Commit-ID: 7e29393b20a1a863a5f9bf48dc71e5cff4035ff5 Gitweb: http://git.kernel.org/tip/7e29393b20a1a863a5f9bf48dc71e5cff4035ff5 Author: Thomas Gleixner <[email protected]> AuthorDate: Wed, 4 Nov 2015 22:57:07 +0000 Committer: Thomas Gleixner <[email protected]> CommitDate: Thu, 5 Nov 2015 13:07:53 +0100
x86/apic: Provide default send single IPI wrapper Instead of doing the wrapping in the smp code we can provide a default wrapper for those APICs which insist on cpumasks. Signed-off-by: Thomas Gleixner <[email protected]> Reviewed-by: Ingo Molnar <[email protected]> Cc: Linus Torvalds <[email protected]> Cc: Borislav Petkov <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Mike Travis <[email protected]> Cc: Daniel J Blueman <[email protected]> Link: http://lkml.kernel.org/r/[email protected] --- arch/x86/include/asm/ipi.h | 1 + arch/x86/kernel/apic/ipi.c | 8 ++++++++ 2 files changed, 9 insertions(+) diff --git a/arch/x86/include/asm/ipi.h b/arch/x86/include/asm/ipi.h index 22998a8..cfc9a0d 100644 --- a/arch/x86/include/asm/ipi.h +++ b/arch/x86/include/asm/ipi.h @@ -119,6 +119,7 @@ static inline void native_apic_mem_write(APIC_ICR, cfg); } +extern void default_send_IPI_single(int cpu, int vector); extern void default_send_IPI_single_phys(int cpu, int vector); extern void default_send_IPI_mask_sequence_phys(const struct cpumask *mask, int vector); diff --git a/arch/x86/kernel/apic/ipi.c b/arch/x86/kernel/apic/ipi.c index 4fcffbf..eb45fc9 100644 --- a/arch/x86/kernel/apic/ipi.c +++ b/arch/x86/kernel/apic/ipi.c @@ -65,6 +65,14 @@ void default_send_IPI_mask_allbutself_phys(const struct cpumask *mask, local_irq_restore(flags); } +/* + * Helper function for APICs which insist on cpumasks + */ +void default_send_IPI_single(int cpu, int vector) +{ + apic->send_IPI_mask(cpumask_of(cpu), vector); +} + #ifdef CONFIG_X86_32 void default_send_IPI_mask_sequence_logical(const struct cpumask *mask, -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
