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| author | Thomas Gleixner <tglx@linutronix.de> | 2020-02-25 23:33:31 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2020-06-11 15:15:03 +0200 |
| commit | c29c775a554f7060b6fb31b68f88a3c9087cf1c5 (patch) | |
| tree | b8f5e689c0ac8e8a4acb86c518e29fa45c1947a6 /arch/x86/include/asm/idtentry.h | |
| parent | x86/idtentry: Provide IDTENTRY_DF (diff) | |
| download | linux-c29c775a554f7060b6fb31b68f88a3c9087cf1c5.tar.xz linux-c29c775a554f7060b6fb31b68f88a3c9087cf1c5.zip | |
x86/entry: Convert double fault exception to IDTENTRY_DF
Convert #DF to IDTENTRY_DF
- Implement the C entry point with DEFINE_IDTENTRY_DF
- Emit the ASM stub with DECLARE_IDTENTRY_DF on 64bit
- Remove the ASM idtentry in 64bit
- Adjust the 32bit shim code
- 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/20200505135315.583415264@linutronix.de
Diffstat (limited to 'arch/x86/include/asm/idtentry.h')
| -rw-r--r-- | arch/x86/include/asm/idtentry.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/include/asm/idtentry.h b/arch/x86/include/asm/idtentry.h index 9521f329bbbe..ce97478ffc40 100644 --- a/arch/x86/include/asm/idtentry.h +++ b/arch/x86/include/asm/idtentry.h @@ -368,4 +368,7 @@ DECLARE_IDTENTRY_XEN(X86_TRAP_NMI, nmi); DECLARE_IDTENTRY_DEBUG(X86_TRAP_DB, exc_debug); DECLARE_IDTENTRY_XEN(X86_TRAP_DB, debug); +/* #DF */ +DECLARE_IDTENTRY_DF(X86_TRAP_DF, exc_double_fault); + #endif |