linux-kernel - [tip: x86/cpu] x86/cpuid: Remove obsolete CPUID(0x2) iteration macro

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Message-ID: <174436574746.31282.4756584311521374900.tip-bot2@tip-bot2>
Date: Fri, 11 Apr 2025 10:02:27 -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>,
 x86@...nel.org, linux-kernel@...r.kernel.org
Subject: [tip: x86/cpu] x86/cpuid: Remove obsolete CPUID(0x2) iteration macro

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

Commit-ID:     718f9038acc53631cc887676b9c433e6fb9f15dc
Gitweb:        https://git.kernel.org/tip/718f9038acc53631cc887676b9c433e6fb9f15dc
Author:        Ahmed S. Darwish <darwi@...utronix.de>
AuthorDate:    Fri, 11 Apr 2025 09:04:00 +02:00
Committer:     Ingo Molnar <mingo@...nel.org>
CommitterDate: Fri, 11 Apr 2025 11:14:55 +02:00

x86/cpuid: Remove obsolete CPUID(0x2) iteration macro

The CPUID(0x2) cache descriptors iterator at <cpuid/leaf_0x2_api.h>:

    for_each_leaf_0x2_desc()

has no more call sites.  Remove it.

Signed-off-by: Ahmed S. Darwish <darwi@...utronix.de>
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Link: https://lore.kernel.org/r/20250411070401.1358760-2-darwi@linutronix.de
---
 arch/x86/include/asm/cpuid/leaf_0x2_api.h | 23 +----------------------
 1 file changed, 23 deletions(-)

diff --git a/arch/x86/include/asm/cpuid/leaf_0x2_api.h b/arch/x86/include/asm/cpuid/leaf_0x2_api.h
index 46ecb15..09fa307 100644
--- a/arch/x86/include/asm/cpuid/leaf_0x2_api.h
+++ b/arch/x86/include/asm/cpuid/leaf_0x2_api.h
@@ -41,29 +41,6 @@ static inline void cpuid_get_leaf_0x2_regs(union leaf_0x2_regs *regs)
 }
 
 /**
- * for_each_leaf_0x2_desc() - Iterator for CPUID leaf 0x2 descriptors
- * @regs:	Leaf 0x2 output, as returned by cpuid_get_leaf_0x2_regs()
- * @desc:	Pointer to the returned descriptor for each iteration
- *
- * Loop over the 1-byte descriptors in the passed leaf 0x2 output registers
- * @regs.  Provide each descriptor through @desc.
- *
- * Note that the first byte is skipped as it is not a descriptor.
- *
- * Sample usage::
- *
- *	union leaf_0x2_regs regs;
- *	u8 *desc;
- *
- *	cpuid_get_leaf_0x2_regs(&regs);
- *	for_each_leaf_0x2_desc(regs, desc) {
- *		// Handle *desc value
- *	}
- */
-#define for_each_leaf_0x2_desc(regs, desc)				\
-	for (desc = &(regs).desc[1]; desc < &(regs).desc[16]; desc++)
-
-/**
  * for_each_leaf_0x2_entry() - Iterator for parsed leaf 0x2 descriptors
  * @regs:   Leaf 0x2 register output, returned by cpuid_get_leaf_0x2_regs()
  * @__ptr:  u8 pointer, for macro internal use only