diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-23 21:37:44 -0400 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-07-23 21:37:44 -0400 |
commit | 26dcce0fabbef75ae426461edf21b5030bad60f3 (patch) | |
tree | 56c64fa47dc29f7ea5a8fd0cab0459fb0a05a2bc /lib | |
parent | d7b6de14a0ef8a376f9d57b867545b47302b7bfb (diff) | |
parent | eb6a12c2428d21a9f3e0f1a50e927d5fd80fc3d0 (diff) |
Merge branch 'cpus4096-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'cpus4096-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (31 commits)
NR_CPUS: Replace NR_CPUS in speedstep-centrino.c
cpumask: Provide a generic set of CPUMASK_ALLOC macros, FIXUP
NR_CPUS: Replace NR_CPUS in cpufreq userspace routines
NR_CPUS: Replace per_cpu(..., smp_processor_id()) with __get_cpu_var
NR_CPUS: Replace NR_CPUS in arch/x86/kernel/genapic_flat_64.c
NR_CPUS: Replace NR_CPUS in arch/x86/kernel/genx2apic_uv_x.c
NR_CPUS: Replace NR_CPUS in arch/x86/kernel/cpu/proc.c
NR_CPUS: Replace NR_CPUS in arch/x86/kernel/cpu/mcheck/mce_64.c
cpumask: Optimize cpumask_of_cpu in lib/smp_processor_id.c, fix
cpumask: Use optimized CPUMASK_ALLOC macros in the centrino_target
cpumask: Provide a generic set of CPUMASK_ALLOC macros
cpumask: Optimize cpumask_of_cpu in lib/smp_processor_id.c
cpumask: Optimize cpumask_of_cpu in kernel/time/tick-common.c
cpumask: Optimize cpumask_of_cpu in drivers/misc/sgi-xp/xpc_main.c
cpumask: Optimize cpumask_of_cpu in arch/x86/kernel/ldt.c
cpumask: Optimize cpumask_of_cpu in arch/x86/kernel/io_apic_64.c
cpumask: Replace cpumask_of_cpu with cpumask_of_cpu_ptr
Revert "cpumask: introduce new APIs"
cpumask: make for_each_cpu_mask a bit smaller
net: Pass reference to cpumask variable in net/sunrpc/svc.c
...
Fix up trivial conflicts in drivers/cpufreq/cpufreq.c manually
Diffstat (limited to 'lib')
-rw-r--r-- | lib/cpumask.c | 9 | ||||
-rw-r--r-- | lib/smp_processor_id.c | 6 |
2 files changed, 12 insertions, 3 deletions
diff --git a/lib/cpumask.c b/lib/cpumask.c index bb4f76d3c3e7..5f97dc25ef9c 100644 --- a/lib/cpumask.c +++ b/lib/cpumask.c | |||
@@ -15,6 +15,15 @@ int __next_cpu(int n, const cpumask_t *srcp) | |||
15 | } | 15 | } |
16 | EXPORT_SYMBOL(__next_cpu); | 16 | EXPORT_SYMBOL(__next_cpu); |
17 | 17 | ||
18 | #if NR_CPUS > 64 | ||
19 | int __next_cpu_nr(int n, const cpumask_t *srcp) | ||
20 | { | ||
21 | return min_t(int, nr_cpu_ids, | ||
22 | find_next_bit(srcp->bits, nr_cpu_ids, n+1)); | ||
23 | } | ||
24 | EXPORT_SYMBOL(__next_cpu_nr); | ||
25 | #endif | ||
26 | |||
18 | int __any_online_cpu(const cpumask_t *mask) | 27 | int __any_online_cpu(const cpumask_t *mask) |
19 | { | 28 | { |
20 | int cpu; | 29 | int cpu; |
diff --git a/lib/smp_processor_id.c b/lib/smp_processor_id.c index 3b4dc098181e..c4381d9516f6 100644 --- a/lib/smp_processor_id.c +++ b/lib/smp_processor_id.c | |||
@@ -11,7 +11,7 @@ notrace unsigned int debug_smp_processor_id(void) | |||
11 | { | 11 | { |
12 | unsigned long preempt_count = preempt_count(); | 12 | unsigned long preempt_count = preempt_count(); |
13 | int this_cpu = raw_smp_processor_id(); | 13 | int this_cpu = raw_smp_processor_id(); |
14 | cpumask_t this_mask; | 14 | cpumask_of_cpu_ptr_declare(this_mask); |
15 | 15 | ||
16 | if (likely(preempt_count)) | 16 | if (likely(preempt_count)) |
17 | goto out; | 17 | goto out; |
@@ -23,9 +23,9 @@ notrace unsigned int debug_smp_processor_id(void) | |||
23 | * Kernel threads bound to a single CPU can safely use | 23 | * Kernel threads bound to a single CPU can safely use |
24 | * smp_processor_id(): | 24 | * smp_processor_id(): |
25 | */ | 25 | */ |
26 | this_mask = cpumask_of_cpu(this_cpu); | 26 | cpumask_of_cpu_ptr_next(this_mask, this_cpu); |
27 | 27 | ||
28 | if (cpus_equal(current->cpus_allowed, this_mask)) | 28 | if (cpus_equal(current->cpus_allowed, *this_mask)) |
29 | goto out; | 29 | goto out; |
30 | 30 | ||
31 | /* | 31 | /* |