diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2019-07-22 20:47:30 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2019-07-25 16:12:02 +0200 |
| commit | 43931d350f30c6cd8c2f498d54ef7d65750abc92 (patch) | |
| tree | 47f3517ac4272325325b2f1d474dd2a270c12bd3 /arch/x86/kernel/apic/local.h | |
| parent | 2510d09e9dabc265341f164e0b45b2dfdcb7ef36 (diff) | |
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/local.h')
| -rw-r--r-- | arch/x86/kernel/apic/local.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/kernel/apic/local.h b/arch/x86/kernel/apic/local.h index 69ba777cef98..04797f05ce94 100644 --- a/arch/x86/kernel/apic/local.h +++ b/arch/x86/kernel/apic/local.h @@ -23,6 +23,7 @@ unsigned int x2apic_get_apic_id(unsigned long id); u32 x2apic_set_apic_id(unsigned int id); int x2apic_phys_pkg_id(int initial_apicid, int index_msb); void x2apic_send_IPI_self(int vector); +void __x2apic_send_IPI_shorthand(int vector, u32 which); /* IPI */ |