From nobody Fri Dec 26 02:14:08 2025 Received: from mail.alien8.de (mail.alien8.de [65.109.113.108]) (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 4C9A51E494; Thu, 18 Jan 2024 16:36:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=65.109.113.108 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705595781; cv=none; b=EomoY+PBcjaYB9VgwUBxTxYjKFiBiuCh6elyiVauCAvy5gM+bUbRqfAwVXyr8ag9VK7DsCpeY6Ib68mPDdcvYxyc6S2czb0IVnVcmdIa9D7HIzYz3qZaxscYC1S4YbFe/HSqlJewQ23SIgEgiK/0iSINd7oPqghUyy31kLlXb3s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705595781; c=relaxed/simple; bh=wcbZ7v76tRyhBtRUKZXECR/2Po0l+UcB5uxgbPcmCS0=; h=Received:X-Virus-Scanned:Received:DKIM-Signature:Received:From:To: Cc:Subject:Date:Message-ID:X-Mailer:MIME-Version: Content-Transfer-Encoding; b=njfyIqVAAxVHXqCVAwS9r7RkMUJcWJIDnjI+jk3UAAPwURvw6VBnmPEivxpNuce0Mnxs+o7dy/aCcNbKD2p1eCRgkKFg+/IVIEW5ynOV7aua1qePaFPScl5krs7aBst0ok8/LgsUBAYqZjL3npkC6uvgj6Pi2Jzi+NvrNK6k62M= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=alien8.de; spf=pass smtp.mailfrom=alien8.de; dkim=fail (4096-bit key) header.d=alien8.de header.i=@alien8.de header.b=DitAwJ3b reason="signature verification failed"; arc=none smtp.client-ip=65.109.113.108 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=alien8.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=alien8.de Authentication-Results: smtp.subspace.kernel.org; dkim=fail reason="signature verification failed" (4096-bit key) header.d=alien8.de header.i=@alien8.de header.b="DitAwJ3b" Received: from localhost (localhost.localdomain [127.0.0.1]) by mail.alien8.de (SuperMail on ZX Spectrum 128k) with ESMTP id 23F6F40E0177; Thu, 18 Jan 2024 16:36:16 +0000 (UTC) X-Virus-Scanned: Debian amavisd-new at mail.alien8.de Authentication-Results: mail.alien8.de (amavisd-new); dkim=fail (4096-bit key) reason="fail (body has been altered)" header.d=alien8.de Received: from mail.alien8.de ([127.0.0.1]) by localhost (mail.alien8.de [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id 5XjpfSoLKVy9; Thu, 18 Jan 2024 16:36:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alien8.de; s=alien8; t=1705595772; bh=+tZQFnI6rl5JS9Eyh8uFIPriD1WGVARI0bN0k+Y1Xw4=; h=From:To:Cc:Subject:Date:From; b=DitAwJ3bHB/rItyAzqmTeNCxUQY0DuVN3sk8Srlgbsa9+yiC8CNv+vc5TUXDGe5Kj kwqQRh9oMQuGemGmInUSP8UwYWq4gVt7b5pWzdECn0Cix5bQkJpj3ePyvHPni7X2PJ ejTMtBJ/fdhPKinXAia/55GvzPMrv47ikgCSa6nJAIclkcVQby9aNsxt45EH1xdi5T CZt1bx42dQfKsI3/t3MywNU9UAKvLTIjxpiRs0imbjI/XZDnZFT24NABjXWQls2iyx ZnS/Lygo4hMyYS7qSRV/cKNbg4qyHIlxBozrtkd9GNbnssdoTTjzgLRKl8jbMKZHJB eTeuX2UTjlctdtQbH0ZIXGzPnvHighWUg9aKeQkArzZI+UDOAB0HC410OCdrreZQk6 ByRdZ/sPpKQJei2gcqpkEArS0F/bhw3GoiC2aveAVvBTU5gsWZ0K2QpbxKIY5/fUwU bwUdBSdxqTqJ1Ixf909JOAgzwMwXOxmzmLhlpkX1RKzYiCtJc+cxlIN88Joyl7JOk/ xz8jTDMk8AazhUOW9PRikHFtdVelJZu+rIMnSv5j6wHmUFddCm4qRZXuuqUIxr4eZZ PPNov3I9eWN2zTqd2m7l6dD3+GZRwjL5ija/pkgB+Xmk/GIuisqH0ixIWF+hhQux2O LyyzgFdWkBcjlVkDdjYy+KCc= Received: from zn.tnic (pd9530f8c.dip0.t-ipconnect.de [217.83.15.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature ECDSA (P-256) server-digest SHA256) (No client certificate requested) by mail.alien8.de (SuperMail on ZX Spectrum 128k) with ESMTPSA id E9C9B40E01BB; Thu, 18 Jan 2024 16:36:07 +0000 (UTC) From: Borislav Petkov To: LKML Cc: Jonathan Corbet , X86 ML , linux-doc@vger.kernel.org Subject: [PATCH] Documentation/kernel-parameters: Add spec_rstack_overflow to mitigations=off Date: Thu, 18 Jan 2024 17:36:00 +0100 Message-ID: <20240118163600.17857-1-bp@alien8.de> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: "Borislav Petkov (AMD)" mitigations=3Doff disables the SRSO mitigation too. Add it to the list. Signed-off-by: Borislav Petkov (AMD) --- Documentation/admin-guide/kernel-parameters.txt | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentatio= n/admin-guide/kernel-parameters.txt index a36cf8cc582c..65b47c23d55a 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -3397,6 +3397,7 @@ nospectre_v1 [X86,PPC] nospectre_v2 [X86,PPC,S390,ARM64] retbleed=3Doff [X86] + spec_rstack_overflow=3Doff [X86] spec_store_bypass_disable=3Doff [X86,PPC] spectre_v2_user=3Doff [X86] srbds=3Doff [X86,INTEL] --=20 2.43.0