Commit f2bffe8a authored by Thomas Gleixner's avatar Thomas Gleixner

x86/apic: Implement single IPI for x2apic_phys

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Reviewed-by: default avatarIngo Molnar <mingo@kernel.org>
Cc: Linus Torvalds <torvalds@linux-foundation.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/20151104220849.296438009@linutronix.de
parent 5789a12e
...@@ -36,6 +36,14 @@ static int x2apic_acpi_madt_oem_check(char *oem_id, char *oem_table_id) ...@@ -36,6 +36,14 @@ static int x2apic_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
return x2apic_enabled() && (x2apic_phys || x2apic_fadt_phys()); return x2apic_enabled() && (x2apic_phys || x2apic_fadt_phys());
} }
static void x2apic_send_IPI(int cpu, int vector)
{
u32 dest = per_cpu(x86_cpu_to_apicid, cpu);
x2apic_wrmsr_fence();
__x2apic_send_IPI_dest(dest, vector, APIC_DEST_PHYSICAL);
}
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)
{ {
...@@ -122,6 +130,7 @@ static struct apic apic_x2apic_phys = { ...@@ -122,6 +130,7 @@ static struct apic apic_x2apic_phys = {
.cpu_mask_to_apicid_and = default_cpu_mask_to_apicid_and, .cpu_mask_to_apicid_and = default_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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