From patchwork Mon Feb 5 12:28:51 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yuanhe Shu X-Patchwork-Id: 196798 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:7301:168b:b0:106:860b:bbdd with SMTP id ma11csp840823dyb; Mon, 5 Feb 2024 04:31:29 -0800 (PST) X-Google-Smtp-Source: AGHT+IEOg2eeciBvSfQFNAADbT8MKbG4g0eQiPo9oAmVCUH9p1ds3CZIiVL9YLv8wYFNulun4kfA X-Received: by 2002:a62:f204:0:b0:6d9:bf6a:d8a2 with SMTP id m4-20020a62f204000000b006d9bf6ad8a2mr12676080pfh.28.1707136289207; Mon, 05 Feb 2024 04:31:29 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1707136289; cv=pass; d=google.com; s=arc-20160816; b=MYWyRj/IKGD+sptnlQ4CTYAEvPqZg0CD9LCSD8xJ+uywwfugI3AmlNFJvDKDn6rF7P TXiNTC9TDuhRH0yUjwF/3AobNPrce55VOHkw63dBrvJj9yxvBDI6m2KMRoU/pnWSi6vg Q+DldpD75mNCNIp/QKsDCmZZT3ExK92K7w5nFBwdUcm/8Kc7jataSzMLSlGgSyzYQy6W 4na9GJGebCSQb8ulwpJNK8OrEdaYifRG3sTfGgQrC4851/oUIzjVur29IMKJ+JfVWqeC Rt8NATPPMLClDKus004ZNj0LNYI3rlrNLGBq4zFEupTpYtQbCIGpa5pzcM08RUunVOJ7 G8uA== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:mime-version:list-unsubscribe :list-subscribe:list-id:precedence:references:in-reply-to:message-id :date:subject:cc:to:from:dkim-signature; bh=0Ich9Lv7jUlR8bH4jRV52p8JlrleP6AcmyrMMLywpAs=; fh=WjVwbI51fXMvoM3XRnx9qKJwNuvmhHFZM1Y4mlfmVcg=; b=k9BLgv5AzKx90VypsclLzaFbmv3+gm81bXdnq6uRu+S5Q5oAcc6ttuRm7en9p7FWyD lXwRAU3P/SXajhTrF6pb9Sm0pvs6iIHIZ4D+3QVr1cKkf6fq1aJt3KQiOFWExCe5d0kp D4v1QaYNMdGkB6fTyeGR+puFQjvRG3sqeSRH7Dbz3sm+AaNC6vCcREIL+16Vx0R2GPxo j8yEGT3STi+hAIzCCTu0dVBcC6lWR4bL4226ecGCfkP5BP/o7bXo9MBdedgAvwBoIdbX LOLF2JIetza28iKiviQRXs6B3wr4oJUIROubGCsKqfm5B5cr3/1tO5zvqNMIGNjIEkuw KnYA==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@linux.alibaba.com header.s=default header.b=cneQkTkz; arc=pass (i=1 spf=pass spfdomain=linux.alibaba.com dkim=pass dkdomain=linux.alibaba.com dmarc=pass fromdomain=linux.alibaba.com); spf=pass (google.com: domain of linux-kernel+bounces-52601-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-52601-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linux.alibaba.com X-Forwarded-Encrypted: i=1; AJvYcCVJoM2baKO48tFw/V4/UVX/75JDfYsDopgC8BjNDcmo38xsbWH76R+tpQeJQdJPN6Nsu9Y/174Bjc6nFnvMkyG9oYR5Qg== Received: from sv.mirrors.kernel.org (sv.mirrors.kernel.org. [2604:1380:45e3:2400::1]) by mx.google.com with ESMTPS id fd30-20020a056a002e9e00b006dbac558730si6254559pfb.103.2024.02.05.04.31.29 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Feb 2024 04:31:29 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-52601-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) client-ip=2604:1380:45e3:2400::1; Authentication-Results: mx.google.com; dkim=pass header.i=@linux.alibaba.com header.s=default header.b=cneQkTkz; arc=pass (i=1 spf=pass spfdomain=linux.alibaba.com dkim=pass dkdomain=linux.alibaba.com dmarc=pass fromdomain=linux.alibaba.com); spf=pass (google.com: domain of linux-kernel+bounces-52601-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-52601-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linux.alibaba.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id 01507282107 for ; Mon, 5 Feb 2024 12:31:29 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 34B971CAAE; Mon, 5 Feb 2024 12:29:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.b="cneQkTkz" Received: from out30-119.freemail.mail.aliyun.com (out30-119.freemail.mail.aliyun.com [115.124.30.119]) (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 BE7601C2B2; Mon, 5 Feb 2024 12:29:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=115.124.30.119 