This contains the bulk of new SoC development for this merge window. Two new platforms have been added, the sunxi platforms (Allwinner A1x SoCs) by Maxime Ripard, and a generic Broadcom platform for a new series of ARMv7 platforms from them, where the hope is that we can keep the platform code generic enough to have them all share one mach directory. The new Broadcom platform is contributed by Christian Daudt. Highbank has grown support for Calxeda's next generation of hardware, ECX-2000. clps711x has seen a lot of cleanup from Alexander Shiyan, and he's also taken on maintainership of the platform. Beyond this there has been a bunch of work from a number of people on converting more platforms to IRQ domains, pinctrl conversion, cleanup and general feature enablement across most of the active platforms. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAABAgAGBQJQyLCjAAoJEIwa5zzehBx3AdQP/R+L3+EQMjiEWt/p7g/ql5Em 0SnP92CcGzrjgLTg9z1FeOazfOsGnkZAYUlDRkqfKobH3VqkhYFFtt1/0x0KMahm xcowHgMBOyimFdWT9vLK3J8U6DLui5XrEG9LGH2VL+lqmfjIyP/OOF3mVc0/+pV9 WTLAsYswdBRSeiNuF43kqlfrOwF6xsPLgiNMlc82w6BzHqoHu6dOif5M9MqWaApS V74DPmwLD371Tyit6aHqt3JOqpgiPSHlmxkzomK+5idcW3Pa7HnzzFYmx85dk/eN J2siqIkoOu7tEfjIbNZTL2MYoX4tUUKv4qZZ3IOl3YSWaV3P5ilMApF01XVrkk8E DWOMhzte9hC7L90W+/kCPLF1VyeAhCem2KQWUitO71fKur3r+3ZaUokNVvWzkJIL 7aduxAJOV2hfLgEqbjbjF3o4S8p63OV3kzivFJM1And15zDJo4+qqOh67+bPo4jj +R4du+SqzXriw4i3tDLGVpdjDffk4D41tbLzgkWAtvGyoP45yeYfHAzAh0pDFPRv ASfZVmZ5PhwAUAkIMnpC2sjgmxMYff3SYqmDgnsqXES7rbDH/hG+teymtHFTyUQp m+f60DNotSMcMvkLdvruLSB4aeTiwbfOqPn/g+aXYUlPuNMq1fVWgN7EJKWkamK4 nRwaJmLwx1/ojcVbpy2G =YMKB -----END PGP SIGNATURE----- Merge tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC updates from Olof Johansson: "This contains the bulk of new SoC development for this merge window. Two new platforms have been added, the sunxi platforms (Allwinner A1x SoCs) by Maxime Ripard, and a generic Broadcom platform for a new series of ARMv7 platforms from them, where the hope is that we can keep the platform code generic enough to have them all share one mach directory. The new Broadcom platform is contributed by Christian Daudt. Highbank has grown support for Calxeda's next generation of hardware, ECX-2000. clps711x has seen a lot of cleanup from Alexander Shiyan, and he's also taken on maintainership of the platform. Beyond this there has been a bunch of work from a number of people on converting more platforms to IRQ domains, pinctrl conversion, cleanup and general feature enablement across most of the active platforms." Fix up trivial conflicts as per Olof. * tag 'soc' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (174 commits) mfd: vexpress-sysreg: Remove LEDs code irqchip: irq-sunxi: Add terminating entry for sunxi_irq_dt_ids clocksource: sunxi_timer: Add terminating entry for sunxi_timer_dt_ids irq: versatile: delete dangling variable ARM: sunxi: add missing include for mdelay() ARM: EXYNOS: Avoid early use of of_machine_is_compatible() ARM: dts: add node for PL330 MDMA1 controller for exynos4 ARM: EXYNOS: Add support for secondary CPU bring-up on Exynos4412 ARM: EXYNOS: add UART3 to DEBUG_LL ports ARM: S3C24XX: Add clkdev entry for camif-upll clock ARM: SAMSUNG: Add s3c24xx/s3c64xx CAMIF GPIO setup helpers ARM: sunxi: Add missing sun4i.dtsi file pinctrl: samsung: Do not initialise statics to 0 ARM i.MX6: remove gate_mask from pllv3 ARM i.MX6: Fix ethernet PLL clocks ARM i.MX6: rename PLLs according to datasheet ARM i.MX6: Add pwm support ARM i.MX51: Add pwm support ARM i.MX53: Add pwm support ARM: mx5: Replace clk_register_clkdev with clock DT lookup ... |
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Linus Torvalds
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d01e4afdbb |
ARM: arm-soc: Cleanups on various subarchitectures
Cleanup patches for various ARM platforms and some of their associated drivers. There's also a branch in here that enables Freescale i.MX to be part of the multiplatform support -- the first "big" SoC that is moved over (more multiplatform work comes in a separate branch later during the merge window). -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAABAgAGBQJQx2p9AAoJEIwa5zzehBx3aPUQAIjV3VDf/ACkA4KUQu0BFg5U 57OIkl6RCZvfKhYgq5+6OJ2AK6VkGh9PqTmXkDS7Nj3QMS/uWcb3U419aPJsd3Z/ vNGpTl+J/YcAcFrKMqTyNv98TAiAOJlpm70CqmRbkhpMfoJb7//1JKqGTJPBO+tj 8ZEwNGC0WbRNOSQTY/TTAhbZE1sqXwKy9mDLGmcwqKBY8H1TFHyPB6yWYFSxMHxS JAegbYhYO9FawOOLoi9ovT+2vUR9vDu0xxV4zUK9f5DqKcCb/wYuN0QkusjnEutm RfIt7iXHHzi35YPxtlrGgSz9EIYXKAafSzkgf3Ydpjci5DH/vbVexm/CT+V+SwOT SvucYJMALI/aOEFJWN/50L6B9zipSrWb51tK7WFXz/sUCrMQrXH3Mu99mjHZXSoL 1cylsvs3DFQC7vHFLSjRpX6eJdfE+Hb0LZ878eXSbDVCOnU8odAQrofugqfmeVDk eN0+BWmchJgvljOiKVUQMC3PCquCaAAO1lm/HU7bWPlVigTuHSW0uisDyCYAtlt1 dGxnbbhoFJvSH7CMOoMO7hIFnoNJEe6+uVUuwA/+iJouMXMJLoY6Da4L72h1Mp81 o4Hr6Kxly/SMtURZ/6pCycx5ahb5TaahstYAoe7Qp1dMj5U2m6fUVfKkG7tUx1CW MIuvN3qJeW2qKWKmZRVM =zfPd -----END PGP SIGNATURE----- Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC cleanups on various subarchitectures from Olof Johansson: "Cleanup patches for various ARM platforms and some of their associated drivers. There's also a branch in here that enables Freescale i.MX to be part of the multiplatform support -- the first "big" SoC that is moved over (more multiplatform work comes in a separate branch later during the merge window)." Conflicts fixed as per Olof, including a silent semantic one in arch/arm/mach-omap2/board-generic.c (omap_prcm_restart() was renamed to omap3xxx_restart(), and a new user of the old name was added). * tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (189 commits) ARM: omap: fix typo on timer cleanup ARM: EXYNOS: Remove unused regs-mem.h file ARM: EXYNOS: Remove unused non-dt support for dwmci controller ARM: Kirkwood: Use hw_pci.ops instead of hw_pci.scan ARM: OMAP3: cm-t3517: use GPTIMER for system clock ARM: OMAP2+: timer: remove CONFIG_OMAP_32K_TIMER ARM: SAMSUNG: use devm_ functions for ADC driver ARM: EXYNOS: no duplicate mask/unmask in eint0_15 ARM: S3C24XX: SPI clock channel setup is fixed for S3C2443 ARM: EXYNOS: Remove i2c0 resource information and setting of device names ARM: Kirkwood: checkpatch cleanups ARM: Kirkwood: Fix sparse warnings. ARM: Kirkwood: Remove unused includes ARM: kirkwood: cleanup lsxl board includes ARM: integrator: use BUG_ON where possible ARM: integrator: push down SC dependencies ARM: integrator: delete static UART1 mapping ARM: integrator: delete SC mapping on the CP ARM: integrator: remove static CP syscon mapping ARM: integrator: remove static AP syscon mapping ... |
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Linus Torvalds
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8287361abc |
ARM: arm-soc: Header cleanups
This is a collection of header file cleanups, mostly for OMAP and AT91, that keeps moving the platforms in the direction of multiplatform by removing the need for mach-dependent header files used in drivers and other places. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAABAgAGBQJQx2reAAoJEIwa5zzehBx3Z/oQAIHp8aXbUD0GvbBPQ2vIydZ8 Qfdh2ypbyFB9GSLmPP6BhurEFUcwmW3MH2r9Kq68omPt4XxrFEt1SdEn3TgZlhTY YYzEv2DLbWfmKCDBFAEFullsfVkrpggyou5ty30YVp/u2lVLvChpkciE5/9HADy5 uoh/W2KZcLE51tvnbRy/1DBaOtxEdCjJ9hTaef7FCB9ugOG+yMDYwIPRW/b4fNA6 o/1NuZTWp0H4ePRG2oqLxYnjSiF63DVTJZjSJ+c5gW34bWgh8+/xzaLFA9U++/ig meGUD1Oe65+ctr+Wk2mV29eb02jauUe6qvkwt+iFIDDopgc2mn5BcW+ENpgpjhe3 6l3ClRd94qh4cMWzqDa5PZCdetshiKqSH2IGpKS/dHNB1h5sBP7CCbvbalwzWd5n qjfkPC7kSFyU3XV+9SEAXE6HLKsiMQy9kRcKOMdTE5BA4FEAZk0wfiG9WcVCvS2D 9tDC3X0aScyXx4Mkd4wIAZVhY68QuI17fPft9zZSj691YiUW5cR2yF1qbCka0yd5 pHu/QSZg1+dUitMUvMPQmWJ15jnAtEYUtV/8zQFFVchgkxlrW+UtvW3zxghB6D+J ZwcjAMfQQz9fLoMQXlVovjQIhYsjw3SlV62ReBH7eyPs3+KfPIBn7Ks6mVQs3dS5 AMUWORsB5u92XHl9EL9C =aggA -----END PGP SIGNATURE----- Merge tag 'headers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC Header cleanups from Olof Johansson: "This is a collection of header file cleanups, mostly for OMAP and AT91, that keeps moving the platforms in the direction of multiplatform by removing the need for mach-dependent header files used in drivers and other places." Fix up mostly trivial conflicts as per Olof. * tag 'headers' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (106 commits) ARM: OMAP2+: Move iommu/iovmm headers to platform_data ARM: OMAP2+: Make some definitions local ARM: OMAP2+: Move iommu2 to drivers/iommu/omap-iommu2.c ARM: OMAP2+: Move plat/iovmm.h to include/linux/omap-iommu.h ARM: OMAP2+: Move iopgtable header to drivers/iommu/ ARM: OMAP: Merge iommu2.h into iommu.h atmel: move ATMEL_MAX_UART to platform_data/atmel.h ARM: OMAP: Remove omap_init_consistent_dma_size() arm: at91: move at91rm9200 rtc header in drivers/rtc arm: at91: move reset controller header to arm/arm/mach-at91 arm: at91: move pit define to the driver arm: at91: move at91_shdwc.h to arch/arm/mach-at91 arm: at91: move board header to arch/arm/mach-at91 arn: at91: move at91_tc.h to arch/arm/mach-at91 arm: at91 move at91_aic.h to arch/arm/mach-at91 arm: at91 move board.h to arch/arm/mach-at91 arm: at91: move platfarm_data to include/linux/platform_data/atmel.h arm: at91: drop machine defconfig ARM: OMAP: Remove NEED_MACH_GPIO_H ARM: OMAP: Remove unnecessary mach and plat includes ... |
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Linus Torvalds
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2989950cea |
ARM: arm-soc: Non-critical bug fixes
Simple bug fixes that were not considered important enough for inclusion into 3.7, especially those that arrived late during the merge window. There's also a MAINTAINERS update for the Renesas platforms in here, marking Simon Horman as a maintainer and changing the git url to his tree. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAABAgAGBQJQx2n/AAoJEIwa5zzehBx3ciUQAKIlI8FQ/ggsfP3xYzT7y9dm WCmfWb5OMq/kO+7vNImiKpqYUW63C+/LZlsLvXreo0YaOcodnIGr6zR822POCZ7d 76sG8isrnHL9nNfBF3qRLsNfrFV+CrBKvm1go0v6cVVp6VfpHwAk5wbNL+ET/3Kb l3rjpFhxd5m2CMLY3ejPpwxsYXB8RJTTwz2ANYH37+aO4JwJFOmnEZoDFSSnbF5F veNF1PQvvmiFfi18yOIDJLzF1M1tw4g8Qr5Ypno2sBQaz3lm73cBtf5hqT7XjYzk oYgbNbR+XuJD35jtyYtV2DzUEPqZvFFTi1AL31senG+vT0HlLj+7ykQoaWs5maAb p9Vp3pe5kpCmQgRmeVF6Pqe5aTPhbfBnfIp+mBh5Bs9CUsXsSt+X8JYpicA3lZAM 3OWq2PTkK/Cvv7RW91H2njgfoIeM5YzR3bb3EZ7JyYdDO9U+o6CMxhhNimFKq9Zk QqbFbLPhhBrhtcpCQTp0i17dvFJkHUY3CuktcgekEx1cTCdcaisjz/5Ax+3ZOG0C WxDMyAwQ4DP+USc9LAQkBqw3uVcoM0RqlmrXvxRtkrLEsD4msnmKoOe8zm3Q/CoD ZWASjBMbKaLzQ7rbrmV8CdjwdAwrxexyDITRd0yKgW4IeXALLBqyLb3cqt23C6Bf qIZtOgu1DKm1QoBM8Tgm =Lcpo -----END PGP SIGNATURE----- Merge tag 'fixes-non-critical' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC Non-critical bug fixes from Olof Johansson: "Simple bug fixes that were not considered important enough for inclusion into 3.7, especially those that arrived late during the merge window. There's also a MAINTAINERS update for the Renesas platforms in here, marking Simon Horman as a maintainer and changing the git url to his tree." * tag 'fixes-non-critical' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: Update ARM/SHMOBILE section of MAINTAINERS ARM: Fix Kconfig symbols typo for LEDS ARM: pxa: add dummy SA1100 rtc clock in pxa25x ARM: pxa: fix pxa25x gpio wakeup setting ARM: OMAP4: PM: fix errata handling when CONFIG_PM=n ARM: cns3xxx: drop unnecessary symbol selection ARM: vexpress: fix ll debug code when building multiplatform ARM: OMAP4: retrigger localtimers after re-enabling gic ARM: OMAP4460: Workaround for ROM bug because of CA9 r2pX GIC control register change. ARM: OMAP4: PM: add errata support ARM: davinci: fix return value check by using IS_ERR in tnetv107x_devices_init() ARM: davinci: uncompress.h: bail out if uart not initialized ARM: davinci: serial.h: fix uart number in the comment ARM: davinci: dm644x evm: move pointer dereference below NULL check ARM: vexpress: Make the debug UART detection more specific |
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Linus Torvalds
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b1286f4e9a |
Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm
