From patchwork Wed Feb 7 02:19:20 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yuanhe Shu X-Patchwork-Id: 13548034 Received: from out30-130.freemail.mail.aliyun.com (out30-130.freemail.mail.aliyun.com [115.124.30.130]) (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 C5F3E10A0D; Wed, 7 Feb 2024 02:20:01 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=115.124.30.130 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707272404; cv=none; b=opWfevqQCjFBuys6g+TVwWjdguJ37uW0dGoQx+6UPp/PdJDkbs2Q5/bk/QZlvBalhMPZm3718+OaYgnmudcbCcXRqLxj/Whlh/0DeoCsI/TmMFFoynY86hXlNvs3LKW7jAPSGrWtSOf/dlKQRz/SnWhqxmOr0kaDUa1a91rRJ90= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707272404; c=relaxed/simple; bh=zjQbb33QAX1T1JAhEwYPnm/SGkqzEpXW1ZbAKpPauBo=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=Z3rzfjio2HnhskfjvTk/Wh0VxHOGHCbcpzzEgHoCM9r/t8KxxJaZ0dZ3hn1SzILKt28MX5WBDr6DGFTjDpBiscgun0vblNe6UZGrBIhdUmennBRzDG7l31nw6LHnMHw//wR7mnGhK3yyyCHuW91HUehkz2uZnH4r63cZuSJZo4c= 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=bXe63CSp; arc=none smtp.client-ip=115.124.30.130 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 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linux.alibaba.com header.i=@linux.alibaba.com header.b="bXe63CSp" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1707272393; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=0Ich9Lv7jUlR8bH4jRV52p8JlrleP6AcmyrMMLywpAs=; b=bXe63CSpzVd6eYfyOfftXBOU4lciWYSlJbD01XjzMMevRcBoK7PxoN8sazkvu2RDPeIG4EG6cIlKZ6MGLjaAMX6lcFTb+QjbO03zMYurM7Oms4ufzz4FaV9x7pmhTp2V078L40B9xWoBkv35L360NtbHSZN/N6yaiyBY6J8hwlg= X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R511e4;CH=green;DM=||false|;DS=||;FP=0|-1|-1|-1|0|-1|-1|-1;HT=ay29a033018045192;MF=xiangzao@linux.alibaba.com;NM=1;PH=DS;RN=11;SR=0;TI=SMTPD_---0W0F5hXj_1707272391; Received: from localhost.localdomain(mailfrom:xiangzao@linux.alibaba.com fp:SMTPD_---0W0F5hXj_1707272391) by smtp.aliyun-inc.com; Wed, 07 Feb 2024 10:19:53 +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: Wed, 7 Feb 2024 10:19:20 +0800 Message-Id: <20240207021921.206425-3-xiangzao@linux.alibaba.com> X-Mailer: git-send-email 2.39.3 In-Reply-To: <20240207021921.206425-1-xiangzao@linux.alibaba.com> References: <20240207021921.206425-1-xiangzao@linux.alibaba.com> Precedence: bulk X-Mailing-List: linux-hardening@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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