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author | Thomas Gleixner <tglx@linutronix.de> | 2017-08-28 08:47:47 +0200 |
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committer | Ingo Molnar <mingo@kernel.org> | 2017-08-29 12:07:26 +0200 |
commit | 588787fde7aa346f345e1a7600f84d88039fc9df (patch) | |
tree | a15c17ec2db8bebf39b1c8f9ffce51527218adcb /arch/x86/include/asm/desc.h | |
parent | e802a51ede91350438c051da2f238f5e8c918ead (diff) | |
download | linux-stable-588787fde7aa346f345e1a7600f84d88039fc9df.tar.gz linux-stable-588787fde7aa346f345e1a7600f84d88039fc9df.tar.bz2 linux-stable-588787fde7aa346f345e1a7600f84d88039fc9df.zip |
x86/idt: Move early IDT handler setup to IDT code
The early IDT handler setup is done in C entry code on 64-bit kernels and in
ASM entry code on 32-bit kernels.
Move the 64-bit variant to the IDT code so it can be shared with 32-bit
in the next step.
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/20170828064958.679561404@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 | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/x86/include/asm/desc.h b/arch/x86/include/asm/desc.h index 33aff45f58ea..5a3cdeb7cb03 100644 --- a/arch/x86/include/asm/desc.h +++ b/arch/x86/include/asm/desc.h @@ -504,6 +504,15 @@ static inline void load_current_idt(void) load_idt((const struct desc_ptr *)&idt_descr); } +extern void idt_setup_early_handler(void); +extern void idt_setup_early_traps(void); + +#ifdef CONFIG_X86_64 +extern void idt_setup_early_pf(void); +#else +static inline void idt_setup_early_pf(void) { } +#endif + extern void idt_invalidate(void *addr); #endif /* _ASM_X86_DESC_H */ |