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| author | Thomas Gleixner <tglx@linutronix.de> | 2017-06-20 01:37:42 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2017-06-22 18:21:21 +0200 |
| commit | 52b166af40faec9813cd5ac26d6ba9adec2e3a9d (patch) | |
| tree | ba7db235f86582734cc1f24659994d1ec0014368 /arch/x86/kernel/apic/vector.c | |
| parent | bbcf9574bc6fb85d22f2718d48da7f98830a7870 (diff) | |
| download | op-kernel-dev-52b166af40faec9813cd5ac26d6ba9adec2e3a9d.zip op-kernel-dev-52b166af40faec9813cd5ac26d6ba9adec2e3a9d.tar.gz | |
x86/apic: Move online masking to core code
All implementations of apic->cpu_mask_to_apicid_and() mask out the offline
cpus. The callsite already has a mask available, which has the offline CPUs
removed. Use that and remove the extra bits.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Keith Busch <keith.busch@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Christoph Hellwig <hch@lst.de>
Link: http://lkml.kernel.org/r/20170619235446.560868224@linutronix.de
Diffstat (limited to 'arch/x86/kernel/apic/vector.c')
| -rw-r--r-- | arch/x86/kernel/apic/vector.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c index 47c5d01..0f94ddb 100644 --- a/arch/x86/kernel/apic/vector.c +++ b/arch/x86/kernel/apic/vector.c @@ -221,8 +221,11 @@ success: * Cache destination APIC IDs into cfg->dest_apicid. This cannot fail * as we already established, that mask & d->domain & cpu_online_mask * is not empty. + * + * vector_searchmask is a subset of d->domain and has the offline + * cpus masked out. */ - BUG_ON(apic->cpu_mask_to_apicid_and(mask, d->domain, + BUG_ON(apic->cpu_mask_to_apicid_and(mask, vector_searchmask, &d->cfg.dest_apicid)); return 0; } |
