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authorAlexey Dobriyan <adobriyan@gmail.com>2021-04-22 21:58:40 +0300
committerThomas Gleixner <tglx@linutronix.de>2021-05-05 21:50:13 +0200
commit790d1ce71de9199bf9fd37c4743aec4a09489a51 (patch)
tree8f281e957119b4bace0bb38643603bda8bc6969c /arch/x86/include/asm/bug.h
parentx86/smpboot: Remove duplicate includes (diff)
downloadlinux-dev-790d1ce71de9199bf9fd37c4743aec4a09489a51.tar.xz
linux-dev-790d1ce71de9199bf9fd37c4743aec4a09489a51.zip
x86: Delete UD0, UD1 traces
Both instructions aren't used by kernel. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/r/YIHHYNKbiSf5N7+o@localhost.localdomain
Diffstat (limited to 'arch/x86/include/asm/bug.h')
-rw-r--r--arch/x86/include/asm/bug.h9
1 files changed, 0 insertions, 9 deletions
diff --git a/arch/x86/include/asm/bug.h b/arch/x86/include/asm/bug.h
index 297fa12e7e27..84b87538a15d 100644
--- a/arch/x86/include/asm/bug.h
+++ b/arch/x86/include/asm/bug.h
@@ -7,18 +7,9 @@
/*
* Despite that some emulators terminate on UD2, we use it for WARN().
- *
- * Since various instruction decoders/specs disagree on the encoding of
- * UD0/UD1.
*/
-
-#define ASM_UD0 ".byte 0x0f, 0xff" /* + ModRM (for Intel) */
-#define ASM_UD1 ".byte 0x0f, 0xb9" /* + ModRM */
#define ASM_UD2 ".byte 0x0f, 0x0b"
-
-#define INSN_UD0 0xff0f
#define INSN_UD2 0x0b0f
-
#define LEN_UD2 2
#ifdef CONFIG_GENERIC_BUG