[PATCH v1 3/9] x86/cpuid: Rename have_cpuid_p() to cpuid_feature()

From: Ahmed S. Darwish
Date: Thu May 08 2025 - 11:05:38 EST


In order to let all the APIs under <cpuid/api.h> have a shared "cpuid_"
namespace, rename have_cpuid_p() to cpuid_feature().

Adjust all call-sites accordingly.

Suggested-by: Ingo Molnar <mingo@xxxxxxxxxx>
Signed-off-by: Ahmed S. Darwish <darwi@xxxxxxxxxxxxx>
---
arch/x86/include/asm/cpuid/api.h | 4 ++--
arch/x86/kernel/cpu/common.c | 10 +++++-----
arch/x86/kernel/cpu/microcode/core.c | 2 +-
3 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/arch/x86/include/asm/cpuid/api.h b/arch/x86/include/asm/cpuid/api.h
index ff8891a0b6c8..c0211fcdc706 100644
--- a/arch/x86/include/asm/cpuid/api.h
+++ b/arch/x86/include/asm/cpuid/api.h
@@ -14,9 +14,9 @@
*/

#ifdef CONFIG_X86_32
-bool have_cpuid_p(void);
+bool cpuid_feature(void);
#else
-static inline bool have_cpuid_p(void)
+static inline bool cpuid_feature(void)
{
return true;
}
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index 9f0f6dcb2f7d..def7af1dbd55 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -321,7 +321,7 @@ static int __init cachesize_setup(char *str)
__setup("cachesize=", cachesize_setup);

/* Probe for the CPUID instruction */
-bool have_cpuid_p(void)
+bool cpuid_feature(void)
{
return flag_is_changeable_p(X86_EFLAGS_ID);
}
@@ -1626,11 +1626,11 @@ static void __init early_identify_cpu(struct cpuinfo_x86 *c)
memset(&c->x86_capability, 0, sizeof(c->x86_capability));
c->extended_cpuid_level = 0;

- if (!have_cpuid_p())
+ if (!cpuid_feature())
identify_cpu_without_cpuid(c);

/* cyrix could have cpuid enabled via c_identify()*/
- if (have_cpuid_p()) {
+ if (cpuid_feature()) {
cpu_detect(c);
get_cpu_vendor(c);
intel_unlock_cpuid_leafs(c);
@@ -1790,11 +1790,11 @@ static void generic_identify(struct cpuinfo_x86 *c)
{
c->extended_cpuid_level = 0;

- if (!have_cpuid_p())
+ if (!cpuid_feature())
identify_cpu_without_cpuid(c);

/* cyrix could have cpuid enabled via c_identify()*/
- if (!have_cpuid_p())
+ if (!cpuid_feature())
return;

cpu_detect(c);
diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c
index b3658d11e7b6..1395fa72960f 100644
--- a/arch/x86/kernel/cpu/microcode/core.c
+++ b/arch/x86/kernel/cpu/microcode/core.c
@@ -125,7 +125,7 @@ void __init load_ucode_bsp(void)
unsigned int cpuid_1_eax;
bool intel = true;

- if (!have_cpuid_p())
+ if (!cpuid_feature())
return;

cpuid_1_eax = native_cpuid_eax(1);
--
2.49.0