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707136180; cv=none; b=U1gOP2nvb8jVURPr/rcEGFrTaKIzvfy31EQamHnMuX4jNVaFeRMnkerS5ZjCocRKWKnDJK7AbJlVmxeNcnfzE1UGa4ceKfaYsiIoUdEP7gFW4ot5oscp463f96o6+TBxnp++uvqpUm/WiWeslyI0HDmC/bZBiiZEjOiGyFj8oy4= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707136180; c=relaxed/simple; bh=zjQbb33QAX1T1JAhEwYPnm/SGkqzEpXW1ZbAKpPauBo=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=DYTgxjt0y6rP0uqb+gZ6Tothta56UR7/RmXEOXwV//vx3aKskyvn+XhjwJLXzMvG5JKEdsYrg0fU21s74gsmN1ZFtSyQqY0vxSOMN4T73nMeC1Lgc0Dzh4+V47vOX5q90v7JV1jrFW7cEpoQaw1VJ8uX0ww8BmLca+yh2G0jb5c= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com; spf=pass smtp.mailfrom=linux.alibaba.com; dkim=pass (1024-bit key) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.b=cneQkTkz; arc=none smtp.client-ip=115.124.30.119 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.alibaba.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.alibaba.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1707136170; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=0Ich9Lv7jUlR8bH4jRV52p8JlrleP6AcmyrMMLywpAs=; b=cneQkTkzxeFpVP74/kCjY32D8vDbzjo2nOSyx3sc9dsNN7xCembIzc+wQ5IPRV3oJbsieo2pdx13+xEfG0GpM4Ld05476cZudvXVXh/477dpc7i0ECKQuHgViXRJIDa1dyrw2KBQZugDFWCIHdX6VPcu7t2VmOqCUxqx8C6W3OA= X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R161e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018046051;MF=xiangzao@linux.alibaba.com;NM=1;PH=DS;RN=11;SR=0;TI=SMTPD_---0W0AVhQO_1707136168; Received: from localhost.localdomain(mailfrom:xiangzao@linux.alibaba.com fp:SMTPD_---0W0AVhQO_1707136168) by smtp.aliyun-inc.com; Mon, 05 Feb 2024 20:29:29 +0800 From: Yuanhe Shu To: keescook@chromium.org, tony.luck@intel.com, gpiccoli@igalia.com, shuah@kernel.org, corbet@lwn.net Cc: xlpang@linux.alibaba.com, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, linux-hardening@vger.kernel.org, linux-kselftest@vger.kernel.org, Yuanhe Shu Subject: [PATCH 2/3] Documentation: adjust pstore backend related document Date: Mon, 5 Feb 2024 20:28:51 +0800 Message-Id: <20240205122852.7069-3-xiangzao@linux.alibaba.com> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20240205122852.7069-1-xiangzao@linux.alibaba.com> References: <20240205122852.7069-1-xiangzao@linux.alibaba.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1790062141327843735 X-GMAIL-MSGID: 1790062141327843735 Pstore now supports multiple backends, adjust related document. Signed-off-by: Yuanhe Shu --- Documentation/ABI/testing/pstore | 8 ++++---- Documentation/admin-guide/kernel-parameters.txt | 4 +++- 2 files changed, 7 insertions(+), 5 deletions(-) diff --git a/Documentation/ABI/testing/pstore b/Documentation/ABI/testing/pstore index d3cff4a7ee10..2cd67b502f11 100644 --- a/Documentation/ABI/testing/pstore +++ b/Documentation/ABI/testing/pstore @@ -41,7 +41,7 @@ Description: Generic interface to platform dependent persistent storage. persistent storage until at least this amount is reached. Default is 10 Kbytes. - Pstore only supports one backend at a time. If multiple - backends are available, the preferred backend may be - set by passing the pstore.backend= argument to the kernel at - boot time. + Pstore now supports multiple backends at a time. If multiple + backends are available, the registrable backends may be + set by passing the pstore.backend= argument1, argument2... + or pstore.backend= all to the kernel at boot time. diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 31b3a25680d0..a8a109b822a9 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -4748,7 +4748,9 @@ [HW,MOUSE] Controls Logitech smartscroll autorepeat. 0 = disabled, 1 = enabled (default). - pstore.backend= Specify the name of the pstore backend to use + pstore.backend=backend1,...,backendN + Specify the names of the pstore backends to use + or =all for all available backends pti= [X86-64] Control Page Table Isolation of user and kernel address spaces. Disabling this feature