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Thu, 23 Jan 2020 09:03:07 +0000 Received: from MN2PR18MB3408.namprd18.prod.outlook.com ([fe80::b96d:5663:6402:82ea]) by MN2PR18MB3408.namprd18.prod.outlook.com ([fe80::b96d:5663:6402:82ea%7]) with mapi id 15.20.2644.028; Thu, 23 Jan 2020 09:03:07 +0000 Received: from rric.localdomain (31.208.96.227) by HE1PR0902CA0010.eurprd09.prod.outlook.com (2603:10a6:3:e5::20) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.2644.20 via Frontend Transport; Thu, 23 Jan 2020 09:03:05 +0000 From: Robert Richter To: Borislav Petkov , Mauro Carvalho Chehab , Tony Luck CC: James Morse , Aristeu Rozanski , Robert Richter , "linux-edac@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: [PATCH v3 09/10] EDAC/mc: Remove detail[] string and cleanup error string generation Thread-Topic: [PATCH v3 09/10] EDAC/mc: Remove detail[] string and cleanup error string generation Thread-Index: AQHV0cvtQfuhM7KLJku6wzmNeEiLsg== Date: Thu, 23 Jan 2020 09:03:06 +0000 Message-ID: <20200123090210.26933-10-rrichter@marvell.com> References: <20200123090210.26933-1-rrichter@marvell.com> In-Reply-To: <20200123090210.26933-1-rrichter@marvell.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: HE1PR0902CA0010.eurprd09.prod.outlook.com (2603:10a6:3:e5::20) To MN2PR18MB3408.namprd18.prod.outlook.com (2603:10b6:208:165::10) x-ms-exchange-messagesentrepresentingtype: 1 x-mailer: git-send-email 2.20.1 x-originating-ip: [31.208.96.227] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: c394bfd5-5ef1-4d88-a1ad-08d79fe30fc2 x-ms-traffictypediagnostic: MN2PR18MB3247: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:2331; 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charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-MS-Exchange-CrossTenant-Network-Message-Id: c394bfd5-5ef1-4d88-a1ad-08d79fe30fc2 X-MS-Exchange-CrossTenant-originalarrivaltime: 23 Jan 2020 09:03:06.9609 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 70e1fb47-1155-421d-87fc-2e58f638b6e0 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: QLSM2ewPGmWrxqOSo9rzBHJsH5fhgcnt6sSG9m63rst7y/LeKFf0ehGf4+hiM+zsfRXbRSskiYPTwlJDroMDpg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR18MB3247 X-OriginatorOrg: marvell.com X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138,18.0.572 definitions=2020-01-22_08:2020-01-22,2020-01-22 signatures=0 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The error descriptor is passed to the error reporting functions, so the error details can be directly generated there. Move string generation from edac_raw_mc_handle_error() to edac_ce_error() and edac_ue_error(). The intermediate detail[] string can be removed then. Also, cleanup the string generation by switching to a single variant only using the ternary operator. Signed-off-by: Robert Richter Acked-by: Aristeu Rozanski --- drivers/edac/edac_mc.c | 83 +++++++++++++----------------------------- 1 file changed, 25 insertions(+), 58 deletions(-) diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c index c71af845ef16..60639def8697 100644 --- a/drivers/edac/edac_mc.c +++ b/drivers/edac/edac_mc.c @@ -995,27 +995,18 @@ static void edac_inc_ue_error(struct edac_raw_error_d= esc *e) } } =20 -static void edac_ce_error(struct edac_raw_error_desc *e, - const char *detail) +static void edac_ce_error(struct edac_raw_error_desc *e) { struct mem_ctl_info *mci =3D error_desc_to_mci(e); unsigned long remapped_page; - char *msg_aux =3D ""; - - if (*e->msg) - msg_aux =3D " "; =20 if (edac_mc_get_log_ce()) { - if (e->other_detail && *e->other_detail) - edac_mc_printk(mci, KERN_WARNING, - "%d CE %s%son %s (%s %s - %s)\n", - e->error_count, e->msg, msg_aux, e->label, - e->location, detail, e->other_detail); - else - edac_mc_printk(mci, KERN_WARNING, - "%d CE %s%son %s (%s %s)\n", - e->error_count, e->msg, msg_aux, e->label, - e->location, detail); + edac_mc_printk(mci, KERN_WARNING, + "%d CE %s%son %s (%s page:0x%lx offset:0x%lx grain:%ld syndrome:0x%lx%s= %s)\n", + e->error_count, e->msg, *e->msg ? " " : "", e->label, + e->location, e->page_frame_number, e->offset_in_page, + e->grain, e->syndrome, *e->other_detail ? " - " : "", + e->other_detail); } =20 edac_inc_ce_error(e); @@ -1040,36 +1031,24 @@ static void edac_ce_error(struct edac_raw_error_des= c *e, } } =20 -static void edac_ue_error(struct edac_raw_error_desc *e, - const char *detail) +static void edac_ue_error(struct edac_raw_error_desc *e) { struct mem_ctl_info *mci =3D error_desc_to_mci(e); - char *msg_aux =3D ""; - - if (*e->msg) - msg_aux =3D " "; =20 if (edac_mc_get_log_ue()) { - if (e->other_detail && *e->other_detail) - edac_mc_printk(mci, KERN_WARNING, - "%d UE %s%son %s (%s %s - %s)\n", - e->error_count, e->msg, msg_aux, e->label, - e->location, detail, e->other_detail); - else - edac_mc_printk(mci, KERN_WARNING, - "%d UE %s%son %s (%s %s)\n", - e->error_count, e->msg, msg_aux, e->label, - e->location, detail); + edac_mc_printk(mci, KERN_WARNING, + "%d UE %s%son %s (%s page:0x%lx offset:0x%lx grain:%ld%s%s)\n", + e->error_count, e->msg, *e->msg ? " " : "", e->label, + e->location, e->page_frame_number, e->offset_in_page, + e->grain, *e->other_detail ? " - " : "", + e->other_detail); } =20 if (edac_mc_get_panic_on_ue()) { - if (e->other_detail && *e->other_detail) - panic("UE %s%son %s (%s%s - %s)\n", - e->msg, msg_aux, e->label, e->location, detail, - e->other_detail); - else - panic("UE %s%son %s (%s%s)\n", - e->msg, msg_aux, e->label, e->location, detail); + panic("UE %s%son %s (%s page:0x%lx offset:0x%lx grain:%ld%s%s)\n", + e->msg, *e->msg ? " " : "", e->label, e->location, + e->page_frame_number, e->offset_in_page, e->grain, + *e->other_detail ? " - " : "", e->other_detail); } =20 edac_inc_ue_error(e); @@ -1098,7 +1077,6 @@ static void edac_inc_csrow(struct edac_raw_error_desc= *e, int row, int chan) void edac_raw_mc_handle_error(struct edac_raw_error_desc *e) { struct mem_ctl_info *mci =3D error_desc_to_mci(e); - char detail[80]; u8 grain_bits; =20 /* Sanity-check driver-supplied grain value. */ @@ -1115,22 +1093,10 @@ void edac_raw_mc_handle_error(struct edac_raw_error= _desc *e) (e->page_frame_number << PAGE_SHIFT) | e->offset_in_page, grain_bits, e->syndrome, e->other_detail); =20 - /* Memory type dependent details about the error */ - if (e->type =3D=3D HW_EVENT_ERR_CORRECTED) { - snprintf(detail, sizeof(detail), - "page:0x%lx offset:0x%lx grain:%ld syndrome:0x%lx", - e->page_frame_number, e->offset_in_page, - e->grain, e->syndrome); - edac_ce_error(e, detail); - } else { - snprintf(detail, sizeof(detail), - "page:0x%lx offset:0x%lx grain:%ld", - e->page_frame_number, e->offset_in_page, e->grain); - - edac_ue_error(e, detail); - } - - + if (e->type =3D=3D HW_EVENT_ERR_CORRECTED) + edac_ce_error(e); + else + edac_ue_error(e); } EXPORT_SYMBOL_GPL(edac_raw_mc_handle_error); =20 @@ -1166,8 +1132,9 @@ void edac_mc_handle_error(const enum hw_event_mc_err_= type type, e->page_frame_number =3D page_frame_number; e->offset_in_page =3D offset_in_page; e->syndrome =3D syndrome; - e->msg =3D msg; - e->other_detail =3D other_detail; + /* need valid strings here for both: */ + e->msg =3D msg ? msg : ""; + e->other_detail =3D other_detail ? other_detail : ""; =20 /* * Check if the event report is consistent and if the memory --=20 2.20.1