Pull ARM updates from Russell King: "Here's the updates for ARM for this merge window, which cover quite a variety of areas. There's a bunch of patch series from Will tackling various bugs like the PROT_NONE handling, ASID allocation, cluster boot protocol and ASID TLB tagging updates. We move to a build-time sorted exception table rather than doing the sorting at run-time, add support for the secure computing filter, and some updates to the perf code. We also have sorted out the placement of some headers, fixed some build warnings, fixed some hotplug problems with the per-cpu TWD code." * 'for-linus' of git://git.linaro.org/people/rmk/linux-arm: (73 commits) ARM: 7594/1: Add .smp entry for REALVIEW_EB ARM: 7599/1: head: Remove boot-time HYP mode check for v5 and below ARM: 7598/1: net: bpf_jit_32: fix sp-relative load/stores offsets. ARM: 7595/1: syscall: rework ordering in syscall_trace_exit ARM: 7596/1: mmci: replace readsl/writesl with ioread32_rep/iowrite32_rep ARM: 7597/1: net: bpf_jit_32: fix kzalloc gfp/size mismatch. ARM: 7593/1: nommu: do not enable DCACHE_WORD_ACCESS when !CONFIG_MMU ARM: 7592/1: nommu: prevent generation of kernel unaligned memory accesses ARM: 7591/1: nommu: Enable the strict alignment (CR_A) bit only if ARCH < v6 ARM: 7590/1: /proc/interrupts: limit the display of IPIs to online CPUs only ARM: 7587/1: implement optimized percpu variable access ARM: 7589/1: integrator: pass the lm resource to amba ARM: 7588/1: amba: create a resource parent registrator ARM: 7582/2: rename kvm_seq to vmalloc_seq so to avoid confusion with KVM ARM: 7585/1: kernel: fix nr_cpu_ids check in DT logical map init ARM: 7584/1: perf: fix link error when CONFIG_HW_PERF_EVENTS is not selected ARM: gic: use a private mapping for CPU target interfaces ARM: kernel: add logical mappings look-up ARM: kernel: add cpu logical map DT init in setup_arch ARM: kernel: add device tree init map function ... |
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Linus Torvalds
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6facac1ab6 |
Merge branch 'for-next' of git://git.samba.org/sfrench/cifs-2.6
Pull CIFS fixes from Steve French: "This includes a set of misc. cifs fixes (most importantly some byte range lock related write fixes from Pavel, and some ACL and idmap related fixes from Jeff) but also includes the SMB2.02 dialect enablement, and a key fix for SMB3 mounts. Default authentication upgraded to ntlmv2 for cifs (it was already ntlmv2 for smb2)" * 'for-next' of git://git.samba.org/sfrench/cifs-2.6: (43 commits) CIFS: Fix write after setting a read lock for read oplock files cifs: parse the device name into UNC and prepath cifs: fix up handling of prefixpath= option cifs: clean up handling of unc= option cifs: fix SID binary to string conversion fix "disabling echoes and oplocks" on SMB2 mounts Do not send SMB2 signatures for SMB3 frames cifs: deal with id_to_sid embedded sid reply corner case cifs: fix hardcoded default security descriptor length cifs: extra sanity checking for cifs.idmap keys cifs: avoid extra allocation for small cifs.idmap keys cifs: simplify id_to_sid and sid_to_id mapping code CIFS: Fix possible data coherency problem after oplock break to None CIFS: Do not permit write to a range mandatory locked with a read lock cifs: rename cifs_readdir_lookup to cifs_prime_dcache and make it void return cifs: Add CONFIG_CIFS_DEBUG and rename use of CIFS_DEBUG cifs: Make CIFS_DEBUG possible to undefine SMB3 mounts fail with access denied to some servers cifs: Remove unused cEVENT macro cifs: always zero out smb_vol before parsing options ... |
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Linus Torvalds
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3f1c64f410 |
xfs: update for 3.8-rc1
- remove the xfssyncd mess - only update the last_sync_lsn when a transaction completes - zero allocation_args on the kernel stack - fix AGF/alloc workqueue deadlock - silence uninitialised f.file warning - Update inode alloc comments - Update mount options documentation - report projid32bit feature in geometry call - speculative preallocation inode tracking - fix attr tree double split corruption - fix broken error handling in xfs_vm_writepage - drop buffer io reference when a bad bio is built - add more attribute tree trace points - growfs infrastructure changes for 3.8 - fs/xfs/xfs_fs_subr.c die die die - add CRC infrastructure - add CRC checks to the log - Remove description of nodelaylog mount option from xfs.txt - inode allocation should use unmapped buffers - byte range granularity for XFS_IOC_ZERO_RANGE - fix direct IO nested transaction deadlock - fix stray dquot unlock when reclaiming dquots - fix sparse reported log CRC endian issue -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iQIcBAABAgAGBQJQx3MFAAoJENaLyazVq6ZO3MgP/Aux0lrRv8H3j7Bj0zGbx6Wc BUVVUTEifMDCvzyQJNqhX7SeINb1IhlYtoH6FDICENA/yWhIzAs7z/xhDbJLFKDq xDNwt2WMqIN+DVX/X3SFxevIKMjufKjI4nM9qzcJn7sFmsxreaZLI1Xw5jEab2ou kkx//YTzYzk56tUzd6xOI1QFXqU7N2wGylx+eyPcNtFrgVOMUDCIhlVE0WT8sUVv jfGrLMVG6g6RLVHqpExzmuXJS04kv+R6WK4J4ZkHZ/shspYRs1lFO2OKUP1gw5/W 8acDhJPIwKJb5mnPoxvYTXTqUv0jYvBQ+UWv6OWSK4EprN0ePVOFZOCQ9YIIirrU jiITiK1c0t9z6O1jenYoGvqptcfb+xodgSpa7lvlMquZCqaoX3mimg/01ii+aZu5 6b4W4dMZ6UMI8WiCS44GcLdsfC7wuUL1Kwdoh95xzPyT7nUPFiikWkMmYVF1btLQ 5kftZhOImlhU+js/nVcRfAEiLr1eS1g/nF+3+zNLYGSO0ZaIuJ/8Zg297mYS0pQx yWaeblX3idgpnPZxUHDvrPNnJsbnchujNer0V2fCGRcX3nmF5rvaeclsz//eRF/b TrpXYxgKr/oXbKmB5KaTHpG+wKSJYKHzMV7fzUwPdLM106OEt98Ke1ptAmTZU9gp ugXEwjMEsB3qDwD95JVz =Cl7A -----END PGP SIGNATURE----- Merge tag 'for-linus-v3.8-rc1' of git://oss.sgi.com/xfs/xfs Pull xfs update from Ben Myers: "There is plenty going on, including the cleanup of xfssyncd, metadata verifiers, CRC infrastructure for the log, tracking of inodes with speculative allocation, a cleanup of xfs_fs_subr.c, fixes for XFS_IOC_ZERO_RANGE, and important fix related to log replay (only update the last_sync_lsn when a transaction completes), a fix for deadlock on AGF buffers, documentation and comment updates, and a few more cleanups and fixes. Details: - remove the xfssyncd mess - only update the last_sync_lsn when a transaction completes - zero allocation_args on the kernel stack - fix AGF/alloc workqueue deadlock - silence uninitialised f.file warning - Update inode alloc comments - Update mount options documentation - report projid32bit feature in geometry call - speculative preallocation inode tracking - fix attr tree double split corruption - fix broken error handling in xfs_vm_writepage - drop buffer io reference when a bad bio is built - add more attribute tree trace points - growfs infrastructure changes for 3.8 - fs/xfs/xfs_fs_subr.c die die die - add CRC infrastructure - add CRC checks to the log - Remove description of nodelaylog mount option from xfs.txt - inode allocation should use unmapped buffers - byte range granularity for XFS_IOC_ZERO_RANGE - fix direct IO nested transaction deadlock - fix stray dquot unlock when reclaiming dquots - fix sparse reported log CRC endian issue" Fix up trivial conflict in fs/xfs/xfs_fsops.c due to the same patch having been applied twice (commits |
||
|
Linus Torvalds
|
22a40fd9a6 |
dlm for 3.8
