diff options
| author |   Thomas Gleixner <tglx@linutronix.de> | 2017-08-28 08:47:46 +0200 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2017-08-29 12:07:26 +0200 |
| commit | e802a51ede91350438c051da2f238f5e8c918ead (patch) | |
| tree | c8ee5daacc00a9181961476d72e0387229fb2295 /arch/x86/kernel/reboot.c | |
| parent | x86/idt: Remove unused set_trap_gate() (diff) | |
| download | linux-dev-e802a51ede91350438c051da2f238f5e8c918ead.tar.xz linux-dev-e802a51ede91350438c051da2f238f5e8c918ead.zip | |
x86/idt: Consolidate IDT invalidation
kexec and reboot have both code to invalidate IDT. Create a common function
and use it.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Link: http://lkml.kernel.org/r/20170828064958.600953282@linutronix.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/reboot.c')
| -rw-r--r-- | arch/x86/kernel/reboot.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c index a56bf6051f4e..54984b142641 100644 --- a/arch/x86/kernel/reboot.c +++ b/arch/x86/kernel/reboot.c @@ -38,8 +38,6 @@ void (*pm_power_off)(void); EXPORT_SYMBOL(pm_power_off); -static const struct desc_ptr no_idt = {}; - /* * This is set if we need to go through the 'emergency' path. * When machine_emergency_restart() is called, we may be on @@ -638,7 +636,7 @@ static void native_machine_emergency_restart(void) break; case BOOT_TRIPLE: - load_idt(&no_idt); + idt_invalidate(NULL); __asm__ __volatile__("int3"); /* We're probably dead after this, but... */ |