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authorThomas Gleixner <tglx@linutronix.de>2019-07-22 20:47:30 +0200
committerThomas Gleixner <tglx@linutronix.de>2019-07-25 16:12:02 +0200
commit43931d350f30c6cd8c2f498d54ef7d65750abc92 (patch)
tree47f3517ac4272325325b2f1d474dd2a270c12bd3 /arch/x86/kernel/apic/x2apic_cluster.c
parentx86/apic/flat64: Remove the IPI shorthand decision logic (diff)
downloadlinux-dev-43931d350f30c6cd8c2f498d54ef7d65750abc92.tar.xz
linux-dev-43931d350f30c6cd8c2f498d54ef7d65750abc92.zip
x86/apic/x2apic: Implement IPI shorthands support
All callers of apic->send_IPI_all() and apic->send_IPI_allbutself() contain the decision logic for shorthand invocation already and invoke send_IPI_mask() if the prereqisites are not satisfied. Implement shorthand support for x2apic. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lkml.kernel.org/r/20190722105221.134696837@linutronix.de
Diffstat (limited to 'arch/x86/kernel/apic/x2apic_cluster.c')
-rw-r--r--arch/x86/kernel/apic/x2apic_cluster.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kernel/apic/x2apic_cluster.c b/arch/x86/kernel/apic/x2apic_cluster.c
index d0a13c88f777..45e92cba92f5 100644
--- a/arch/x86/kernel/apic/x2apic_cluster.c
+++ b/arch/x86/kernel/apic/x2apic_cluster.c
@@ -82,12 +82,12 @@ x2apic_send_IPI_mask_allbutself(const struct cpumask *mask, int vector)
static void x2apic_send_IPI_allbutself(int vector)
{
- __x2apic_send_IPI_mask(cpu_online_mask, vector, APIC_DEST_ALLBUT);
+ __x2apic_send_IPI_shorthand(vector, APIC_DEST_ALLBUT);
}
static void x2apic_send_IPI_all(int vector)
{
- __x2apic_send_IPI_mask(cpu_online_mask, vector, APIC_DEST_ALLINC);
+ __x2apic_send_IPI_shorthand(vector, APIC_DEST_ALLINC);
}
static u32 x2apic_calc_apicid(unsigned int cpu)