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| author | Thomas Gleixner <tglx@linutronix.de> | 2020-02-26 01:33:26 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2020-06-11 16:14:59 +0300 |
| commit | 2bbc68f8373c0631ebf137f376fbea00e8086be7 (patch) | |
| tree | 0cebf75fb72ec79233f04adc8903bda6c7a11f23 /arch/x86/entry/entry_32.S | |
| parent | 9f58fdde95c9509a4ded27a6d0035e79294002b4 (diff) | |
| download | linux-2bbc68f8373c0631ebf137f376fbea00e8086be7.tar.xz | |
x86/entry: Convert Debug exception to IDTENTRY_DB
Convert #DB to IDTENTRY_ERRORCODE:
- Implement the C entry point with DEFINE_IDTENTRY_DB
- Emit the ASM stub with DECLARE_IDTENTRY
- Remove the ASM idtentry in 64bit
- Remove the open coded ASM entry code in 32bit
- 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/20200505135314.900297476@linutronix.de
Diffstat (limited to 'arch/x86/entry/entry_32.S')
| -rw-r--r-- | arch/x86/entry/entry_32.S | 10 |
1 files changed, 0 insertions, 10 deletions
diff --git a/arch/x86/entry/entry_32.S b/arch/x86/entry/entry_32.S index d4961cac73f6..30c6ed3d7c52 100644 --- a/arch/x86/entry/entry_32.S +++ b/arch/x86/entry/entry_32.S @@ -1488,16 +1488,6 @@ ret_to_user: jmp restore_all_switch_stack SYM_CODE_END(handle_exception) -SYM_CODE_START(debug) - /* - * Entry from sysenter is now handled in common_exception - */ - ASM_CLAC - pushl $0 - pushl $do_debug - jmp common_exception -SYM_CODE_END(debug) - SYM_CODE_START(double_fault) 1: /* |