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| author | Kees Cook <keescook@chromium.org> | 2018-02-25 19:50:56 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2018-02-28 17:18:40 +0300 |
| commit | cb097be7036aa325adba33d8c41fe77b980b0e77 (patch) | |
| tree | b6dc5b37447e0f04c2f100e6e0d43e3506710ee2 /arch/x86 | |
| parent | f3afe530d644488a074291da04a69a296ab63046 (diff) | |
| download | linux-cb097be7036aa325adba33d8c41fe77b980b0e77.tar.xz | |
x86/refcounts: Switch to UD2 for exceptions
As done in commit 3b3a371cc9bc ("x86/debug: Use UD2 for WARN()"), this
switches to UD2 from UD0 to keep disassembly readable.
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lkml.kernel.org/r/20180225165056.GA11719@beast
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/include/asm/refcount.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/include/asm/refcount.h b/arch/x86/include/asm/refcount.h index d65171120e90..4cf11d88d3b3 100644 --- a/arch/x86/include/asm/refcount.h +++ b/arch/x86/include/asm/refcount.h @@ -17,7 +17,7 @@ #define _REFCOUNT_EXCEPTION \ ".pushsection .text..refcount\n" \ "111:\tlea %[counter], %%" _ASM_CX "\n" \ - "112:\t" ASM_UD0 "\n" \ + "112:\t" ASM_UD2 "\n" \ ASM_UNREACHABLE \ ".popsection\n" \ "113:\n" \ |