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Fri, 22 Apr 2022 22:45:48 +0000 From: Jane Chu To: dan.j.williams@intel.com, bp@alien8.de, hch@infradead.org, dave.hansen@intel.com, peterz@infradead.org, luto@kernel.org, david@fromorbit.com, djwong@kernel.org, linux-fsdevel@vger.kernel.org, nvdimm@lists.linux.dev, linux-kernel@vger.kernel.org, x86@kernel.org Date: Fri, 22 Apr 2022 16:45:02 -0600 Message-Id: <20220422224508.440670-2-jane.chu@oracle.com> In-Reply-To: <20220422224508.440670-1-jane.chu@oracle.com> References: <20220422224508.440670-1-jane.chu@oracle.com> X-ClientProxiedBy: SN1PR12CA0057.namprd12.prod.outlook.com (2603:10b6:802:20::28) To SJ0PR10MB4429.namprd10.prod.outlook.com (2603:10b6:a03:2d1::14) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: a8aa2a83-9940-4263-57c7-08da24b1d844 X-MS-TrafficTypeDiagnostic: BYAPR10MB2550:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0 X-Microsoft-Antispam-Message-Info: LO5z5Wm/1zJjg85z3zmIpfAq/rfTrZNxTHMCb9bgtIyyhYz/XBIf3knCn/3q8K/R+bUQId183VwdwE+tZzinwkbfoLvsbf1Q81UJ4gMBhzt6iUitqw4NpKJBWbiHQrA2UXPEYAm89dIZCRIQGXQ6ZLGlfWC+gvXq7iYkw5PItOoMxjGb1ptzGXGS9Q3vBcRAYHnF4D5Ron04EvC7e/GxxAcrWN3o1m+4fCforbI4awSRy30bDnOhHXJ0ogrfwpqV3g5XKqd9VjjSoLmvxzvqKF9gTulu3hpU+t7BJ7ScjJMWU/bjlSJGKovE4tNYIRomfId8kZ2O9tev3UNNnsvVsiTFJbT/pAF1dwaoX7cZVy5GPM/AEORsPljaSKttcIC0iYyPOCcwcgw3Pi508edvUqqbDa+w2rUwV0T8+10IOtJAbe8KXCWR7bqQeWL6gEgZ9acc4soqGbs52X8IYefvoVcpc63NJ/4KlEitPIZRxxhPGKtAss2AR6YrBFcw6Ghu2BK2F3O7/H3is/UL9devtJ298zKaexPQh79hYDlRSos6AbnBUtFYpVZXaQubX0UChm7vwCXfInF3vZO5ev13uUwoh9Rxxt8fyFtj3FnYc3PaWqN1ecqpWK0hxY0/BD8VoHWhCI+3XyNwviofeGZ1Gj2kWfF/bYC2OBhbEXfUrzNEiFhDLTTjwQG084gPHStgf0NYEZ8gf72cJk0PH6Kz7A== X-Forefront-Antispam-Report: CIP:255.255.255.255; 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Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 2.85 on 10.11.54.9 Subject: [dm-devel] [PATCH v9 1/7] acpi/nfit: rely on mce->misc to determine poison granularity X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.29 Precedence: list List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: dave.jiang@intel.com, snitzer@redhat.com, vishal.l.verma@intel.com, willy@infradead.org, dm-devel@redhat.com, vgoyal@redhat.com, ira.weiny@intel.com, agk@redhat.com Errors-To: dm-devel-bounces@redhat.com Sender: "dm-devel" X-Scanned-By: MIMEDefang 2.85 on 10.11.54.9 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dm-devel-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com nfit_handle_mec() hardcode poison granularity at L1_CACHE_BYTES. Instead, let the driver rely on mce->misc register to determine the poison granularity. Suggested-by: Dan Williams Reviewed-by: Dan Williams Signed-off-by: Jane Chu --- drivers/acpi/nfit/mce.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/acpi/nfit/mce.c b/drivers/acpi/nfit/mce.c index ee8d9973f60b..d48a388b796e 100644 --- a/drivers/acpi/nfit/mce.c +++ b/drivers/acpi/nfit/mce.c @@ -32,6 +32,7 @@ static int nfit_handle_mce(struct notifier_block *nb, unsigned long val, */ mutex_lock(&acpi_desc_lock); list_for_each_entry(acpi_desc, &acpi_descs, list) { + unsigned int align = 1UL << MCI_MISC_ADDR_LSB(mce->misc); struct device *dev = acpi_desc->dev; int found_match = 0; @@ -63,8 +64,7 @@ static int nfit_handle_mce(struct notifier_block *nb, unsigned long val, /* If this fails due to an -ENOMEM, there is little we can do */ nvdimm_bus_add_badrange(acpi_desc->nvdimm_bus, - ALIGN(mce->addr, L1_CACHE_BYTES), - L1_CACHE_BYTES); + ALIGN_DOWN(mce->addr, align), align); nvdimm_region_notify(nfit_spa->nd_region, NVDIMM_REVALIDATE_POISON);