From: Xin Li <xin3.li@intel.com>
To: linux-kernel@vger.kernel.org, x86@kernel.org
Cc: tglx@linutronix.de, mingo@redhat.com, bp@alien8.de,
dave.hansen@linux.intel.com, hpa@zytor.com, peterz@infradead.org,
brgerst@gmail.com, chang.seok.bae@intel.com
Subject: [PATCH v4 2/5] x86/opcode: add the LKGS instruction to x86-opcode-map
Date: Wed, 19 Oct 2022 02:50:32 -0700 [thread overview]
Message-ID: <20221019095035.10823-3-xin3.li@intel.com> (raw)
In-Reply-To: <20221019095035.10823-1-xin3.li@intel.com>
From: "H. Peter Anvin (Intel)" <hpa@zytor.com>
Add the instruction opcode used by LKGS.
Opcode number is per public FRED draft spec v3.0
https://cdrdv2.intel.com/v1/dl/getContent/678938.
Signed-off-by: H. Peter Anvin (Intel) <hpa@zytor.com>
Signed-off-by: Xin Li <xin3.li@intel.com>
---
arch/x86/lib/x86-opcode-map.txt | 1 +
tools/arch/x86/lib/x86-opcode-map.txt | 1 +
2 files changed, 2 insertions(+)
diff --git a/arch/x86/lib/x86-opcode-map.txt b/arch/x86/lib/x86-opcode-map.txt
index d12d1358f96d..5168ee0360b2 100644
--- a/arch/x86/lib/x86-opcode-map.txt
+++ b/arch/x86/lib/x86-opcode-map.txt
@@ -1047,6 +1047,7 @@ GrpTable: Grp6
3: LTR Ew
4: VERR Ew
5: VERW Ew
+6: LKGS Ew (F2)
EndTable
GrpTable: Grp7
diff --git a/tools/arch/x86/lib/x86-opcode-map.txt b/tools/arch/x86/lib/x86-opcode-map.txt
index d12d1358f96d..5168ee0360b2 100644
--- a/tools/arch/x86/lib/x86-opcode-map.txt
+++ b/tools/arch/x86/lib/x86-opcode-map.txt
@@ -1047,6 +1047,7 @@ GrpTable: Grp6
3: LTR Ew
4: VERR Ew
5: VERW Ew
+6: LKGS Ew (F2)
EndTable
GrpTable: Grp7
--
2.34.1
next prev parent reply other threads:[~2022-10-19 12:01 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-19 9:50 [PATCH v4 0/5] Enable LKGS instruction Xin Li
2022-10-19 9:50 ` [PATCH v4 1/5] x86/cpufeature: add the cpu feature bit for LKGS Xin Li
2022-10-19 9:50 ` Xin Li [this message]
2022-10-19 9:50 ` [PATCH v4 3/5] x86/gsseg: make asm_load_gs_index() take an u16 Xin Li
2022-10-19 9:50 ` [PATCH v4 4/5] x86/gsseg: move load_gs_index() to its own new header file Xin Li
2022-10-19 9:50 ` [PATCH v4 5/5] x86/gsseg: use the LKGS instruction if available for load_gs_index() Xin Li
2022-10-19 12:16 ` Juergen Gross
2022-10-19 17:45 ` Li, Xin3
2022-10-19 18:01 ` H. Peter Anvin
2022-10-20 4:54 ` Juergen Gross
2022-10-20 6:05 ` Li, Xin3
2022-10-20 4:53 ` Juergen Gross
2022-10-20 5:58 ` Li, Xin3
2022-10-20 6:08 ` Juergen Gross
2022-10-20 6:24 ` Li, Xin3
2022-10-19 10:23 [PATCH v4 0/5] x86: Enable LKGS instruction Xin Li
2022-10-19 10:23 ` [PATCH v4 2/5] x86/opcode: add the LKGS instruction to x86-opcode-map Xin Li
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