This set fixes some conditions in which value blocks are invalidated, and includes two trivial cleanups. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAABAgAGBQJQx3nAAAoJEDgbc8f8gGmqfBgQAIw46bVtZxxK/DcyGMR5UCtV ARLHieFbse3fJNkIXOD96G7Psk/dDgjulclewccXcdgu+VGyXQ1g1YJG9/L0Sv17 mRL+WlceXWWZ9LuUwRicBNerwd3MBLGndEV78fFweopV7FNYBF7qTWzywTLHCGmf iB5/jdSLhPzj4ele+BA1XUHqQYOiDEmbLlw8sSNU3kxiOCO/lqWlQLd1t+YoOUI/ 8YPOfmPFxu0SbBmvoTlr53w+gvDpoTV1AdVJO2Pe7yuIAAUWcMN1NHTfyL3ua3K9 LPh/eSltcKLdS7wjcNoufL5CEPsaTnmO28MZdHO+S3JG2T7glhBo6j/c3v1JO4rV MpBFu1Blm2CeWzmC8tTzwyK/mLRrfjue/4PV11rYUcaBIl/NwaapnUXF8doS81EX jDgTX7flZa4ykv6f/yca8aJJdIRQtpS4AsmKMigL8TN1JQd22e3LOr30JFkLy7D5 fzidJbhusbeD2kDsskXwMfyF5kUYXLdVQQqwM3BK8+YwjqyM9ReI5XHQWJrdJyzH u3q6HjO8Wb0e3al2Ay1BhYhkARBm+1vBjxc9fdNXuXdESUvrB5GBB2xrWVgv0Uu8 Dj/ml9hiLr2PcZ0yo+kqkLOpRVrTxQ03IBAaAjsraVjX7exFlEv5gsecP/3Ps7P3 yWxfHLapr/8Vf4itF7hn =Pb3H -----END PGP SIGNATURE----- Merge tag 'dlm-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm Pull dlm updates from David Teigland: "This set fixes some conditions in which value blocks are invalidated, and includes two trivial cleanups." * tag 'dlm-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/teigland/linux-dlm: dlm: fix lvb invalidation conditions fs/dlm: remove CONFIG_EXPERIMENTAL dlm: remove unused variable in *dlm_lowcomms_get_buffer() |
||
|
Linus Torvalds
|
d206e09036 |
Merge branch 'for-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup
Pull cgroup changes from Tejun Heo:
"A lot of activities on cgroup side. The big changes are focused on
making cgroup hierarchy handling saner.
- cgroup_rmdir() had peculiar semantics - it allowed cgroup
destruction to be vetoed by individual controllers and tried to
drain refcnt synchronously. The vetoing never worked properly and
caused good deal of contortions in cgroup. memcg was the last
reamining user. Michal Hocko removed the usage and cgroup_rmdir()
path has been simplified significantly. This was done in a
separate branch so that the memcg people can base further memcg
changes on top.
- The above allowed cleaning up cgroup lifecycle management and
implementation of generic cgroup iterators which are used to
improve hierarchy support.
- cgroup_freezer updated to allow migration in and out of a frozen
cgroup and handle hierarchy. If a cgroup is frozen, all descendant
cgroups are frozen.
- netcls_cgroup and netprio_cgroup updated to handle hierarchy
properly.
- Various fixes and cleanups.
- Two merge commits. One to pull in memcg and rmdir cleanups (needed
to build iterators). The other pulled in cgroup/for-3.7-fixes for
device_cgroup fixes so that further device_cgroup patches can be
stacked on top."
Fixed up a trivial conflict in mm/memcontrol.c as per Tejun (due to
commit
|
||
|
Linus Torvalds
|
fef3ff2eb7 |
Merge branch 'for-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu
Pull percpu changes from Tejun Heo: "Nothing exciting here either. Joonsoo's is almost cosmetic. Cyrill's patch fixes "percpu_alloc" early kernel param handling so that the kernel doesn't crash when the parameter is specified w/o any argument." * 'for-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu: mm, percpu: Make sure percpu_alloc early parameter has an argument percpu: make pcpu_free_chunk() use pcpu_mem_free() instead of kfree() |
||
|
Linus Torvalds
|
e7b55b8fcd |
Merge branch 'for-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq
Pull workqueue changes from Tejun Heo: "Nothing exciting. Just two trivial changes." * 'for-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq: workqueue: add WARN_ON_ONCE() on CPU number to wq_worker_waking_up() workqueue: trivial fix for return statement in work_busy() |
||
|
Linus Torvalds
|
50851c6248 |
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
Pull thermal management update from Zhang Rui:
"Highlights:
- Introduction of thermal policy support, together with three new
thermal governors, including step_wise, user_space, fire_share.
- Introduction of ST-Ericsson db8500_thermal driver and ST-Ericsson
db8500_cpufreq_cooling driver.
- Thermal Kconfig file and Makefile refactor.
- Fixes for generic thermal layer, generic cpucooling, rcar thermal
driver and Exynos thermal driver."
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: (36 commits)
Thermal: Fix DEFAULT_THERMAL_GOVERNOR
Thermal: fix a NULL pointer dereference when generic thermal layer is built as a module
thermal: rcar: add rcar_zone_to_priv() macro
thermal: rcar: fixup the unit of temperature
thermal: cpu cooling: allow module builds
thermal: cpu cooling: use const parameter while registering
Thermal: Add ST-Ericsson DB8500 thermal properties and platform data.
Thermal: Add ST-Ericsson DB8500 thermal driver.
drivers/thermal/Makefile refactor
Exynos: Add missing dependency
Refactor drivers/thermal/Kconfig
thermal: cpu_cooling: Make 'notify_device' static
Thermal: Remove the cooling_cpufreq_list.
Thermal: fix bug of counting cpu frequencies.
Thermal: add indent for code alignment.
thermal: rcar_thermal: remove explicitly used devm_kfree/iounap()
thermal: user_space: Add missing static storage class specifiers
thermal: fair_share: Add missing static storage class specifiers
thermal: step_wise: Add missing static storage class specifiers
Thermal: Fix oops and unlocking in thermal_sys.c
...
|
||
|
Linus Torvalds
|
99b8f42ee2 |
regmap: Updates for v3.8
Quite a few enhancements this time around, helpers and diagnostics for
the most part which is good to see:
- Addition of table based lookups for the register access checks from
Davide Ciminaghi, making life easier for drivers with big blocks of
similar registers.
- Allow drivers to get the irqdomain for regmap irq_chips, allowing the
domain to be used with other APIs.
- Debug improvements for paged register maps.
- Performance improvments for some of the diagnostic infrastructure,
very helpful for devices with large register maps.
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Merge tag 'regmap-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap
Pull regmap updates from Mark Brown:
"Quite a few enhancements this time around, helpers and diagnostics for
the most part which is good to see:
- Addition of table based lookups for the register access checks from
Davide Ciminaghi, making life easier for drivers with big blocks of
similar registers.
- Allow drivers to get the irqdomain for regmap irq_chips, allowing
the domain to be used with other APIs.
- Debug improvements for paged register maps.
- Performance improvments for some of the diagnostic infrastructure,
very helpful for devices with large register maps."
