From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754979AbcANWa1 (ORCPT ); Thu, 14 Jan 2016 17:30:27 -0500 Received: from mail-bn1bon0086.outbound.protection.outlook.com ([157.56.111.86]:2151 "EHLO na01-bn1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751996AbcANWaY (ORCPT ); Thu, 14 Jan 2016 17:30:24 -0500 X-Greylist: delayed 1962 seconds by postgrey-1.27 at vger.kernel.org; Thu, 14 Jan 2016 17:30:24 EST Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=Aravind.Gopalakrishnan@amd.com; From: Aravind Gopalakrishnan To: , , , , CC: , , , Aravind Gopalakrishnan Subject: [PATCH 3/5] x86/mcheck/AMD: Reduce number of blocks scanned per bank Date: Thu, 14 Jan 2016 16:05:38 -0600 Message-ID: <1452809140-3328-4-git-send-email-Aravind.Gopalakrishnan@amd.com> X-Mailer: git-send-email 2.7.0 In-Reply-To: <1452809140-3328-1-git-send-email-Aravind.Gopalakrishnan@amd.com> References: <1452809140-3328-1-git-send-email-Aravind.Gopalakrishnan@amd.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [165.204.77.1] X-ClientProxiedBy: BY1PR15CA0039.namprd15.prod.outlook.com (25.162.17.177) To BLUPR12MB0418.namprd12.prod.outlook.com (25.162.92.11) X-Microsoft-Exchange-Diagnostics: 1;BLUPR12MB0418;2:1GvTuiDf5Wta0S2PUmLK6EUo16k5CIdCwT/F/IwpNlS0SMxo5rWnAn7rmUk3ADDdfYzESKfXd09B6MXXVHjkptxTd2mVKBMGpSZI/CWyiynJ7MWB3G1ml7lmB2Bkoh4IcdW+sloV+djdz2qSGj7Xpg==;3:ff4XtflC+5YTkTFBQ3PwqBtSNdVnGRv6el82FPldA6uR8zN/rFMYrwTj88PmSEykIgBq+6Ml5WLUGcArN5XKtR7mdE2NQJqy5wnXMt89HinG4rVNzI/qY2Lml8PAxMfn;25:VQzl5MVHG5+kqBnO/nJPQQb12+K1KUghxMccEpxw3fD71roplQKcKbakqayrgXpy3xkU3mbke0m48wkZ9m2QSaQJLdIdJV/JLE4a1dq910sr8VIe7yAjTNGdifp7gR3CnwiFJxet3Zz9SrCvm+ufreGPEZFkLX1hi4SQeYI7ePCRZsjzQnnWJie2d1m4WabJ+2ZLJaROJMQPiTPBKIr0T2e3l9Lks7fLXSPSNpohKJBDvm8wv34gNH0bduFI6KYu X-Microsoft-Antispam: UriScan:;BCL:0;PCL:0;RULEID:;SRVR:BLUPR12MB0418; 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It is an architectural change from what we had on earlier processors. Changing the value of NRBLOCKS here to reflect that change. Although theoritically the total number of extended MCx_MISC registers was 8 in earlier processor families, in practice we only had to use the extra registers for MC4. And only 2 of those were used. So this change does not affect older processors. Tested it on Fam10h, Fam15h systems and works fine. Signed-off-by: Aravind Gopalakrishnan --- arch/x86/kernel/cpu/mcheck/mce_amd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/cpu/mcheck/mce_amd.c b/arch/x86/kernel/cpu/mcheck/mce_amd.c index da570a8..e650fdc 100644 --- a/arch/x86/kernel/cpu/mcheck/mce_amd.c +++ b/arch/x86/kernel/cpu/mcheck/mce_amd.c @@ -28,7 +28,7 @@ #include #include -#define NR_BLOCKS 9 +#define NR_BLOCKS 5 #define THRESHOLD_MAX 0xFFF #define INT_TYPE_APIC 0x00020000 #define MASK_VALID_HI 0x80000000 -- 2.7.0