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Tue, 5 Nov 2019 19:52:17 +0000 From: Alexey Brodkin To: Sasha Levin , Greg Kroah-Hartman Subject: RE: [PATCH] ARC: perf: Accommodate big-endian CPU Thread-Topic: [PATCH] ARC: perf: Accommodate big-endian CPU Thread-Index: AQHViOHYaz1MyBn4kUuKPCgMuDadHqds68WAgBAmUXA= Date: Tue, 5 Nov 2019 19:52:16 +0000 Message-ID: References: <20191022140411.10193-1-abrodkin@synopsys.com> <20191026131042.73A7E206DD@mail.kernel.org> In-Reply-To: <20191026131042.73A7E206DD@mail.kernel.org> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: spf=none (sender IP is ) smtp.mailfrom=abrodkin@synopsys.com; x-originating-ip: [188.243.7.154] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 717a651f-0a78-4be8-770f-08d76229a965 x-ms-traffictypediagnostic: CY4PR1201MB0005: x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:1122; x-forefront-prvs: 0212BDE3BE x-forefront-antispam-report: SFV:NSPM; SFS:(10019020)(39860400002)(136003)(346002)(396003)(376002)(366004)(13464003)(189003)(199004)(102836004)(99286004)(14454004)(6246003)(256004)(186003)(25786009)(64756008)(33656002)(66556008)(76176011)(229853002)(66066001)(6436002)(8676002)(66476007)(66446008)(2906002)(66946007)(52536014)(71200400001)(316002)(110136005)(81156014)(76116006)(81166006)(9686003)(476003)(71190400001)(26005)(55016002)(53546011)(6506007)(8936002)(74316002)(54906003)(486006)(4326008)(5660300002)(478600001)(7696005)(7736002)(6116002)(3846002)(86362001)(11346002)(446003)(305945005); 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+linux-snps-arc=archiver.kernel.org@lists.infradead.org Hi Sasha, Greg, > -----Original Message----- > From: Sasha Levin > Sent: Saturday, October 26, 2019 4:11 PM > To: Sasha Levin ; Alexey Brodkin ; linux-snps- > arc@lists.infradead.org > Cc: linux-kernel@vger.kernel.org; stable@vger.kernel.org; stable@vger.kernel.org > Subject: Re: [PATCH] ARC: perf: Accommodate big-endian CPU > > Hi, > > [This is an automated email] > > This commit has been processed because it contains a -stable tag. > The stable tag indicates that it's relevant for the following trees: all > > The bot has tested the following trees: v5.3.7, v4.19.80, v4.14.150, v4.9.197, v4.4.197. > > v5.3.7: Build OK! > v4.19.80: Failed to apply! Possible dependencies: > 0e956150fe09f ("ARC: perf: introduce Kernel PMU events support") > 14f81a91ad29a ("ARC: perf: trivial code cleanup") > baf9cc85ba01f ("ARC: perf: move HW events mapping to separate function") > v4.14.150: Failed to apply! Possible dependencies: > v4.9.197: Failed to apply! Possible dependencies: > v4.4.197: Failed to apply! Possible dependencies: Indeed the clash is due to commit baf9cc85ba01f ("ARC: perf: move HW events mapping to separate function") as tmp variable "j" was changed on "i". So that's a fixed hunk: -------------------------------->8------------------------------ diff --git a/arch/arc/kernel/perf_event.c b/arch/arc/kernel/perf_event.c index 8aec462d90fb..30f66b123541 100644 --- a/arch/arc/kernel/perf_event.c +++ b/arch/arc/kernel/perf_event.c @@ -490,8 +490,8 @@ static int arc_pmu_device_probe(struct platform_device *pdev) /* loop thru all available h/w condition indexes */ for (j = 0; j < cc_bcr.c; j++) { write_aux_reg(ARC_REG_CC_INDEX, j); - cc_name.indiv.word0 = read_aux_reg(ARC_REG_CC_NAME0); - cc_name.indiv.word1 = read_aux_reg(ARC_REG_CC_NAME1); + cc_name.indiv.word0 = le32_to_cpu(read_aux_reg(ARC_REG_CC_NAME0)); + cc_name.indiv.word1 = le32_to_cpu(read_aux_reg(ARC_REG_CC_NAME1)); /* See if it has been mapped to a perf event_id */ for (i = 0; i < ARRAY_SIZE(arc_pmu_ev_hw_map); i++) { -------------------------------->8------------------------------ Should I send a formal patch with it or it's OK for now? -Alexey _______________________________________________ linux-snps-arc mailing list linux-snps-arc@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-snps-arc