* tag 'regmap-3.8' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regmap:
regmap: debugfs: Cache offsets of valid regions for dump
regmap: debugfs: Factor out initial seek
regmap: debugfs: Avoid overflows for very small reads
regmap: Cache register and value sizes for debugfs
regmap: introduce tables for readable/writeable/volatile/precious checks
regmap: core: Report registers in hex when we can't cache
regmap: Fix printing of size_t variable
regmap: make lock/unlock functions customizable
regmap: silence GCC warning
regmap: Split raw writes that cross window boundaries
regmap: Make return code checks consistent
regmap: Factor range lookup out of page selection
regmap: Provide debugfs read of register ranges
regmap: Factor out debugfs register read
regmap: Allow ranges to be named
regmap: When we sanity check during range adds say what errors we find
regmap: Rename n_ranges to num_ranges
regmap: irq: Allow users to retrieve the irq_domain
|
||
|
Linus Torvalds
|
139353ffbe |
Trivial fix for error injection code using ACPI5 version of EINJ
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||
|
Linus Torvalds
|
251a8cfeda |
Patch series to allow EFI variable backend to pstore
to hold multiple records. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAABAgAGBQJQxjFJAAoJEKurIx+X31iBNssQAKCjiXe7dT8DigoKSPj3w1sJ 8xcuJKmlZ5ykgElfQ1Lcfuz0KuMT8SZfBHrRCL389Yvtxq71NL9pMX1OyCqyfVyO uuKWD/+jVc5d11F15hC2l8zIU7v2S3TXQ64rZEgDDFXIPlTbEcEBy92arpq6Avj3 6ioR+rf4jvOeC66keIcDOIl6r4tVn2f16B9Z6ffSOit0dVeRAOc7bB9LLaohETSY rCSKHgZLHBZRQv2yGKS3LB6KSL2DVm+lgNhzAVw4kEJNTJl04clK854L8EM7WfGj qREsvSUB4H4I2XMBW+HCU/6+4c4alSEr/2c8+xBeynL4+I2y+VLwySkwE+8DPgEV BjCuyjSmpZVuVz6R28hcJIbkK0sN1gntXitb2V157+89f3gVEMYwKaY787TuNl9g oWYjjeOk66r5xshdVvCnFIgZxgFItznn+kgRkNq0clGH+nWVsZfuYw/q2PLm9xoM TJR+ZZwMJC25TE99rh9CqVc0kuQi5SXfqjpd+fW8oJ2kSxj4/7SqmOpmK7oWLFNi kf0xS1yVsQB5mRx3nvERvA36lzNSiQRFXnMjh84be4NX8dYqiGoJQjOh/laemjxd 8hpoMVuUMtXLC4roejyyLwddtTLshWm2ByULAHJRJpuUKzichkaqhuvvkMUjKfDj NunMg/OfNs78sTlNSATf =NAdA -----END PGP SIGNATURE----- Merge tag 'please-pull-pstore_mevent' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux Pull pstore fixes from Tony Luck: "Patch series to allow EFI variable backend to pstore to hold multiple records." * tag 'please-pull-pstore_mevent' of git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux: efi_pstore: Add a format check for an existing variable name at erasing time efi_pstore: Add a format check for an existing variable name at reading time efi_pstore: Add a sequence counter to a variable name efi_pstore: Add ctime to argument of erase callback efi_pstore: Remove a logic erasing entries from a write callback to hold multiple logs efi_pstore: Add a logic erasing entries to an erase callback efi_pstore: Check remaining space with QueryVariableInfo() before writing data |
||
|
Linus Torvalds
|
70f2836d02 |
Miscellaneous ia64 fix for 3.8. Just need to avoid a pending
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||
|
Linus Torvalds
|
97ebe8f55a |
Main AArch64 changes:
- Generic execve, kernel_thread, fork/vfork/clone.
- Preparatory patches for KVM support (initialising EL2 mode for later
installing KVM support, hypervisor stub).
- Signal handling corner case fix (alternative signal stack set up for a
SEGV handler, which is raised in response to RLIMIT_STACK being
reached).
- Sub-nanosecond timer error fix.
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Merge tag 'arm64-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64
Pull ARM64 updates from Catalin Marinas:
- Generic execve, kernel_thread, fork/vfork/clone.
- Preparatory patches for KVM support (initialising EL2 mode for later
installing KVM support, hypervisor stub).
- Signal handling corner case fix (alternative signal stack set up for
a SEGV handler, which is raised in response to RLIMIT_STACK being
reached).
- Sub-nanosecond timer error fix.
* tag 'arm64-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64: (30 commits)
arm64: Update the MAINTAINERS entry
arm64: compat for clock_adjtime(2) is miswired
arm64: move FP-SIMD save/restore code to a macro
arm64: hyp: initialize vttbr_el2 to zero
arm64: add hypervisor stub
arm64: record boot mode when entering the kernel
arm64: move vector entry macro to assembler.h
arm64: add AArch32 execution modes to ptrace.h
arm64: expand register mapping between AArch32 and AArch64
arm64: generic timer: use virtual counter instead of physical at EL0
arm64: vdso: defer shifting of nanosecond component of timespec
arm64: vdso: rework __do_get_tspec register allocation and return shift
arm64: vdso: check sequence counter even for coarse realtime operations
arm64: vdso: fix clocksource mask when extracting bottom 56 bits
ARM64: Remove incorrect Kconfig symbol HAVE_SPARSE_IRQ
Documentation: Fixes a word in Documentation/arm64/memory.txt
arm64: Make !dirty ptes read-only
arm64: Convert empty flush_cache_{mm,page} functions to static inline
arm64: signal: let the compiler inline compat_get_sigframe
arm64: signal: return struct rt_sigframe from get_sigframe
...
Conflicts:
arch/arm64/include/asm/unistd32.h
|
||
|
Linus Torvalds
|
d07e43d70e |
Merge branch 'omap-serial' of git://git.linaro.org/people/rmk/linux-arm
Pull ARM OMAP serial updates from Russell King: "This series is a major reworking of the OMAP serial driver code fixing various bugs in the hardware-assisted flow control, extending up into serial_core for a couple of issues. These fixes have been done as a set of progressive changes and transformations in the hope that no new bugs will be introduced by this series. The problems are many-fold, from the driver not being informed about updated settings, to the driver not knowing what the intentions of the upper layers are. The first four patches tackle the serial_core layer, allowing it to provide the necessary information to drivers, and the remaining patches allow the OMAP serial driver to take advantage of this. This brings hardware assisted RTS/CTS and XON/OFF flow control into a useful state. These patches have been in linux-next for most of the last cycle; indeed they predate the previous merge window. They've also been posted to the OMAP people." * 'omap-serial' of