x86/idt: Consolidate IDT invalidation

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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>

...

This commit is contained in:

Thomas Gleixner 2017-08-28 08:47:46 +02:00 • committed by Ingo Molnar

parent 8f55868f9e

commit e802a51ede

4 changed files with 16 additions and 16 deletions

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3

arch/x86/include/asm/desc.h

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11

arch/x86/kernel/idt.c

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14

arch/x86/kernel/machine_kexec_32.c

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4

arch/x86/kernel/reboot.c

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