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x86/acpi/cstate: Remove open coded check for cpu_feature_enabled()

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acpi_processor_power_init_bm_check() has an open coded implementation
of cpu_feature_enabled() to detect X86_FEATURE_ZEN.

Switch to using cpu_feature_enabled().

Signed-off-by: Mario Limonciello (AMD) <superm1@kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Mario Limonciello (AMD)
2025-09-15 15:43:16 -05:00
committed by Rafael J. Wysocki
parent 07e27ad163
commit 5b87014e99
1 changed files with 1 additions and 1 deletions
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2
arch/x86/kernel/acpi/cstate.c
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@@ -89,7 +89,7 @@ void acpi_processor_power_init_bm_check(struct acpi_processor_flags *flags,
*/
flags->bm_control = 0;
}
if (c->x86_vendor == X86_VENDOR_AMD && c->x86 >= 0x17) {
if (cpu_feature_enabled(X86_FEATURE_ZEN)) {
/*
* For all AMD Zen or newer CPUs that support C3, caches
* should not be flushed by software while entering C3