git://git.linaro.org/people/rmk/linux-arm: (21 commits) SERIAL: omap: fix hardware assisted flow control SERIAL: omap: simplify (2) SERIAL: omap: move xon/xoff setting earlier SERIAL: omap: always set TCR SERIAL: omap: simplify SERIAL: omap: don't read back LCR/MCR/EFR SERIAL: omap: serial_omap_configure_xonxoff() contents into set_termios SERIAL: omap: configure xon/xoff before setting modem control lines SERIAL: omap: remove OMAP_UART_SYSC_RESET and OMAP_UART_FIFO_CLR SERIAL: omap: move driver private definitions and structures to driver SERIAL: omap: remove 'irq_pending' bitfield SERIAL: omap: fix MCR TCRTLR bit handling SERIAL: omap: fix set_mctrl() breakage SERIAL: omap: no need to re-read EFR SERIAL: omap: remove setting of EFR SCD bit SERIAL: omap: allow hardware assisted IXANY mode to be disabled SERIAL: omap: allow hardware assisted rts/cts modes to be disabled SERIAL: core: add throttle/unthrottle callbacks for hardware assisted flow control SERIAL: core: add hardware assisted h/w flow control support SERIAL: core: add hardware assisted s/w flow control support ... Conflicts: drivers/tty/serial/omap-serial.c |
||
Zhang Rui
|
1f53ef17d3 |
Thermal: Fix DEFAULT_THERMAL_GOVERNOR
Fix DEFAULT_THERMAL_GOVERNOR to be consistant with the default governor selected in kernel config file. Signed-off-by: Zhang Rui <rui.zhang@intel.com> |
||
|
Zhang Rui
|
d567c686ae |
Thermal: fix a NULL pointer dereference when generic thermal layer is built as a module
[ 12.761956] BUG: unable to handle kernel NULL pointer dereference at 0000000000000018 [ 12.762016] IP: [<ffffffffa0005277>] handle_thermal_trip+0x47/0x130 [thermal_sys] [ 12.762060] PGD 1fec74067 PUD 1fee5b067 PMD 0 [ 12.762127] Oops: 0000 [#1] SMP [ 12.762177] Modules linked in: hid_generic crc32c_intel usbhid hid firewire_ohci(+) e1000e(+) firewire_core crc_itu_t xhci_hcd(+) thermal(+) fan thermal_sys hwmon [ 12.762423] CPU 1 [ 12.762443] Pid: 187, comm: modprobe Tainted: G A 3.7.0-thermal-module+ #25 /DH77DF [ 12.762496] RIP: 0010:[<ffffffffa0005277>] [<ffffffffa0005277>] handle_thermal_trip+0x47/0x130 [thermal_sys] [ 12.762682] RSP: 0018:ffff8801fe7ddc18 EFLAGS: 00010282 [ 12.762704] RAX: 0000000000000000 RBX: ffff8801ff3e9c00 RCX: ffff8801fdc39800 [ 12.762728] RDX: ffff8801fe7ddc24 RSI: 0000000000000001 RDI: ffff8801ff3e9c00 [ 12.762764] RBP: ffff8801fe7ddc48 R08: 0000000004000000 R09: ffffffffa001f568 [ 12.762797] R10: ffffffff81363083 R11: 0000000000000001 R12: 0000000000000001 [ 12.762832] R13: 0000000000000000 R14: 0000000000000001 R15: ffff8801fde73e68 [ 12.762866] FS: 00007f5548516700(0000) GS:ffff88021f240000(0000) knlGS:0000000000000000 [ 12.762912] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 12.762946] CR2: 0000000000000018 CR3: 00000001fefe2000 CR4: 00000000001407e0 [ 12.762979] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 12.763014] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 12.763048] Process modprobe (pid: 187, threadinfo ffff8801fe7dc000, task ffff8801fe5bdb40) [ 12.763095] Stack: [ 12.763122] 0000000000019640 00000000fdc39800 ffff8801fe7ddc48 ffff8801ff3e9c00 [ 12.763225] 0000000000000002 0000000000000000 ffff8801fe7ddc78 ffffffffa00053e7 [ 12.763338] ffff8801ff3e9c00 0000000000006c98 ffffffffa0007480 ffff8801ff3e9c00 [ 12.763440] Call Trace: [ 12.763470] [<ffffffffa00053e7>] thermal_zone_device_update+0x77/0xa0 [thermal_sys] [ 12.763515] [<ffffffffa0006d38>] thermal_zone_device_register+0x788/0xa88 [thermal_sys] [ 12.763562] [<ffffffffa001f394>] acpi_thermal_add+0x360/0x4c8 [thermal] [ 12.763598] [<ffffffff8133902a>] acpi_device_probe+0x50/0x190 [ 12.763632] [<ffffffff811bd793>] ? sysfs_create_link+0x13/0x20 [ 12.763666] [<ffffffff813cc41b>] driver_probe_device+0x7b/0x240 [ 12.763699] [<ffffffff813cc68b>] __driver_attach+0xab/0xb0 [ 12.763732] [<ffffffff813cc5e0>] ? driver_probe_device+0x240/0x240 [ 12.763766] [<ffffffff813ca836>] bus_for_each_dev+0x56/0x90 [ 12.763799] [<ffffffff813cbf4e>] driver_attach+0x1e/0x20 [ 12.763831] [<ffffffff813cbac0>] bus_add_driver+0x190/0x290 [ 12.763864] [<ffffffffa0022000>] ? 0xffffffffa0021fff [ 12.763896] [<ffffffff813ccbea>] driver_register+0x7a/0x160 [ 12.763928] [<ffffffffa0022000>] ? 0xffffffffa0021fff [ 12.763960] [<ffffffff813399fb>] acpi_bus_register_driver+0x43/0x45 [ 12.763995] [<ffffffffa002203a>] acpi_thermal_init+0x3a/0x42 [thermal] [ 12.764029] [<ffffffff8100207f>] do_one_initcall+0x3f/0x170 [ 12.764063] [<ffffffff810b1a5f>] sys_init_module+0x8f/0x200 [ 12.764097] [<ffffffff815ff259>] system_call_fastpath+0x16/0x1b [ 12.764129] Code: 48 8b 87 c8 02 00 00 41 89 f4 48 8d 55 dc ff 50 28 44 8b 6d dc 41 8d 45 fe 83 f8 01 76 5e 48 8b 83 d8 02 00 00 44 89 e6 48 89 df <ff> 50 18 4c 8d a3 10 03 00 00 4c 89 e7 e8 87 f1 5e e1 8b 83 bc [ 12.765164] RIP [<ffffffffa0005277>] handle_thermal_trip+0x47/0x130 [thermal_sys] [ 12.765223] RSP <ffff8801fe7ddc18> [ 12.765252] CR2: 0000000000000018 [ 12.765284] ---[ end trace 7723294cdfb00d2a ]--- This is because thermal_zone_device_update() is invoked before any thermal governors being registered. Signed-off-by: Zhang Rui <rui.zhang@intel.com> |
||
|
Linus Torvalds
|
1ebaf4f4e6 |
Merge branch 'x86-timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 timer update from Ingo Molnar: "This tree includes HPET fixes and also implements a calibration-free, TSC match driven APIC timer interrupt mode: 'TSC deadline mode' supported in SandyBridge and later CPUs." * 'x86-timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86: hpet: Fix inverted return value check in arch_setup_hpet_msi() x86: hpet: Fix masking of MSI interrupts x86: apic: Use tsc deadline for oneshot when available |
||
|
Linus Torvalds
|
743aa456c1 |
Merge branch 'x86-nuke386-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull "Nuke 386-DX/SX support" from Ingo Molnar:
"This tree removes ancient-386-CPUs support and thus zaps quite a bit
of complexity:
24 files changed, 56 insertions(+), 425 deletions(-)
... which complexity has plagued us with extra work whenever we wanted
to change SMP primitives, for years.
Unfortunately there's a nostalgic cost: your old original 386 DX33
system from early 1991 won't be able to boot modern Linux kernels
anymore. Sniff."
I'm not sentimental. Good riddance.
