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x86/entry: Convert NMI to IDTENTRY_NMI

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Convert #NMI to IDTENTRY_NMI:
  - Implement the C entry point with DEFINE_IDTENTRY_NMI
  - Fixup the XEN/PV code
  - Remove the old prototypes

No functional change.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Alexandre Chartre <alexandre.chartre@oracle.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Acked-by: Andy Lutomirski <luto@kernel.org>
Link: https://lkml.kernel.org/r/20200505135314.609932306@linutronix.de
This commit is contained in:
Thomas Gleixner
2020-02-25 23:33:25 +01:00
parent 9cce81cff7
commit 6271fef00b
8 changed files with 25 additions and 22 deletions
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3
arch/x86/include/asm/traps.h
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@@ -12,7 +12,6 @@
#define dotraplinkage __visible
asmlinkage void debug(void);
asmlinkage void nmi(void);
#ifdef CONFIG_X86_64
asmlinkage void double_fault(void);
#endif
@@ -20,14 +19,12 @@ asmlinkage void page_fault(void);
asmlinkage void async_page_fault(void);
#if defined(CONFIG_X86_64) && defined(CONFIG_XEN_PV)
asmlinkage void xen_xennmi(void);
asmlinkage void xen_xendebug(void);
asmlinkage void xen_double_fault(void);
asmlinkage void xen_page_fault(void);
#endif
dotraplinkage void do_debug(struct pt_regs *regs, long error_code);
dotraplinkage void do_nmi(struct pt_regs *regs, long error_code);
dotraplinkage void do_double_fault(struct pt_regs *regs, long error_code, unsigned long cr2);
dotraplinkage void do_page_fault(struct pt_regs *regs, unsigned long error_code, unsigned long address);