Both instructions aren't used by kernel.
Signed-off-by: Alexey Dobriyan <[email protected]>
---
arch/x86/include/asm/bug.h | 9 ---------
1 file changed, 9 deletions(-)
--- 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
The following commit has been merged into the x86/urgent branch of tip:
Commit-ID: 790d1ce71de9199bf9fd37c4743aec4a09489a51
Gitweb: https://git.kernel.org/tip/790d1ce71de9199bf9fd37c4743aec4a09489a51
Author: Alexey Dobriyan <[email protected]>
AuthorDate: Thu, 22 Apr 2021 21:58:40 +03:00
Committer: Thomas Gleixner <[email protected]>
CommitterDate: Wed, 05 May 2021 21:50:13 +02:00
x86: Delete UD0, UD1 traces
Both instructions aren't used by kernel.
Signed-off-by: Alexey Dobriyan <[email protected]>
Signed-off-by: Thomas Gleixner <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
---
arch/x86/include/asm/bug.h | 9 ---------
1 file changed, 9 deletions(-)
diff --git a/arch/x86/include/asm/bug.h b/arch/x86/include/asm/bug.h
index 297fa12..84b8753 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