From nobody Mon Feb 9 13:57:22 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8636BCA0FFA for ; Tue, 5 Sep 2023 16:42:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343772AbjIEQlH (ORCPT ); Tue, 5 Sep 2023 12:41:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51776 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1354195AbjIEKJl (ORCPT ); Tue, 5 Sep 2023 06:09:41 -0400 Received: from galois.linutronix.de (Galois.linutronix.de [IPv6:2a0a:51c0:0:12e:550::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C080B90; Tue, 5 Sep 2023 03:09:37 -0700 (PDT) Date: Tue, 05 Sep 2023 10:09:34 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1693908575; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=s0LnLYJv1Oti7ETUkO3cyWs4GHvRslHGkJnP3ySmzGc=; b=S9ekXuYSd2CVkRhbXdUfREgrzwye4n0R2BiPTQHNnjlm5GLdCpfvlJctSuBLO3H6OOn8gp KOqlfQIRfC+3XV/4QrLQpJ/sxB4pGDNcZmS7qJU8DrBroNsKM9bSHiKvSTwRQIhdHcI9B6 fVR+wDtP0zMlwb1sPj7fu+Jjmp3K7TZ4+IO/4+416ac3G2p4PBSDT9cqRqJZfEMcJR2nIg lkZ583HrwoLnyjjwlxfg62csihPZofXsxh73IY5rygpWYS1ZJIGRnhAd5jFbXE/IE4J0FO YrY+YcId6kJX8q530AHX1CyeIrDBF7c6KufIAT3dwd+sGaA/TVPXXEs/xW38xg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1693908575; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=s0LnLYJv1Oti7ETUkO3cyWs4GHvRslHGkJnP3ySmzGc=; b=l4OHHZC3MplylMIHUSKuXicBRAwj4TS0eJp+VQbcCLDhaGf5oJOBpZPeVsRSd1UHL7Xpg8 efk/1s6jyemtxvDg== From: "tip-bot2 for Josh Poimboeuf" Sender: tip-bot2@linutronix.de Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: x86/bugs] x86/srso: Move retbleed IBPB check into existing 'has_microcode' code block Cc: Josh Poimboeuf , Ingo Molnar , "Borislav Petkov (AMD)" , x86@kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <0a22b86b1f6b07f9046a9ab763fc0e0d1b7a91d4.1693889988.git.jpoimboe@kernel.org> References: <0a22b86b1f6b07f9046a9ab763fc0e0d1b7a91d4.1693889988.git.jpoimboe@kernel.org> MIME-Version: 1.0 Message-ID: <169390857467.27769.14405035149732767972.tip-bot2@tip-bot2> Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The following commit has been merged into the x86/bugs branch of tip: Commit-ID: a94be9ae24d2e1580cf68fb58e14369ae6a4846b Gitweb: https://git.kernel.org/tip/a94be9ae24d2e1580cf68fb58e14369ae= 6a4846b Author: Josh Poimboeuf AuthorDate: Mon, 04 Sep 2023 22:04:59 -07:00 Committer: Ingo Molnar CommitterDate: Tue, 05 Sep 2023 12:05:07 +02:00 x86/srso: Move retbleed IBPB check into existing 'has_microcode' code block Simplify the code flow a bit by moving the retbleed IBPB check into the existing 'has_microcode' block. Signed-off-by: Josh Poimboeuf Signed-off-by: Ingo Molnar Acked-by: Borislav Petkov (AMD) Link: https://lore.kernel.org/r/0a22b86b1f6b07f9046a9ab763fc0e0d1b7a91d4.16= 93889988.git.jpoimboe@kernel.org --- arch/x86/kernel/cpu/bugs.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c index 941ac94..6b443f0 100644 --- a/arch/x86/kernel/cpu/bugs.c +++ b/arch/x86/kernel/cpu/bugs.c @@ -2430,10 +2430,8 @@ static void __init srso_select_mitigation(void) setup_force_cpu_cap(X86_FEATURE_SRSO_NO); return; } - } =20 - if (retbleed_mitigation =3D=3D RETBLEED_MITIGATION_IBPB) { - if (has_microcode) { + if (retbleed_mitigation =3D=3D RETBLEED_MITIGATION_IBPB) { srso_mitigation =3D SRSO_MITIGATION_IBPB; goto out; }