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| author | Paolo Bonzini <pbonzini@redhat.com> | 2021-04-22 02:39:48 -0400 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2021-04-22 13:19:01 -0400 |
| commit | fd49e8ee70b306a003323a17bbcc0633f322c135 (patch) | |
| tree | be0e5f131ee5afdbaa7a6b5fc76bb36baad8c067 /drivers/acpi/processor_idle.c | |
| parent | 238eca821cee90e91139da84ef4f38c74d7cf0d9 (diff) | |
| parent | 7aef27f0b2a8a58c28578d3e0caf3f27e1a1c39c (diff) | |
| download | linux-fd49e8ee70b306a003323a17bbcc0633f322c135.tar.gz linux-fd49e8ee70b306a003323a17bbcc0633f322c135.tar.bz2 linux-fd49e8ee70b306a003323a17bbcc0633f322c135.zip | |
Merge branch 'kvm-sev-cgroup' into HEAD
Diffstat (limited to 'drivers/acpi/processor_idle.c')
| -rw-r--r-- | drivers/acpi/processor_idle.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index d93e400940a3..768a6b4d2368 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -29,6 +29,7 @@ */ #ifdef CONFIG_X86 #include <asm/apic.h> +#include <asm/cpu.h> #endif #define _COMPONENT ACPI_PROCESSOR_COMPONENT @@ -541,6 +542,12 @@ static int acpi_idle_play_dead(struct cpuidle_device *dev, int index) wait_for_freeze(); } else return -ENODEV; + +#if defined(CONFIG_X86) && defined(CONFIG_HOTPLUG_CPU) + /* If NMI wants to wake up CPU0, start CPU0. */ + if (wakeup_cpu0()) + start_cpu0(); +#endif } /* Never reached */ |