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,URIBL_BLOCKED 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 C0697ECDFB1 for ; Tue, 17 Jul 2018 14:55:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 872352086E for ; Tue, 17 Jul 2018 14:55:16 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 872352086E 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 S1731871AbeGQP2P (ORCPT ); Tue, 17 Jul 2018 11:28:15 -0400 Received: from terminus.zytor.com ([198.137.202.136]:53767 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731617AbeGQP2P (ORCPT ); Tue, 17 Jul 2018 11:28:15 -0400 Received: from terminus.zytor.com (localhost [127.0.0.1]) by terminus.zytor.com (8.15.2/8.15.2) with ESMTPS id w6HEsqEc1549491 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Tue, 17 Jul 2018 07:54:52 -0700 Received: (from tipbot@localhost) by terminus.zytor.com (8.15.2/8.15.2/Submit) id w6HEsqN31549488; Tue, 17 Jul 2018 07:54:52 -0700 Date: Tue, 17 Jul 2018 07:54:52 -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: bp@suse.de, tony.luck@intel.com, linux-kernel@vger.kernel.org, linux-edac@vger.kernel.org, mingo@kernel.org, tglx@linutronix.de, thibaut.dewet@nokia.com, alexander.sverdlin@nokia.com, hpa@zytor.com Reply-To: tglx@linutronix.de, bp@suse.de, tony.luck@intel.com, linux-kernel@vger.kernel.org, mingo@kernel.org, linux-edac@vger.kernel.org, thibaut.dewet@nokia.com, alexander.sverdlin@nokia.com, hpa@zytor.com 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: fd4054b31af283af9ec44895e561bbb3449ad81d 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: fd4054b31af283af9ec44895e561bbb3449ad81d Gitweb: https://git.kernel.org/tip/fd4054b31af283af9ec44895e561bbb3449ad81d Author: Dewet Thibaut AuthorDate: Mon, 16 Jul 2018 10:49:27 +0200 Committer: Thomas Gleixner CommitDate: Tue, 17 Jul 2018 16:50:17 +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 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 07:54:52 -0700 To: linux-tip-commits@vger.kernel.org Cc: bp@suse.de, tony.luck@intel.com, linux-kernel@vger.kernel.org, linux-edac@vger.kernel.org, mingo@kernel.org, tglx@linutronix.de, thibaut.dewet@nokia.com, alexander.sverdlin@nokia.com, hpa@zytor.com List-ID: Q29tbWl0LUlEOiAgZmQ0MDU0YjMxYWYyODNhZjllYzQ0ODk1ZTU2MWJiYjM0NDlhZDgxZApHaXR3 ZWI6ICAgICBodHRwczovL2dpdC5rZXJuZWwub3JnL3RpcC9mZDQwNTRiMzFhZjI4M2FmOWVjNDQ4 