From nobody Fri Jul 24 22:18:16 2026 Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.13]) (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 A9BFE305666; Thu, 23 Jul 2026 01:37:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=198.175.65.13 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784770675; cv=none; b=i1jFEYgRU1/JbzlqlWptqX6d59TyZS43W6p/8cNWdPcWFUZRlnt+IfuRlp+zGcsaUISZpdIYFfeTRePj2nM1kJB7zAH6u6Oa9p/OvocnAzJVrECN3Umo0Wgt1Jf6NqPQwTgoO5LQFKnyxv7crVSr8t7stYb1SAwIVqbvjezf50s= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784770675; c=relaxed/simple; bh=0Z08NEVZ3WBscaXfo3JMSWa9G5cN5U079yPU4pPGwhc=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=VKH0I0Tou+EZrb4Ejm5uiOMi06ntZ19tzwtaBNteRr3GMV52U9t66za00kQB/Hs6nvb39LlFL+vrRmvQnZxWJKqwP7U84CV+8CwJme1GHouI9yeN3Q09IUJf428NHbAsJanTgQNdXLpUwSSrgj0Fnr6Bln49lX6vFe7nO09PeBA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=aUc1EdB5; arc=none smtp.client-ip=198.175.65.13 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="aUc1EdB5" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1784770674; x=1816306674; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=0Z08NEVZ3WBscaXfo3JMSWa9G5cN5U079yPU4pPGwhc=; b=aUc1EdB50yBi8v4vE158x5G+Yc52kfyMA0i5tQLJEEz6qD0tbBYOiAP8 82Y2S0wAeDj2BxgJL1WwDYkknMStLIaGCTzBmkmdwpy+0Toq8ldG+miP+ oVqm2cJx9HBmwY0YW6MqkOxRr0gHY6c6BfLredE86ycjrj7/prUdb7/AU 5Szq4thLEPbCVLySLmO8G6FhzSC+JzPHLaN85prcd2dvDrZEuR3mkDOlN ozxHyyPcGe8WBqQQNLbO/BG2NeaarsMfI14BR+eiBfxGSaqjIzSRmgou1 hw8Jz6vQEafx1nBYcKvXY1ePM/lgDd+rc7udYoAHKz40UE4V5YhNnxGNU Q==; X-CSE-ConnectionGUID: nTHseQOrTjyrq4SkFB1u8A== X-CSE-MsgGUID: Jto1SK1uSc+WtDhYexKRUw== X-IronPort-AV: E=McAfee;i="6800,10657,11854"; a="96558572" X-IronPort-AV: E=Sophos;i="6.25,179,1779174000"; d="scan'208";a="96558572" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Jul 2026 18:37:53 -0700 X-CSE-ConnectionGUID: i+t0P73ZQG6A89qlnLnnbA== X-CSE-MsgGUID: lgUjlpm1Toy+x31md31S4Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,179,1779174000"; d="scan'208";a="258949336" Received: from smtp.ostc.intel.com ([10.54.29.231]) by orviesa009-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 22 Jul 2026 18:37:52 -0700 Received: from soc-2MQ6070HFF.clients.intel.com (unknown [10.125.128.219]) by smtp.ostc.intel.com (Postfix) with ESMTP id 3A19A6399; Wed, 22 Jul 2026 18:37:52 -0700 (PDT) From: Shreshth Srivastava To: Dave Hansen , Borislav Petkov , Jonathan Corbet , x86@kernel.org Cc: Shuah Khan , Randy Dunlap , Andrew Morton , Mike Rapoport , Dapeng Mi , Marco Elver , Ethan Nelson-Moore , Jakub Kicinski , Eric Biggers , Li RongQing , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Thomas Gleixner , Ingo Molnar , "H . Peter Anvin" , Shreshth Srivastava , Sohil Mehta , Tony Luck Subject: [PATCH] x86/mce: Document the mce=print_all command line parameter Date: Wed, 22 Jul 2026 18:37:30 -0700 Message-ID: <20260723013730.3033-1-shreshth.srivastava@intel.com> X-Mailer: git-send-email 2.53.0 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" The mce=3Dprint_all command line option is supported but has never been documented. Add it. Suggested-by: Sohil Mehta Signed-off-by: Shreshth Srivastava Acked-by: Tony Luck Acked-by: Randy Dunlap Reviewed-by: Sohil Mehta --- Documentation/admin-guide/kernel-parameters.txt | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentatio= n/admin-guide/kernel-parameters.txt index eb4e0d28f74b..0ec18a5597a2 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -3792,6 +3792,9 @@ Kernel parameters nobootlog disable boot machine check logging. =20 + print_all + print all machine check logs to the console. + monarchtimeout (number) sets the time in us to wait for other CPUs on machine checks. 0 to disable. --=20 2.53.0