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Commit f2bffe8a authored by Thomas Gleixner's avatar Thomas Gleixner
Browse files

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

arch/x86/kernel/apic/x2apic_phys.c

+9 −0
Original line number Diff line number Diff line
@@ -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());

}



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

__x2apic_send_IPI_mask(const struct cpumask *mask, int vector, int apic_dest)

{
@@ -122,6 +130,7 @@ static struct apic apic_x2apic_phys = { 


	.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_allbutself	= x2apic_send_IPI_mask_allbutself,

	.send_IPI_allbutself		= x2apic_send_IPI_allbutself,