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lineage_android_kernel_xiaomi_sdm845
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[PATCH] x86_64: Use for_each_cpu_mask for clustered IPI flush 

Makes it slightly more efficient.

Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Andi Kleen 2005-07-28 21:15:25 -07:00 committed by Linus Torvalds
parent acc7b6f01c
commit 74f0629397
1 changed files with 18 additions and 21 deletions
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5
include/asm-x86_64/ipi.h
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@ -82,9 +82,7 @@ static inline void send_IPI_mask_sequence(cpumask_t mask, int vector)
*/ */
local_irq_save(flags); local_irq_save(flags);
for (query_cpu = 0; query_cpu < NR_CPUS; ++query_cpu) { for_each_cpu_mask(query_cpu, mask) {
if (cpu_isset(query_cpu, mask)) {
/* /*
* Wait for idle. * Wait for idle.
*/ */
@ -106,7 +104,6 @@ static inline void send_IPI_mask_sequence(cpumask_t mask, int vector)
*/ */
apic_write_around(APIC_ICR, cfg); apic_write_around(APIC_ICR, cfg);
} }
}
local_irq_restore(flags); local_irq_restore(flags);
} }