From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B79F8ECDFB1 for ; Tue, 17 Jul 2018 16:01:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7D13B2083B for ; Tue, 17 Jul 2018 16:01:08 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7D13B2083B Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=zytor.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731073AbeGQQeZ (ORCPT ); Tue, 17 Jul 2018 12:34:25 -0400 Received: from terminus.zytor.com ([198.137.202.136]:58991 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730421AbeGQQeY (ORCPT ); Tue, 17 Jul 2018 12:34:24 -0400 Received: from terminus.zytor.com (localhost [127.0.0.1]) by terminus.zytor.com (8.15.2/8.15.2) with ESMTPS id w6HG0oaJ1568359 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Tue, 17 Jul 2018 09:00:50 -0700 Received: (from tipbot@localhost) by terminus.zytor.com (8.15.2/8.15.2/Submit) id w6HG0o4O1568356; Tue, 17 Jul 2018 09:00:50 -0700 Date: Tue, 17 Jul 2018 09:00:50 -0700 X-Authentication-Warning: terminus.zytor.com: tipbot set sender to tipbot@zytor.com using -f From: tip-bot for Dewet Thibaut Message-ID: Cc: thibaut.dewet@nokia.com, alexander.sverdlin@nokia.com, mingo@kernel.org, tony.luck@intel.com, linux-edac@vger.kernel.org, bp@suse.de, linux-kernel@vger.kernel.org, hpa@zytor.com, tglx@linutronix.de Reply-To: mingo@kernel.org, tony.luck@intel.com, alexander.sverdlin@nokia.com, thibaut.dewet@nokia.com, hpa@zytor.com, linux-kernel@vger.kernel.org, bp@suse.de, tglx@linutronix.de, linux-edac@vger.kernel.org In-Reply-To: <20180716084927.24869-1-alexander.sverdlin@nokia.com> References: <20180716084927.24869-1-alexander.sverdlin@nokia.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:x86/urgent] x86/MCE: Remove min interval polling limitation Git-Commit-ID: fbdb328c6bae0a7c78d75734a738b66b86dffc96 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: fbdb328c6bae0a7c78d75734a738b66b86dffc96 Gitweb: https://git.kernel.org/tip/fbdb328c6bae0a7c78d75734a738b66b86dffc96 Author: Dewet Thibaut AuthorDate: Mon, 16 Jul 2018 10:49:27 +0200 Committer: Thomas Gleixner CommitDate: Tue, 17 Jul 2018 17:56:25 +0200 x86/MCE: Remove min interval polling limitation commit b3b7c4795c ("x86/MCE: Serialize sysfs changes") introduced a min interval limitation when setting the check interval for polled MCEs. However, the logic is that 0 disables polling for corrected MCEs, see Documentation/x86/x86_64/machinecheck. The limitation prevents disabling. Remove this limitation and allow the value 0 to disable polling again. Fixes: b3b7c4795c ("x86/MCE: Serialize sysfs changes") Signed-off-by: Dewet Thibaut Signed-off-by: Alexander Sverdlin [ Massage commit message. ] Signed-off-by: Borislav Petkov Signed-off-by: Thomas Gleixner Cc: Tony Luck Cc: linux-edac Cc: stable@vger.kernel.org Link: http://lkml.kernel.org/r/20180716084927.24869-1-alexander.sverdlin@nokia.com --- arch/x86/kernel/cpu/mcheck/mce.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index c102ad51025e..8c50754c09c1 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -2165,9 +2165,6 @@ static ssize_t store_int_with_restart(struct device *s, if (check_interval == old_check_interval) return ret; - if (check_interval < 1) - check_interval = 1; - mutex_lock(&mce_sysfs_mutex); mce_restart(); mutex_unlock(&mce_sysfs_mutex); From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: base64 Subject: [tip:x86/urgent] x86/MCE: Remove min interval polling limitation From: tip-bot for Borislav Petkov Message-Id: Date: Tue, 17 Jul 2018 09:00:50 -0700 To: linux-tip-commits@vger.kernel.org Cc: thibaut.dewet@nokia.com, alexander.sverdlin@nokia.com, mingo@kernel.org, tony.luck@intel.com, linux-edac@vger.kernel.org, bp@suse.de, linux-kernel@vger.kernel.org, hpa@zytor.com, tglx@linutronix.de List-ID: Q29tbWl0LUlEOiAgZmJkYjMyOGM2YmFlMGE3Yzc4ZDc1NzM0YTczOGI2NmI4NmRmZmM5NgpHaXR3 ZWI6ICAgICBodHRwczovL2dpdC5rZXJuZWwub3JnL3RpcC9mYmRiMzI4YzZiYWUwYTdjNzhkNzU3 MzRhNzM4YjY2Yjg2ZGZmYzk2CkF1dGhvcjogICAgIERld2V0IFRoaWJhdXQgPHRoaWJhdXQuZGV3 ZXRAbm9raWEuY29tPgpBdXRob3JEYXRlOiBNb24sIDE2IEp1bCAyMDE4IDEwOjQ5OjI3ICswMjAw CkNvbW1pdHRlcjogIFRob21hcyBHbGVpeG5lciA8dGdseEBsaW51dHJvbml4LmRlPgpDb21taXRE YXRlOiBUdWUsIDE3IEp1bCAyMDE4IDE3OjU2OjI1ICswMjAwCgp4ODYvTUNFOiBSZW1vdmUgbWlu IGludGVydmFsIHBvbGxpbmcgbGltaXRhdGlvbgoKY29tbWl0IGIzYjdjNDc5NWMgKCJ4ODYvTUNF OiBTZXJpYWxpemUgc3lzZnMgY2hhbmdlcyIpIGludHJvZHVjZWQgYSBtaW4KaW50ZXJ2YWwgbGlt aXRhdGlvbiB3aGVuIHNldHRpbmcgdGhlIGNoZWNrIGludGVydmFsIGZvciBwb2xsZWQgTUNFcy4K SG93ZXZlciwgdGhlIGxvZ2ljIGlzIHRoYXQgMCBkaXNhYmxlcyBwb2xsaW5nIGZvciBjb3JyZWN0 ZWQgTUNFcywgc2VlCkRvY3VtZW50YXRpb24veDg2L3g4Nl82NC9tYWNoaW5lY2hlY2suIFRoZSBs aW1pdGF0aW9uIHByZXZlbnRzIGRpc2FibGluZy4KClJlbW92ZSB0aGlzIGxpbWl0YXRpb24gYW5k IGFsbG93IHRoZSB2YWx1ZSAwIHRvIGRpc2FibGUgcG9sbGluZyBhZ2Fpbi4KCkZpeGVzOiBiM2I3 YzQ3OTVjICgieDg2L01DRTogU2VyaWFsaXplIHN5c2ZzIGNoYW5nZXMiKQpTaWduZWQtb2ZmLWJ5 OiBEZXdldCBUaGliYXV0IDx0aGliYXV0LmRld2V0QG5va2lhLmNvbT4KU2lnbmVkLW9mZi1ieTog QWxleGFuZGVyIFN2ZXJkbGluIDxhbGV4YW5kZXIuc3ZlcmRsaW5Abm9raWEuY29tPgpbIE1hc3Nh Z2UgY29tbWl0IG1lc3NhZ2UuIF0KU2lnbmVkLW9mZi1ieTogQm9yaXNsYXYgUGV0a292IDxicEBz dXNlLmRlPgpTaWduZWQtb2ZmLWJ5OiBUaG9tYXMgR2xlaXhuZXIgPHRnbHhAbGludXRyb25peC5k ZT4KQ2M6IFRvbnkgTHVjayA8dG9ueS5sdWNrQGludGVsLmNvbT4KQ2M6IGxpbnV4LWVkYWMgPGxp bnV4LWVkYWNAdmdlci5rZXJuZWwub3JnPgpDYzogc3RhYmxlQHZnZXIua2VybmVsLm9yZwpMaW5r OiBodHRwOi8vbGttbC5rZXJuZWwub3JnL3IvMjAxODA3MTYwODQ5MjcuMjQ4NjktMS1hbGV4YW5k ZXIuc3ZlcmRsaW5Abm9raWEuY29tCi0tLQogYXJjaC94ODYva2VybmVsL2NwdS9tY2hlY2svbWNl LmMgfCAzIC0tLQogMSBmaWxlIGNoYW5nZWQsIDMgZGVsZXRpb25zKC0pCgotLQpUbyB1bnN1YnNj cmliZSBmcm9tIHRoaXMgbGlzdDogc2VuZCB0aGUgbGluZSAidW5zdWJzY3JpYmUgbGludXgtZWRh YyIgaW4KdGhlIGJvZHkgb2YgYSBtZXNzYWdlIHRvIG1ham9yZG9tb0B2Z2VyLmtlcm5lbC5vcmcK TW9yZSBtYWpvcmRvbW8gaW5mbyBhdCAgaHR0cDovL3ZnZXIua2VybmVsLm9yZy9tYWpvcmRvbW8t aW5mby5odG1sCgpkaWZmIC0tZ2l0IGEvYXJjaC94ODYva2VybmVsL2NwdS9tY2hlY2svbWNlLmMg Yi9hcmNoL3g4Ni9rZXJuZWwvY3B1L21jaGVjay9tY2UuYwppbmRleCBjMTAyYWQ1MTAyNWUuLjhj NTA3NTRjMDljMSAxMDA2NDQKLS0tIGEvYXJjaC94ODYva2VybmVsL2NwdS9tY2hlY2svbWNlLmMK KysrIGIvYXJjaC94ODYva2VybmVsL2NwdS9tY2hlY2svbWNlLmMKQEAgLTIxNjUsOSArMjE2NSw2 IEBAIHN0YXRpYyBzc2l6ZV90IHN0b3JlX2ludF93aXRoX3Jlc3RhcnQoc3RydWN0IGRldmljZSAq cywKIAlpZiAoY2hlY2tfaW50ZXJ2YWwgPT0gb2xkX2NoZWNrX2ludGVydmFsKQogCQlyZXR1cm4g cmV0OwogCi0JaWYgKGNoZWNrX2ludGVydmFsIDwgMSkKLQkJY2hlY2tfaW50ZXJ2YWwgPSAxOwot CiAJbXV0ZXhfbG9jaygmbWNlX3N5c2ZzX211dGV4KTsKIAltY2VfcmVzdGFydCgpOwogCW11dGV4 X3VubG9jaygmbWNlX3N5c2ZzX211dGV4KTsK