linux-kernel - [PATCH v2 07/20] tools/x86/kcpuid: Remove unused global variable

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Message-ID: <20250312143738.458507-8-darwi@linutronix.de>
Date: Wed, 12 Mar 2025 15:37:24 +0100
From: "Ahmed S. Darwish" <darwi@...utronix.de>
To: Ingo Molnar <mingo@...hat.com>,
	Dave Hansen <dave.hansen@...ux.intel.com>,
	Borislav Petkov <bp@...en8.de>
Cc: Thomas Gleixner <tglx@...utronix.de>,
	Andrew Cooper <andrew.cooper3@...rix.com>,
	"H. Peter Anvin" <hpa@...or.com>,
	John Ogness <john.ogness@...utronix.de>,
	x86@...nel.org,
	x86-cpuid@...ts.linux.dev,
	LKML <linux-kernel@...r.kernel.org>,
	"Ahmed S. Darwish" <darwi@...utronix.de>
Subject: [PATCH v2 07/20] 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>
---
 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 a89da2af98e9..908f0de2d4f0 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);
-- 
2.48.1