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authorThomas Gleixner <tglx@linutronix.de>2017-08-28 08:47:46 +0200
committerIngo Molnar <mingo@kernel.org>2017-08-29 12:07:26 +0200
commite802a51ede91350438c051da2f238f5e8c918ead (patch)
treec8ee5daacc00a9181961476d72e0387229fb2295 /arch/x86/include/asm
parent8f55868f9e42fea56021b17421914b9e4fda4960 (diff)
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')
-rw-r--r--arch/x86/include/asm/desc.h3
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 */

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