* 'x86-nuke386-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86, 386 removal: Document Nx586 as a 386 and thus unsupported
x86, cleanups: Simplify sync_core() in the case of no CPUID
x86, 386 removal: Remove CONFIG_X86_POPAD_OK
x86, 386 removal: Remove CONFIG_X86_WP_WORKS_OK
x86, 386 removal: Remove CONFIG_INVLPG
x86, 386 removal: Remove CONFIG_BSWAP
x86, 386 removal: Remove CONFIG_XADD
x86, 386 removal: Remove CONFIG_CMPXCHG
x86, 386 removal: Remove CONFIG_M386 from Kconfig
|
||
|
Linus Torvalds
|
a05a4e24dc |
Merge branch 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 topology discovery improvements from Ingo Molnar: "These changes improve topology discovery on AMD CPUs. Right now this feeds information displayed in /sys/devices/system/cpu/cpuX/cache/indexY/* - but in the future we could use this to set up a better scheduling topology." * 'x86-cpu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, cacheinfo: Base cache sharing info on CPUID 0x8000001d on AMD x86, cacheinfo: Make use of CPUID 0x8000001d for cache information on AMD x86, cacheinfo: Determine number of cache leafs using CPUID 0x8000001d on AMD x86: Add cpu_has_topoext |
||
|
Linus Torvalds
|
e9a5a91971 |
Merge branch 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 cleanups from Ingo Molnar: "Small cleanups." * 'x86-cleanups-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86: Fix the error of using "const" in gen-insn-attr-x86.awk x86, apic: Cleanup cfg->domain setup for legacy interrupts x86: Remove dead hlt_use_halt code |
||
|
Linus Torvalds
|
74b8423345 |
Merge branch 'x86-bsp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 BSP hotplug changes from Ingo Molnar: "This tree enables CPU#0 (the boot processor) to be onlined/offlined on x86, just like any other CPU. Enabled on Intel CPUs for now. Allowing this required the identification and fixing of latent CPU#0 assumptions (such as CPU#0 initializations, etc.) in the x86 architecture code, plus the identification of barriers to BSP-offlining, such as active PIC interrupts which can only be serviced on the BSP. It's behind a default-off option, and there's a debug option that allows the automatic testing of this feature. The motivation of this feature is to allow and prepare for true CPU-hotplug hardware support: recent changes to MCE support enable us to detect a deteriorating but not yet hard-failing L1/L2 cache on a CPU that could be soft-unplugged - or a failing L3 cache on a multi-socket system. Note that true hardware hot-plug is not yet fully enabled by this, because that requires a special platform wakeup sequence to be sent to the freshly powered up CPU#0. Future patches for this are planned, once such a platform exists. Chicken and egg" * 'x86-bsp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86, topology: Debug CPU0 hotplug x86/i387.c: Initialize thread xstate only on CPU0 only once x86, hotplug: Handle retrigger irq by the first available CPU x86, hotplug: The first online processor saves the MTRR state x86, hotplug: During CPU0 online, enable x2apic, set_numa_node. x86, hotplug: Wake up CPU0 via NMI instead of INIT, SIPI, SIPI x86-32, hotplug: Add start_cpu0() entry point to head_32.S x86-64, hotplug: Add start_cpu0() entry point to head_64.S kernel/cpu.c: Add comment for priority in cpu_hotplug_pm_callback x86, hotplug, suspend: Online CPU0 for suspend or hibernate x86, hotplug: Support functions for CPU0 online/offline x86, topology: Don't offline CPU0 if any PIC irq can not be migrated out of it x86, Kconfig: Add config switch for CPU0 hotplug doc: Add x86 CPU0 online/offline feature |
||
|
Linus Torvalds
|
5074474737 |
Merge branch 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 boot changes from Ingo Molnar: "Two small changes: a cleanup and allow CONFIG_X86_MPPARSE to be turned off on SFI as well." * 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: arch/x86/Kconfig: Allow turning off CONFIG_X86_MPPARSE when either ACPI or SFI is present x86/boot/doc: Fix grammar and typo in boot.txt |
||
|
Linus Torvalds
|
0019fab355 |
Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 asm changes from Ingo Molnar: "Two fixlets and a cleanup." * 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86_32: Return actual stack when requesting sp from regs x86: Don't clobber top of pt_regs in nested NMI x86/asm: Clean up copy_page_*() comments and code |
||
|
Linus Torvalds
|
b64c5fda38 |
Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull core timer changes from Ingo Molnar: "It contains continued generic-NOHZ work by Frederic and smaller cleanups." * 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: time: Kill xtime_lock, replacing it with jiffies_lock clocksource: arm_generic: use this_cpu_ptr per-cpu helper clocksource: arm_generic: use integer math helpers time/jiffies: Make clocksource_jiffies static clocksource: clean up parse_pmtmr() tick: Correct the comments for tick_sched_timer() tick: Conditionally build nohz specific code in tick handler tick: Consolidate tick handling for high and low res handlers tick: Consolidate timekeeping handling code |
||
|
Linus Torvalds
|
f57d54bab6 |
Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull scheduler updates from Ingo Molnar: "The biggest change affects group scheduling: we now track the runnable average on a per-task entity basis, allowing a smoother, exponential decay average based load/weight estimation instead of the previous binary on-the-runqueue/off-the-runqueue load weight method. This will inevitably disturb workloads that were in some sort of borderline balancing state or unstable equilibrium, so an eye has to be kept on regressions. For that reason the new load average is only limited to group scheduling (shares distribution) at the moment (which was also hurting the most from the prior, crude weight calculation and whose scheduling quality wins most from this change) - but we plan to extend this to regular SMP balancing as well in the future, which will simplify and speed up things a bit. Other changes involve ongoing preparatory work to extend NOHZ to the scheduler as well, eventually allowing completely irq-free user-space execution." * 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (33 commits) Revert "sched/autogroup: Fix crash on reboot when autogroup is disabled" cputime: Comment cputime's adjusting code cputime: Consolidate cputime adjustment code cputime: Rename thread_group_times to thread_group_cputime_adjusted cputime: Move thread_group_cputime() to sched code vtime: Warn if irqs aren't disabled on system time accounting APIs vtime: No need to disable irqs on vtime_account() vtime: Consolidate a bit the ctx switch code vtime: Explicitly account pending user time on process tick vtime: Remove the underscore prefix invasion sched/autogroup: Fix crash on reboot when autogroup is disabled cputime: Separate irqtime accounting from generic vtime cputime: Specialize irq vtime hooks kvm: Directly account vtime to system on guest switch vtime: Make vtime_account_system() irqsafe vtime: Gather vtime declarations to their own header file sched: Describe CFS load-balancer sched: Introduce temporary FAIR_GROUP_SCHED dependency for load-tracking sched: Make __update_entity_runnable_avg() fast sched: Update_cfs_shares at period edge ... |
||
|
Linus Torvalds
|
da830e589a |
Merge branch 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf fixes from Ingo Molnar: "These are late-v3.7 pending fixes for tracing." Fix up trivial conflict in kernel/trace/ring_buffer.c: the NULL pointer fix clashed with the change of type of the 'ret' variable. * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: ring-buffer: Fix race between integrity check and readers ring-buffer: Fix NULL pointer if rb_set_head_page() fails ftrace: Clear bits properly in reset_iter_read() |
||
|
Linus Torvalds
|
090f8ccba3 |
Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull perf updates from Ingo Molnar:
"Lots of activity:
211 files changed, 8328 insertions(+), 4116 deletions(-)
most of it on the tooling side.
Main changes:
* ftrace enhancements and fixes from Steve Rostedt.
* uprobes fixes, cleanups and preparation for the ARM port from Oleg
Nesterov.
* UAPI fixes, from David Howels - prepares the arch/x86 UAPI
transition
* Separate perf tests into multiple objects, one per test, from Jiri
Olsa.
* Make hardware event translations available in sysfs, from Jiri
Olsa.
* Fixes to /proc/pid/maps parsing, preparatory to supporting data
maps, from Namhyung Kim
* Implement ui_progress for GTK, from Namhyung Kim
* Add framework for automated perf_event_attr tests, where tools with
different command line options will be run from a 'perf test', via
python glue, and the perf syscall will be intercepted to verify
that the perf_event_attr fields set by the tool are those expected,
from Jiri Olsa
* Add a 'link' method for hists, so that we can have the leader with
buckets for all the entries in all the hists. This new method is
now used in the default 'diff' output, making the sum of the
'baseline' column be 100%, eliminating blind spots.
* libtraceevent fixes for compiler warnings trying to make perf it
build on some distros, like fedora 14, 32-bit, some of the warnings
really pointed to real bugs.
* Add a browser for 'perf script' and make it available from the
report and annotate browsers. It does filtering to find the
scripts that handle events found in the perf.data file used. From
Feng Tang
* perf inject changes to allow showing where a task sleeps, from
Andrew Vagin.
