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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2015-11-04 22:57:00 +0000 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-11-05 13:07:51 +0100 |
| commit | 539da7877275edb21a76aa02fb2c147eff02c559 (patch) | |
| tree | 3ea82cce6b2d2e77ba3b2ec2894c40b3d65fb43a /arch/x86/include/asm/apic.h | |
| parent | 66ef3493d4bb387f5a83915e33dc893102fd1b43 (diff) | |
| download | lwn-539da7877275edb21a76aa02fb2c147eff02c559.tar.gz lwn-539da7877275edb21a76aa02fb2c147eff02c559.zip | |
x86/apic: Add a single-target IPI function to the apic
We still fall back on the "send mask" versions if an apic definition
doesn't have the single-target version, but at least this allows the
(trivial) case for the common clustered x2apic case.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
Cc: Borislav Petkov <bp@alien.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Mike Travis <travis@sgi.com>
Cc: Daniel J Blueman <daniel@numascale.com>
Link: http://lkml.kernel.org/r/20151104220848.737120838@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/include/asm/apic.h')
| -rw-r--r-- | arch/x86/include/asm/apic.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h index a30316bf801a..7f62ad47d7e4 100644 --- a/arch/x86/include/asm/apic.h +++ b/arch/x86/include/asm/apic.h @@ -303,6 +303,7 @@ struct apic { unsigned int *apicid); /* ipi */ + void (*send_IPI)(int cpu, int vector); void (*send_IPI_mask)(const struct cpumask *mask, int vector); void (*send_IPI_mask_allbutself)(const struct cpumask *mask, int vector); |