summaryrefslogtreecommitdiff
path: root/arch/x86/include/asm/desc.h
diff options
context:
space:
mode:
authorThomas Gleixner <tglx@linutronix.de>2017-08-28 08:47:47 +0200
committerIngo Molnar <mingo@kernel.org>2017-08-29 12:07:26 +0200
commit588787fde7aa346f345e1a7600f84d88039fc9df (patch)
treea15c17ec2db8bebf39b1c8f9ffce51527218adcb /arch/x86/include/asm/desc.h
parente802a51ede91350438c051da2f238f5e8c918ead (diff)
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.h9
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 */