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| author |   Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-03-27 11:32:29 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-03-27 11:32:29 -0300 |
| commit | 50953e0640b3473dcb409d5d0d938c2742c93b0d (patch) | |
| tree | 3b0dc374e61564fbbd8adff92c8fae16fdeb423a /kernel/workqueue.c | |
| parent | [media] update CARDLIST.em28xx (diff) | |
| parent | poll: add poll_requested_events() and poll_does_not_wait() functions (diff) | |
| download | linux-dev-50953e0640b3473dcb409d5d0d938c2742c93b0d.tar.xz linux-dev-50953e0640b3473dcb409d5d0d938c2742c93b0d.zip | |
Merge branch 'poll' into staging/for_v3.4
* poll: (5970 commits)
poll: add poll_requested_events() and poll_does_not_wait() functions
crc32: select an algorithm via Kconfig
crc32: add self-test code for crc32c
crypto: crc32c should use library implementation
crc32: bolt on crc32c
crc32: add note about this patchset to crc32.c
crc32: optimize loop counter for x86
crc32: add slice-by-8 algorithm to existing code
crc32: make CRC_*_BITS definition correspond to actual bit counts
crc32: fix mixing of endian-specific types
crc32: miscellaneous cleanups
crc32: simplify unit test code
crc32: move long comment about crc32 fundamentals to Documentation/
crc32: remove two instances of trailing whitespaces
checkpatch: check for quoted strings broken across lines
checkpatch: whitespace - add/remove blank lines
checkpatch: warn on use of yield()
checkpatch: add --strict tests for braces, comments and casts
checkpatch: add [] to type extensions
checkpatch: high precedence operators do not require additional parentheses in #defines
...
Diffstat (limited to 'kernel/workqueue.c')
| -rw-r--r-- | kernel/workqueue.c | 22 |
1 files changed, 3 insertions, 19 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c index f2c5638bb5ab..5abf42f63c08 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -476,13 +476,8 @@ static struct cpu_workqueue_struct *get_cwq(unsigned int cpu, struct workqueue_struct *wq) { if (!(wq->flags & WQ_UNBOUND)) { - if (likely(cpu < nr_cpu_ids)) { -#ifdef CONFIG_SMP + if (likely(cpu < nr_cpu_ids)) return per_cpu_ptr(wq->cpu_wq.pcpu, cpu); -#else - return wq->cpu_wq.single; -#endif - } } else if (likely(cpu == WORK_CPU_UNBOUND)) return wq->cpu_wq.single; return NULL; @@ -2899,13 +2894,8 @@ static int alloc_cwqs(struct workqueue_struct *wq) const size_t size = sizeof(struct cpu_workqueue_struct); const size_t align = max_t(size_t, 1 << WORK_STRUCT_FLAG_BITS, __alignof__(unsigned long long)); -#ifdef CONFIG_SMP - bool percpu = !(wq->flags & WQ_UNBOUND); -#else - bool percpu = false; -#endif - if (percpu) + if (!(wq->flags & WQ_UNBOUND)) wq->cpu_wq.pcpu = __alloc_percpu(size, align); else { void *ptr; @@ -2929,13 +2919,7 @@ static int alloc_cwqs(struct workqueue_struct *wq) static void free_cwqs(struct workqueue_struct *wq) { -#ifdef CONFIG_SMP - bool percpu = !(wq->flags & WQ_UNBOUND); -#else - bool percpu = false; -#endif - - if (percpu) + if (!(wq->flags & WQ_UNBOUND)) free_percpu(wq->cpu_wq.pcpu); else if (wq->cpu_wq.single) { /* the pointer to free is stored right after the cwq */ |