[PATCH v1 1/2] x86/cpuid: Remove obsolete CPUID(0x2) iteration macro

From: Ahmed S. Darwish
Date: Fri Apr 11 2025 - 03:05:23 EST


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

for_each_leaf_0x2_desc()

has no more call sites. Remove it.

Fixes: 4772304ee651 ("x86/cpu: Use consolidated CPUID leaf 0x2 descriptor table")
Signed-off-by: Ahmed S. Darwish <darwi@xxxxxxxxxxxxx>
---
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 46ecb15e92d9..09fa3070b271 100644
--- a/arch/x86/include/asm/cpuid/leaf_0x2_api.h
+++ b/arch/x86/include/asm/cpuid/leaf_0x2_api.h
@@ -40,29 +40,6 @@ 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()
--
2.49.0