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| author | Thomas Gleixner <tglx@linutronix.de> | 2019-07-22 20:47:23 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2019-07-25 16:12:00 +0200 |
| commit | 22ca7ee933a39f542ff6f81fc64f8036eff56519 (patch) | |
| tree | eb53bd053af83574b3c3f9424b8fe0385a1df4c2 /arch/x86/kernel/reboot.c | |
| parent | 6a1cb5f5c6413222b8532722562dd1edb5fdfd38 (diff) | |
| download | linux-22ca7ee933a39f542ff6f81fc64f8036eff56519.tar.bz2 | |
x86/apic: Provide and use helper for send_IPI_allbutself()
To support IPI shorthands wrap invocations of apic->send_IPI_allbutself()
in a helper function, so the static key controlling the shorthand mode is
only in one place.
Fixup all callers.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20190722105220.492691679@linutronix.de
Diffstat (limited to 'arch/x86/kernel/reboot.c')
| -rw-r--r-- | arch/x86/kernel/reboot.c | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c index 09d6bded3c1e..0cc7c0b106bb 100644 --- a/arch/x86/kernel/reboot.c +++ b/arch/x86/kernel/reboot.c @@ -828,11 +828,6 @@ static int crash_nmi_callback(unsigned int val, struct pt_regs *regs) return NMI_HANDLED; } -static void smp_send_nmi_allbutself(void) -{ - apic->send_IPI_allbutself(NMI_VECTOR); -} - /* * Halt all other CPUs, calling the specified function on each of them * @@ -861,7 +856,7 @@ void nmi_shootdown_cpus(nmi_shootdown_cb callback) */ wmb(); - smp_send_nmi_allbutself(); + apic_send_IPI_allbutself(NMI_VECTOR); /* Kick CPUs looping in NMI context. */ WRITE_ONCE(crash_ipi_issued, 1); |