Commit 7b6ce46c authored by Linus Torvalds's avatar Linus Torvalds Committed by Thomas Gleixner

x86/apic: Implement single target IPI function for x2apic_cluster

[ tglx: Split it out from the patch which provides the new callback ]
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
Reviewed-by: default avatarIngo Molnar <mingo@kernel.org>
Cc: Borislav Petkov <bp@alien8.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/20151104220848.817975597@linutronix.deSigned-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
parent 539da787
...@@ -23,6 +23,14 @@ static inline u32 x2apic_cluster(int cpu) ...@@ -23,6 +23,14 @@ static inline u32 x2apic_cluster(int cpu)
return per_cpu(x86_cpu_to_logical_apicid, cpu) >> 16; return per_cpu(x86_cpu_to_logical_apicid, cpu) >> 16;
} }
static void x2apic_send_IPI(int cpu, int vector)
{
u32 dest = per_cpu(x86_cpu_to_logical_apicid, cpu);
x2apic_wrmsr_fence();
__x2apic_send_IPI_dest(dest, vector, APIC_DEST_LOGICAL);
}
static void static void
__x2apic_send_IPI_mask(const struct cpumask *mask, int vector, int apic_dest) __x2apic_send_IPI_mask(const struct cpumask *mask, int vector, int apic_dest)
{ {
...@@ -266,6 +274,7 @@ static struct apic apic_x2apic_cluster = { ...@@ -266,6 +274,7 @@ static struct apic apic_x2apic_cluster = {
.cpu_mask_to_apicid_and = x2apic_cpu_mask_to_apicid_and, .cpu_mask_to_apicid_and = x2apic_cpu_mask_to_apicid_and,
.send_IPI = x2apic_send_IPI,
.send_IPI_mask = x2apic_send_IPI_mask, .send_IPI_mask = x2apic_send_IPI_mask,
.send_IPI_mask_allbutself = x2apic_send_IPI_mask_allbutself, .send_IPI_mask_allbutself = x2apic_send_IPI_mask_allbutself,
.send_IPI_allbutself = x2apic_send_IPI_allbutself, .send_IPI_allbutself = x2apic_send_IPI_allbutself,
......
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