Commit 5b87014e authored by Mario Limonciello (AMD)'s avatar Mario Limonciello (AMD) Committed by Rafael J. Wysocki
Browse files

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



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: default avatarMario Limonciello (AMD) <superm1@kernel.org>
Signed-off-by: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
parent 07e27ad1

arch/x86/kernel/acpi/cstate.c

+1 −1
Original line number Diff line number Diff line
@@ -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