* [PATCH] x86: delete UD0, UD1 traces
@ 2021-04-22 18:58 Alexey Dobriyan
2021-05-06 12:14 ` [tip: x86/urgent] x86: Delete " tip-bot2 for Alexey Dobriyan
0 siblings, 1 reply; 2+ messages in thread
From: Alexey Dobriyan @ 2021-04-22 18:58 UTC (permalink / raw)
To: tglx, mingo, bp; +Cc: x86, hpa, linux-kernel
Both instructions aren't used by kernel.
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
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
^ permalink raw reply [flat|nested] 2+ messages in thread
* [tip: x86/urgent] x86: Delete UD0, UD1 traces
2021-04-22 18:58 [PATCH] x86: delete UD0, UD1 traces Alexey Dobriyan
@ 2021-05-06 12:14 ` tip-bot2 for Alexey Dobriyan
0 siblings, 0 replies; 2+ messages in thread
From: tip-bot2 for Alexey Dobriyan @ 2021-05-06 12:14 UTC (permalink / raw)
To: linux-tip-commits; +Cc: Alexey Dobriyan, Thomas Gleixner, x86, linux-kernel
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 <adobriyan@gmail.com>
AuthorDate: Thu, 22 Apr 2021 21:58:40 +03:00
Committer: Thomas Gleixner <tglx@linutronix.de>
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 <adobriyan@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/YIHHYNKbiSf5N7+o@localhost.localdomain
---
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
^ permalink raw reply related [flat|nested] 2+ messages in thread
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