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Tue, 30 Jul 2019 20:41:53 +0000 From: Atish Patra To: "palmer@sifive.com" CC: "linux-riscv@lists.infradead.org" , "alankao@andestech.com" , "gregkh@linuxfoundation.org" , "daniel.lezcano@linaro.org" , "paul.walmsley@sifive.com" , "linux-kernel@vger.kernel.org" , "allison@lohutok.net" , "johan@kernel.org" , "aou@eecs.berkeley.edu" , "tglx@linutronix.de" , Anup Patel Subject: Re: [PATCH 3/4] RISC-V: Support case insensitive ISA string parsing. Thread-Topic: [PATCH 3/4] RISC-V: Support case insensitive ISA string parsing. 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Tue, 30 Jul 2019 20:41:53 +0000 From: Atish Patra To: "palmer@sifive.com" Subject: Re: [PATCH 3/4] RISC-V: Support case insensitive ISA string parsing. Thread-Topic: [PATCH 3/4] RISC-V: Support case insensitive ISA string parsing. Thread-Index: AQHVQ+refROWkRWGQ0GJqrWaHX74e6bdXtyAgAAaDYCABRDYAIABHNgA Date: Tue, 30 Jul 2019 20:41:52 +0000 Message-ID: <889b697be9eec05c67fea97919b4c814c4a7ef4a.camel@wdc.com> References: In-Reply-To: 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=Atish.Patra@wdc.com; x-originating-ip: [199.255.44.250] x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 0c486f84-c5d5-4ef7-a849-08d7152e5ab7 x-ms-office365-filtering-ht: Tenant x-microsoft-antispam: BCL:0; PCL:0; RULEID:(2390118)(7020095)(4652040)(8989299)(4534185)(4627221)(201703031133081)(201702281549075)(8990200)(5600148)(711020)(4605104)(1401327)(4618075)(2017052603328)(7193020); SRVR:BYAPR04MB4919; x-ms-traffictypediagnostic: BYAPR04MB4919: x-microsoft-antispam-prvs: wdcipoutbound: EOP-TRUE x-ms-oob-tlc-oobclassifiers: OLM:9508; x-forefront-prvs: 0114FF88F6 x-forefront-antispam-report: SFV:NSPM; SFS:(10019020)(4636009)(136003)(346002)(366004)(376002)(396003)(39860400002)(189003)(199004)(68736007)(186003)(2906002)(6486002)(6436002)(8676002)(86362001)(478600001)(316002)(81156014)(81166006)(3846002)(54906003)(2501003)(229853002)(7736002)(1730700003)(6116002)(305945005)(71190400001)(6916009)(66446008)(118296001)(71200400001)(6246003)(64756008)(66556008)(66476007)(99286004)(486006)(2351001)(446003)(66066001)(4326008)(8936002)(14454004)(66946007)(36756003)(76116006)(102836004)(5660300002)(53546011)(476003)(26005)(7416002)(76176011)(256004)(5640700003)(25786009)(53936002)(2616005)(11346002)(6512007)(6506007); DIR:OUT; SFP:1102; SCL:1; SRVR:BYAPR04MB4919; H:BYAPR04MB3782.namprd04.prod.outlook.com; FPR:; SPF:None; LANG:en; PTR:InfoNoRecords; MX:1; A:1; x-ms-exchange-senderadcheck: 1 x-microsoft-antispam-message-info: MywKjlj1/f8AlF3mD9usUStEy1HYPW329L8o/t1zHPLIcLeCLEch3J3trQBLAa3ce7iE2QA9No0p3K5S4bhmkcqBt4dtmpjnAhMkSmpaUxGz9TYD8AqLDHXQtMYKCGG7aigju/RujaIqdRUvxprkNC0d7dCJG9BoMDTcNZiM+Kg5oIg1/3c4Db9fQWAFSwWln4eQD2cUTgCXDaThq32OzbAgGmJI02G6UvJVqJdgfYUVi5mhcWS095XEC9zxc7LNc+ODpCxVcibZ15Hhv1vFY3hcqGU/cxd0fgdim6bL8I/a9oHlRguqrMyVGNqtW5dKfl41Er/mQkIypmJ3N7bXwxTDKRfGiICtx+acFtt+NVoVDAD8JEdWy4FJr52JLTrt844328Y4C7+NIqndGIo1nYI3Oo6nxL60l53xormFN34= Content-ID: MIME-Version: 1.0 X-OriginatorOrg: wdc.com X-MS-Exchange-CrossTenant-Network-Message-Id: 0c486f84-c5d5-4ef7-a849-08d7152e5ab7 X-MS-Exchange-CrossTenant-originalarrivaltime: 30 Jul 2019 20:41:52.8810 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: b61c8803-16f3-4c35-9b17-6f65f441df86 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: Atish.Patra@wdc.com X-MS-Exchange-Transport-CrossTenantHeadersStamped: BYAPR04MB4919 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190730_134159_838308_0827C01B X-CRM114-Status: GOOD ( 16.81 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "aou@eecs.berkeley.edu" , "alankao@andestech.com" , "gregkh@linuxfoundation.org" , "daniel.lezcano@linaro.org" , "linux-kernel@vger.kernel.org" , "johan@kernel.org" , Anup Patel , "paul.walmsley@sifive.com" , "linux-riscv@lists.infradead.org" , "tglx@linutronix.de" , "allison@lohutok.net" Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org On Mon, 2019-07-29 at 20:42 -0700, Palmer Dabbelt wrote: > On Fri, 26 Jul 2019 15:20:47 PDT (-0700), Atish Patra wrote: > > On 7/26/19 1:47 PM, Paul Walmsley wrote: > > > On Fri, 26 Jul 2019, Atish Patra wrote: > > > > > > > As per riscv specification, ISA naming strings are > > > > case insensitive. However, currently only lower case > > > > strings are parsed during cpu procfs. > > > > > > > > Support parsing of upper case letters as well. > > > > > > > > Signed-off-by: Atish Patra > > > > > > Is there a use case that's driving this, or > > > > Currently, we use all lower case isa string in kvmtool. But > > somebody can > > have uppercase letters in future as spec allows it. > > > > > > can we just say, "use > > > lowercase letters" and leave it at that? > > > > > > > In that case, it will not comply with RISC-V spec. Is that okay ? > > We could make the platform spec say "use lowercase letters" and wipe > our hands > of it -- IIRC we still only support the lower case letters in GCC due > to > multilib headaches, so it's kind of the de-facto standard already. > Sounds good. That's what I suggested in earlier email as well. It would be good to add "use lowercase letters" in yaml documentation as well just to avoid any confusion at all. I will send a v2 soon. Regards, Atish > > > - Paul > > > _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv