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[18.183.84.255]) by smtp.gmail.com with ESMTPSA id x19sm10051269pfa.104.2021.08.15.23.24.21 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 15 Aug 2021 23:24:24 -0700 (PDT) Cc: akira.tsukamoto@gmail.com Subject: Re: [PATCH 0/1] __asm_copy_to-from_user: Reduce more byte_copy To: Qiu Wenbo , Paul Walmsley , Palmer Dabbelt , Guenter Roeck , Geert Uytterhoeven , Albert Ou , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org References: <65f08f01-d4ce-75c2-030b-f8759003e061@gmail.com> <61187c37.1c69fb81.ed9bd.cc45SMTPIN_ADDED_BROKEN@mx.google.com> From: Akira Tsukamoto Message-ID: Date: Mon, 16 Aug 2021 15:24:20 +0900 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: <61187c37.1c69fb81.ed9bd.cc45SMTPIN_ADDED_BROKEN@mx.google.com> Content-Language: en-US X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210815_232430_140219_A99D120F X-CRM114-Status: GOOD ( 10.29 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org SGkgUWl1LAoKT24gOC8xNS8yMDIxIDExOjMwIEFNLCBRaXUgV2VuYm8gd3JvdGU6Cj4gSGkgQWtp cmEsCj4gCj4gCj4gVGhpcyBwYXRjaCBicmVha3MgbXkgdXNlcnNwYWNlwqAgYW5kIEkgY2FuJ3Qg Ym9vdCBteSBzeXN0ZW0gYWZ0ZXIgYXBwbHlpbmcgdGhpcy4gSGVyZSBpcyB0aGUgc3RhY2sgdHJh Y2U6Cj4gCj4gCj4gW8KgwqAgMTAuMzQ5MDgwXSBVbmFibGUgdG8gaGFuZGxlIGtlcm5lbCBOVUxM IHBvaW50ZXIgZGVyZWZlcmVuY2UgYXQgdmlydHVhbCBhZGRyZXNzIDAwMDAwMDAwMDAwMDAwMDAK PiBbwqDCoCAxMC4zNTcxMTZdIE9vcHMgWyMxNV0KPiBbwqDCoCAxMC4zNTk0MzNdIENQVTogMiBQ SUQ6IDE2OSBDb21tOiAobmV0d29ya2QpIFRhaW50ZWQ6IEcgRMKgwqDCoMKgwqDCoMKgwqDCoMKg IDUuMTQuMC1yYzUgIzUzCj4gW8KgwqAgMTAuMzY3NDIyXSBIYXJkd2FyZSBuYW1lOiBTaUZpdmUg SGlGaXZlIFVubWF0Y2hlZCBBMDAgKERUKQo+IFvCoMKgIDEwLjM3Mjk4MV0gZXBjIDogX19hc21f Y29weV9mcm9tX3VzZXIrMHg0OC8weGYwCj4gW8KgwqAgMTAuMzc3NTg0XcKgIHJhIDogX2NvcHlf ZnJvbV91c2VyKzB4MjgvMHg2OAo+IFvCoMKgIDEwLjM4MTc1NF0gZXBjIDogZmZmZmZmZmY4MDk5 YTI4MCByYSA6IGZmZmZmZmZmODAzNjE0YTggc3AgOiBmZmZmZmZkMDA0MTZiZDkwCj4gW8KgwqAg MTAuMzg4OTYzXcKgIGdwIDogZmZmZmZmZmY4MTFlZTU0MCB0cCA6IGZmZmZmZmUwODQxYjM2ODAg