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author | Thomas Gleixner <tglx@linutronix.de> | 2017-08-28 08:47:46 +0200 |
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committer | Ingo Molnar <mingo@kernel.org> | 2017-08-29 12:07:26 +0200 |
commit | e802a51ede91350438c051da2f238f5e8c918ead (patch) | |
tree | c8ee5daacc00a9181961476d72e0387229fb2295 /arch/x86/include/asm/desc.h | |
parent | 8f55868f9e42fea56021b17421914b9e4fda4960 (diff) | |
download | linux-stable-e802a51ede91350438c051da2f238f5e8c918ead.tar.gz linux-stable-e802a51ede91350438c051da2f238f5e8c918ead.tar.bz2 linux-stable-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/include/asm/desc.h')
-rw-r--r-- | arch/x86/include/asm/desc.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/include/asm/desc.h b/arch/x86/include/asm/desc.h index 51b3d480d0b6..33aff45f58ea 100644 --- a/arch/x86/include/asm/desc.h +++ b/arch/x86/include/asm/desc.h @@ -503,4 +503,7 @@ static inline void load_current_idt(void) else load_idt((const struct desc_ptr *)&idt_descr); } + +extern void idt_invalidate(void *addr); + #endif /* _ASM_X86_DESC_H */ |