From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 56A961DE4EF for ; Mon, 15 Sep 2025 20:43:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757969004; cv=none; b=ZbzGAYdGAgnbVUuwc3wiVwB3anuDLCTvZRM7RJicYlCdRUKysD0sZfzDdEAjOqNNeLgflLYQlXWAGxTp+I83ZtRwXYXK1hbOqyrO5KcgM9LGsfECw/MgCnKK6xk1WSUn5aJWexeZ7BDQGSZrziFIWfnsTp/t2UtTj8Kt9xnJXuA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757969004; c=relaxed/simple; bh=Q4VfzmNdjCwYLmqQeia9N1/AGY+8zueOVy6vwE0F0Bw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=avIJ4NCNVQODztXqkqM7j4xOEVmvtBflRJV/zaKO/v0U2Hifkb0CboUNr1+Wad/Up3gDf/+DEkwL9KwITJHRy5g2JoXVzy4WKWmhv/0M25DOQEBsQsnsNZBEJjEfHrbLFiqzI9q3OgSYY7GltJAuvfk1sdd4T24zDyTxprbsGjA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PtI5KRI3; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="PtI5KRI3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 82671C4CEF7; Mon, 15 Sep 2025 20:43:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1757969003; bh=Q4VfzmNdjCwYLmqQeia9N1/AGY+8zueOVy6vwE0F0Bw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PtI5KRI35R3joUrX0NeIkEV84UU3JqDA82aqiLa7WtGXAHvGSnLFp1YmnwohJCLyb PNj4F8UlASNeIPSbutCnWIZKkwihmjzYIKoYbDmwwPPHxaFYe2Gc41PpghZeWwoGm3 SNlFdTRDv2qFJAxqRtCp8kSabjDgLJF0XdVMn9WkgAyx8Uw8pthdF3sjDFhx1Eoar7 kyXW7w4eX9TeJdGidR5wHcg4o5EiHuS5Vvw4n3IBQrbdbyHhRuAKHBZkQxvlOMaxU/ 3stLxLtqKXOf8tjAvd4838kJOCzaUJwZrPiW7uNPLptiE6Zu7oMGsFcOOy29O+Qtc6 c9aLEtRczwcVw== From: "Mario Limonciello (AMD)" To: "Rafael J . Wysocki" , linux-acpi@vger.kernel.org Cc: "Mario Limonciello (AMD)" Subject: [PATCH 1/2] x86/acpi/cstate: Remove open coded check for cpu_feature_enabled() Date: Mon, 15 Sep 2025 15:43:16 -0500 Message-ID: <20250915204318.696058-2-superm1@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250915204318.696058-1-superm1@kernel.org> References: <20250915204318.696058-1-superm1@kernel.org> Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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) --- arch/x86/kernel/acpi/cstate.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/acpi/cstate.c b/arch/x86/kernel/acpi/cstate.c index 8698d66563ed6..0281703da5e26 100644 --- a/arch/x86/kernel/acpi/cstate.c +++ b/arch/x86/kernel/acpi/cstate.c @@ -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 -- 2.43.0