linux-kernel - [tip: x86/cpu] tools/x86/kcpuid: Remove unused global variable

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Message-ID: <174289354381.14745.4345397838691422962.tip-bot2@tip-bot2>
Date: Tue, 25 Mar 2025 09:05:43 -0000
From: "tip-bot2 for Ahmed S. Darwish" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: "Ahmed S. Darwish" <darwi@...utronix.de>, Ingo Molnar <mingo@...nel.org>,
 "H. Peter Anvin" <hpa@...or.com>,
 Linus Torvalds <torvalds@...ux-foundation.org>,
 Josh Poimboeuf <jpoimboe@...hat.com>, x86@...nel.org,
 linux-kernel@...r.kernel.org
Subject: [tip: x86/cpu] tools/x86/kcpuid: Remove unused global variable

The following commit has been merged into the x86/cpu branch of tip:

Commit-ID:     2b383ca0896f0ffc24fd4d93440320d2dd5daad1
Gitweb:        https://git.kernel.org/tip/2b383ca0896f0ffc24fd4d93440320d2dd5daad1
Author:        Ahmed S. Darwish <darwi@...utronix.de>
AuthorDate:    Mon, 24 Mar 2025 15:20:28 +01:00
Committer:     Ingo Molnar <mingo@...nel.org>
CommitterDate: Tue, 25 Mar 2025 09:53:45 +01:00

tools/x86/kcpuid: Remove unused global variable

The global variable "is_amd" is written to, but is not read from
anywhere.  Remove it.

Signed-off-by: Ahmed S. Darwish <darwi@...utronix.de>
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Cc: H. Peter Anvin <hpa@...or.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Josh Poimboeuf <jpoimboe@...hat.com>
Link: https://lore.kernel.org/r/20250324142042.29010-8-darwi@linutronix.de
---
 tools/arch/x86/kcpuid/kcpuid.c | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/tools/arch/x86/kcpuid/kcpuid.c b/tools/arch/x86/kcpuid/kcpuid.c
index f1dac5b..f268c76 100644
--- a/tools/arch/x86/kcpuid/kcpuid.c
+++ b/tools/arch/x86/kcpuid/kcpuid.c
@@ -79,7 +79,6 @@ struct cpuid_range {
  */
 struct cpuid_range *leafs_basic, *leafs_ext;

-static bool is_amd;
 static bool show_details;
 static bool show_raw;
 static bool show_flags_only = true;
@@ -559,16 +558,6 @@ static void show_info(void)

 static void setup_platform_cpuid(void)
 {
-	 u32 eax, ebx, ecx, edx;
-
-	/* Check vendor */
-	eax = ebx = ecx = edx = 0;
-	cpuid(&eax, &ebx, &ecx, &edx);
-
-	/* "htuA" */
-	if (ebx == 0x68747541)
-		is_amd = true;
-
 	/* Setup leafs for the basic and extended range */
 	leafs_basic = setup_cpuid_range(0x0);
 	leafs_ext = setup_cpuid_range(0x80000000);