OTVlNTYxYmJiMzQ0OWFkODFkCkF1dGhvcjogICAgIERld2V0IFRoaWJhdXQgPHRoaWJhdXQuZGV3 ZXRAbm9raWEuY29tPgpBdXRob3JEYXRlOiBNb24sIDE2IEp1bCAyMDE4IDEwOjQ5OjI3ICswMjAw CkNvbW1pdHRlcjogIFRob21hcyBHbGVpeG5lciA8dGdseEBsaW51dHJvbml4LmRlPgpDb21taXRE YXRlOiBUdWUsIDE3IEp1bCAyMDE4IDE2OjUwOjE3ICswMjAwCgp4ODYvTUNFOiBSZW1vdmUgbWlu IGludGVydmFsIHBvbGxpbmcgbGltaXRhdGlvbgoKY29tbWl0IGIzYjdjNDc5NWMgKCJ4ODYvTUNF OiBTZXJpYWxpemUgc3lzZnMgY2hhbmdlcyIpIGludHJvZHVjZWQgYSBtaW4KaW50ZXJ2YWwgbGlt aXRhdGlvbiB3aGVuIHNldHRpbmcgdGhlIGNoZWNrIGludGVydmFsIGZvciBwb2xsZWQgTUNFcy4K SG93ZXZlciwgdGhlIGxvZ2ljIGlzIHRoYXQgMCBkaXNhYmxlcyBwb2xsaW5nIGZvciBjb3JyZWN0 ZWQgTUNFcywgc2VlCkRvY3VtZW50YXRpb24veDg2L3g4Nl82NC9tYWNoaW5lY2hlY2suIFRoZSBs aW1pdGF0aW9uIHByZXZlbnRzIGRpc2FibGluZy4KClJlbW92ZSB0aGlzIGxpbWl0YXRpb24gYW5k IGFsbG93IHRoZSB2YWx1ZSAwIHRvIGRpc2FibGUgcG9sbGluZyBhZ2Fpbi4KCkZpeGVzOiBiM2I3 YzQ3OTVjICgieDg2L01DRTogU2VyaWFsaXplIHN5c2ZzIGNoYW5nZXMiKQpTaWduZWQtb2ZmLWJ5 OiBEZXdldCBUaGliYXV0IDx0aGliYXV0LmRld2V0QG5va2lhLmNvbT4KU2lnbmVkLW9mZi1ieTog QWxleGFuZGVyIFN2ZXJkbGluIDxhbGV4YW5kZXIuc3ZlcmRsaW5Abm9raWEuY29tPgpbIE1hc3Nh Z2UgY29tbWl0IG1lc3NhZ2UuIF0KU2lnbmVkLW9mZi1ieTogQm9yaXNsYXYgUGV0a292IDxicEBz dXNlLmRlPgpDYzogVG9ueSBMdWNrIDx0b255Lmx1Y2tAaW50ZWwuY29tPgpDYzogbGludXgtZWRh YyA8bGludXgtZWRhY0B2Z2VyLmtlcm5lbC5vcmc+CkNjOiBzdGFibGVAdmdlci5rZXJuZWwub3Jn Ckxpbms6IGh0dHA6Ly9sa21sLmtlcm5lbC5vcmcvci8yMDE4MDcxNjA4NDkyNy4yNDg2OS0xLWFs ZXhhbmRlci5zdmVyZGxpbkBub2tpYS5jb20KLS0tCiBhcmNoL3g4Ni9rZXJuZWwvY3B1L21jaGVj ay9tY2UuYyB8IDMgLS0tCiAxIGZpbGUgY2hhbmdlZCwgMyBkZWxldGlvbnMoLSkKCi0tClRvIHVu c3Vic2NyaWJlIGZyb20gdGhpcyBsaXN0OiBzZW5kIHRoZSBsaW5lICJ1bnN1YnNjcmliZSBsaW51 eC1lZGFjIiBpbgp0aGUgYm9keSBvZiBhIG1lc3NhZ2UgdG8gbWFqb3Jkb21vQHZnZXIua2VybmVs Lm9yZwpNb3JlIG1ham9yZG9tbyBpbmZvIGF0ICBodHRwOi8vdmdlci5rZXJuZWwub3JnL21ham9y ZG9tby1pbmZvLmh0bWwKCmRpZmYgLS1naXQgYS9hcmNoL3g4Ni9rZXJuZWwvY3B1L21jaGVjay9t Y2UuYyBiL2FyY2gveDg2L2tlcm5lbC9jcHUvbWNoZWNrL21jZS5jCmluZGV4IGMxMDJhZDUxMDI1 ZS4uOGM1MDc1NGMwOWMxIDEwMDY0NAotLS0gYS9hcmNoL3g4Ni9rZXJuZWwvY3B1L21jaGVjay9t Y2UuYworKysgYi9hcmNoL3g4Ni9rZXJuZWwvY3B1L21jaGVjay9tY2UuYwpAQCAtMjE2NSw5ICsy MTY1LDYgQEAgc3RhdGljIHNzaXplX3Qgc3RvcmVfaW50X3dpdGhfcmVzdGFydChzdHJ1Y3QgZGV2 aWNlICpzLAogCWlmIChjaGVja19pbnRlcnZhbCA9PSBvbGRfY2hlY2tfaW50ZXJ2YWwpCiAJCXJl dHVybiByZXQ7CiAKLQlpZiAoY2hlY2tfaW50ZXJ2YWwgPCAxKQotCQljaGVja19pbnRlcnZhbCA9 IDE7Ci0KIAltdXRleF9sb2NrKCZtY2Vfc3lzZnNfbXV0ZXgpOwogCW1jZV9yZXN0YXJ0KCk7CiAJ bXV0ZXhfdW5sb2NrKCZtY2Vfc3lzZnNfbXV0ZXgpOwo=