dDAgOiBmZmZmZmZkMDA0MTZiZGUwCj4gW8KgwqAgMTAuMzk2MTcyXcKgIHQxIDogZmZmZmZmZDAw NDE2YmRkOCB0MiA6IDAwMDAwMDNmZjA5Y2EzYTAgczAgOiBmZmZmZmZkMDA0MTZiZGMwCj4gW8Kg wqAgMTAuNDAzMzgxXcKgIHMxIDogMDAwMDAwMDAwMDAwMDAwMCBhMCA6IGZmZmZmZmQwMDQxNmJk ZDggYTEgOiAwMDAwMDAwMDAwMDAwMDAwCj4gW8KgwqAgMTAuNDEwNTkwXcKgIGEyIDogMDAwMDAw MDAwMDAwMDAxMCBhMyA6IDAwMDAwMDAwMDAwMDAwNDAgYTQgOiBmZmZmZmZkMDA0MTZiZTE4Cj4g W8KgwqAgMTAuNDE3ODAwXcKgIGE1IDogMDAwMDAwM2ZmZmZmZmZmMCBhNiA6IDAwMDAwMDAwMDAw MDAwMGYgYTcgOiBmZmZmZmZlMDg1ZDU4NTQwCj4gW8KgwqAgMTAuNDI1MDA5XcKgIHMyIDogMDAw MDAwMDAwMDAwMDAxMCBzMyA6IGZmZmZmZmQwMDQxNmJkZDggczQgOiAwMDAwMDAwMDAwMDAwMDAy Cj4gW8KgwqAgMTAuNDMyMjE4XcKgIHM1IDogMDAwMDAwMDAwMDAwMDAwMCBzNiA6IDAwMDAwMDAw MDAwMDAwMDAgczcgOiBmZmZmZmZlMDg0MWIzNjgwCj4gW8KgwqAgMTAuNDM5NDI3XcKgIHM4IDog MDAwMDAwMmFhZDc4ODA0MCBzOSA6IDAwMDAwMDAwMDAwMDAwMDAgczEwOiAwMDAwMDAwMDAwMDAw MDAxCj4gW8KgwqAgMTAuNDQ2NjM2XcKgIHMxMTogMDAwMDAwMDAwMDAwMDAwMCB0MyA6IDAwMDAw MDAwMDAwMDAwMDAgdDQgOiAwMDAwMDAwMDAwMDAwMDAxCj4gW8KgwqAgMTAuNDUzODQ1XcKgIHQ1 IDogMDAwMDAwMDAwMDAwMDAxMCB0NiA6IDAwMDAwMDAwMDAwNDAwMDAKPiBbwqDCoCAxMC40NTkx NDRdIHN0YXR1czogMDAwMDAwMDIwMDA0MDEyMCBiYWRhZGRyOiAwMDAwMDAwMDAwMDAwMDAwIGNh dXNlOiAwMDAwMDAwMDAwMDAwMDBkCj4gW8KgwqAgMTAuNDY3MDQ5XSBbPGZmZmZmZmZmODA5OWEy ODA+XSBfX2FzbV9jb3B5X2Zyb21fdXNlcisweDQ4LzB4ZjAKPiBbwqDCoCAxMC40NzI5NTVdIFs8 ZmZmZmZmZmY4MDA5YTU2Mj5dIGRvX3NlY2NvbXArMHg2Mi8weDhiZQo+IFvCoMKgIDEwLjQ3ODA3 OV0gWzxmZmZmZmZmZjgwMDlhZjU4Pl0gcHJjdGxfc2V0X3NlY2NvbXArMHgyNC8weDMyCj4gW8Kg wqAgMTAuNDgzNzI1XSBbPGZmZmZmZmZmODAwMjA3NTY+XSBzeXNfcHJjdGwrMHhmNi8weDQ1MAo+ IFvCoMKgIDEwLjQ4ODc2M10gWzxmZmZmZmZmZjgwMDAzNGYyPl0gcmV0X2Zyb21fc3lzY2FsbCsw eDAvMHgyCj4gCj4gCj4gVGhlIFBDIHJlZ2lzdGVyIHBvaW50cyB0byB0aGlzIGxpbmU6Cj4gCj4g KzE6Cj4gK8KgwqDCoCBSRUdfTMKgwqDCoCBhNSwgMChhMSkKClRoYW5rcyBmb3IgdGVzdGluZyEg RG8geW91IG1pbmQgdGVhY2hpbmcgbWUgaG93IHRvIHJlcHJvZHVjZSB0aGUgZXJyb3I/CgpBa2ly YQoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgt cmlzY3YgbWFpbGluZyBsaXN0CmxpbnV4LXJpc2N2QGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDov L2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1yaXNjdgo=