* Makefile improvements from Namhyung Kim.
* Add --pre and --post command hooks in 'stat', from Peter Zijlstra.
* Don't stop synthesizing threads when one vanishes, this is for the
existing threads when we start a tool like trace.
* Use sched:sched_stat_runtime to provide a thread summary, this
produces the same output as the 'trace summary' subcommand of
tglx's original "trace" tool.
* Support interrupted syscalls in 'trace'
* Add an event duration column and filter in 'trace'.
* There are references to the man pages in some tools, so try to
build Documentation when installing, warning the user if that is
not possible, from Borislav Petkov.
* Give user better message if precise is not supported, from David
Ahern.
* Try to find cross-built objdump path by using the session
environment information in the perf.data file header, from Irina
Tirdea, original patch and idea by Namhyung Kim.
* Diplays more output on features check for make V=1, so that one can
figure out what is happening by looking at gcc output, etc. From
Jiri Olsa.
* Add on_exit implementation for systems without one, e.g. Android,
from Bernhard Rosenkraenzer.
* Only process events for vcpus of interest, helps handling large
number of events, from David Ahern.
* Cross compilation fixes for Android, from Irina Tirdea.
* Add documentation on compiling for Android, from Irina Tirdea.
* perf diff improvements from Jiri Olsa.
* Target (task/user/cpu/syswide) handling improvements, from Namhyung
Kim.
* Add support in 'trace' for tracing workload given by command line,
from Namhyung Kim.
* ... and much more."
* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (194 commits)
uprobes: Use percpu_rw_semaphore to fix register/unregister vs dup_mmap() race
perf evsel: Introduce is_group_member method
perf powerpc: Use uapi/unistd.h to fix build error
tools: Pass the target in descend
tools: Honour the O= flag when tool build called from a higher Makefile
tools: Define a Makefile function to do subdir processing
perf ui: Always compile browser setup code
perf ui: Add ui_progress__finish()
perf ui gtk: Implement ui_progress functions
perf ui: Introduce generic ui_progress helper
perf ui tui: Move progress.c under ui/tui directory
perf tools: Add basic event modifier sanity check
perf tools: Omit group members from perf_evlist__disable/enable
perf tools: Ensure single disable call per event in record comand
perf tools: Fix 'disabled' attribute config for record command
perf tools: Fix attributes for '{}' defined event groups
perf tools: Use sscanf for parsing /proc/pid/maps
perf tools: Add gtk.<command> config option for launching GTK browser
perf tools: Fix compile error on NO_NEWT=1 build
perf hists: Initialize all of he->stat with zeroes
...
|
||
|
Linus Torvalds
|
aefb058b0c |
Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Ingo Molnar: "Affinity fixes and a nested threaded IRQ handling fix." * 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: genirq: Always force thread affinity irq: Set CPU affinity right on thread creation genirq: Provide means to retrigger parent |
||
|
Linus Torvalds
|
37ea95a959 |
Merge branch 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RCU update from Ingo Molnar:
"The major features of this tree are:
1. A first version of no-callbacks CPUs. This version prohibits
offlining CPU 0, but only when enabled via CONFIG_RCU_NOCB_CPU=y.
Relaxing this constraint is in progress, but not yet ready
for prime time. These commits were posted to LKML at
https://lkml.org/lkml/2012/10/30/724.
2. Changes to SRCU that allows statically initialized srcu_struct
structures. These commits were posted to LKML at
https://lkml.org/lkml/2012/10/30/296.
3. Restructuring of RCU's debugfs output. These commits were posted
to LKML at https://lkml.org/lkml/2012/10/30/341.
4. Additional CPU-hotplug/RCU improvements, posted to LKML at
https://lkml.org/lkml/2012/10/30/327.
Note that the commit eliminating __stop_machine() was judged to
be too-high of risk, so is deferred to 3.9.
5. Changes to RCU's idle interface, most notably a new module
parameter that redirects normal grace-period operations to
their expedited equivalents. These were posted to LKML at
https://lkml.org/lkml/2012/10/30/739.
6. Additional diagnostics for RCU's CPU stall warning facility,
posted to LKML at https://lkml.org/lkml/2012/10/30/315.
The most notable change reduces the
default RCU CPU stall-warning time from 60 seconds to 21 seconds,
so that it once again happens sooner than the softlockup timeout.
7. Documentation updates, which were posted to LKML at
https://lkml.org/lkml/2012/10/30/280.
A couple of late-breaking changes were posted at
https://lkml.org/lkml/2012/11/16/634 and
https://lkml.org/lkml/2012/11/16/547.
8. Miscellaneous fixes, which were posted to LKML at
https://lkml.org/lkml/2012/10/30/309.
9. Finally, a fix for an lockdep-RCU splat was posted to LKML
at https://lkml.org/lkml/2012/11/7/486."
* 'core-rcu-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (49 commits)
context_tracking: New context tracking susbsystem
sched: Mark RCU reader in sched_show_task()
rcu: Separate accounting of callbacks from callback-free CPUs
rcu: Add callback-free CPUs
rcu: Add documentation for the new rcuexp debugfs trace file
rcu: Update documentation for TREE_RCU debugfs tracing
rcu: Reduce default RCU CPU stall warning timeout
rcu: Fix TINY_RCU rcu_is_cpu_rrupt_from_idle check
rcu: Clarify memory-ordering properties of grace-period primitives
rcu: Add new rcutorture module parameters to start/end test messages
rcu: Remove list_for_each_continue_rcu()
rcu: Fix batch-limit size problem
rcu: Add tracing for synchronize_sched_expedited()
rcu: Remove old debugfs interfaces and also RCU flavor name
rcu: split 'rcuhier' to each flavor
rcu: split 'rcugp' to each flavor
rcu: split 'rcuboost' to each flavor
rcu: split 'rcubarrier' to each flavor
rcu: Fix tracing formatting
rcu: Remove the interface "rcudata.csv"
...
|
||
|
Linus Torvalds
|
de0c276b31 |
Merge branches 'core-locking-for-linus' and 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull trivial fix branches from Ingo Molnar. Cleanup in __get_key_name, and a timer comment fixlet. * 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: lockdep: Use KSYM_NAME_LEN'ed buffer for __get_key_name() * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: timers, sched: Correct the comments for tick_sched_timer() |
||
|
Linus Torvalds
|
608ff1a210 |
Merge branch 'akpm' (Andrew's patchbomb)
Merge misc updates from Andrew Morton: "About half of most of MM. Going very early this time due to uncertainty over the coreautounifiednumasched things. I'll send the other half of most of MM tomorrow. The rest of MM awaits a slab merge from Pekka." * emailed patches from Andrew Morton: (71 commits) memory_hotplug: ensure every online node has NORMAL memory memory_hotplug: handle empty zone when online_movable/online_kernel mm, memory-hotplug: dynamic configure movable memory and portion memory drivers/base/node.c: cleanup node_state_attr[] bootmem: fix wrong call parameter for free_bootmem() avr32, kconfig: remove HAVE_ARCH_BOOTMEM mm: cma: remove watermark hacks mm: cma: skip watermarks check for already isolated blocks in split_free_page() mm, oom: fix race when specifying a thread as the oom origin mm, oom: change type of oom_score_adj to short mm: cleanup register_node() mm, mempolicy: remove duplicate code mm/vmscan.c: try_to_freeze() returns boolean mm: introduce putback_movable_pages() virtio_balloon: introduce migration primitives to balloon pages mm: introduce compaction and migration for ballooned pages mm: introduce a common interface for balloon pages mobility mm: redefine address_space.assoc_mapping mm: adjust address_space_operations.migratepage() return code arch/sparc/kernel/sys_sparc_64.c: s/COLOUR/COLOR/ ... |