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[76.210.143.223]) by smtp.gmail.com with ESMTPSA id x9sm9478349pjp.50.2021.10.07.18.26.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 Oct 2021 18:26:44 -0700 (PDT) Date: Thu, 07 Oct 2021 18:26:44 -0700 (PDT) X-Google-Original-Date: Thu, 07 Oct 2021 18:26:33 PDT (-0700) Subject: Re: [PATCH v4 0/3] riscv: optimized mem* functions In-Reply-To: <20210919192104.98592-1-mcroce@linux.microsoft.com> CC: linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, Paul Walmsley , aou@eecs.berkeley.edu, Atish Patra , kernel@esmil.dk, akira.tsukamoto@gmail.com, drew@beagleboard.org, bmeng.cn@gmail.com, David.Laight@aculab.com, guoren@kernel.org, Christoph Hellwig From: Palmer Dabbelt To: mcroce@linux.microsoft.com Message-ID: Mime-Version: 1.0 (MHng) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211007_182646_405687_9D351BA3 X-CRM114-Status: GOOD ( 21.68 ) 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-Transfer-Encoding: base64 Content-Type: text/plain; charset="utf-8"; Format="flowed" Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org T24gU3VuLCAxOSBTZXAgMjAyMSAxMjoyMTowMSBQRFQgKC0wNzAwKSwgbWNyb2NlQGxpbnV4Lm1p Y3Jvc29mdC5jb20gd3JvdGU6Cj4gRnJvbTogTWF0dGVvIENyb2NlIDxtY3JvY2VAbWljcm9zb2Z0 LmNvbT4KPgo+IFJlcGxhY2UgdGhlIGFzc2VtYmx5IG1lbXtjcHksbW92ZSxzZXR9IHdpdGggQyBl cXVpdmFsZW50Lgo+Cj4gVHJ5IHRvIGFjY2VzcyBSQU0gd2l0aCB0aGUgbGFyZ2VzdCBiaXQgd2lk dGggcG9zc2libGUsIGJ1dCB3aXRob3V0Cj4gZG9pbmcgdW5hbGlnbmVkIGFjY2Vzc2VzLgo+Cj4g QSBmdXJ0aGVyIGltcHJvdmVtZW50IGNvdWxkIGJlIHRvIHVzZSBtdWx0aXBsZSByZWFkIGFuZCB3 cml0ZXMgYXMgdGhlCj4gYXNzZW1ibHkgdmVyc2lvbiB3YXMgdHJ5aW5nIHRvIGRvLgo+Cj4gVGVz dGVkIG9uIGEgQmVhZ2xlViBTdGFybGlnaHQgd2l0aCBhIFNpRml2ZSBVNzQgY29yZSwgd2hlcmUg dGhlCj4gaW1wcm92ZW1lbnQgaXMgbm90aWNlYWJsZS4KPgo+IHYzIC0+IHY0Ogo+IC0gaW5jb3Jw b3JhdGUgY2hhbmdlcyBmcm9tIHByb3Bvc2VkIGdlbmVyaWMgdmVyc2lvbjoKPiAgIGh0dHBzOi8v bG9yZS5rZXJuZWwub3JnL2xrbWwvMjAyMTA2MTcxNTI3NTQuMTc5NjAtMS1tY3JvY2VAbGludXgu bWljcm9zb2Z0LmNvbS8KPgo+IHYyIC0+IHYzOgo+IC0gYWxpYXMgbWVtKiB0byBfX21lbSogYW5k IG5vdCB2aWNldmVyc2EKPiAtIHVzZSBfX2FsaWFzIGluc3RlYWQgb2YgYSB0YWlsIGNhbGwKPgo+ IHYxIC0+IHYyOgo+IC0gcmVkdWNlIHRoZSB0aHJlc2hvbGQgZnJvbSA2NCB0byAxNiBieXRlcwo+ IC0gZml4IEtBU0FOIGJ1aWxkCj4gLSBvcHRpbWl6ZSBtZW1zZXQKPgo+IE1hdHRlbyBDcm9jZSAo Myk6Cj4gICByaXNjdjogb3B0aW1pemVkIG1lbWNweQo+ICAgcmlzY3Y6IG9wdGltaXplZCBtZW1t b3ZlCj4gICByaXNjdjogb3B0aW1pemVkIG1lbXNldAo+Cj4gIGFyY2gvcmlzY3YvaW5jbHVkZS9h c20vc3RyaW5nLmggfCAgMTggKystLQo+ICBhcmNoL3Jpc2N2L2tlcm5lbC9NYWtlZmlsZSAgICAg IHwgICAxIC0KPiAgYXJjaC9yaXNjdi9rZXJuZWwvcmlzY3Zfa3N5bXMuYyB8ICAxNyAtLS0tCj4g IGFyY2gvcmlzY3YvbGliL01ha2VmaWxlICAgICAgICAgfCAgIDQgKy0KPiAgYXJjaC9yaXNjdi9s aWIvbWVtY3B5LlMgICAgICAgICB8IDEwOCAtLS0tLS0tLS0tLS0tLS0tLS0tLS0tCj4gIGFyY2gv cmlzY3YvbGliL21lbW1vdmUuUyAgICAgICAgfCAgNjQgLS0tLS0tLS0tLS0tLQo+ICBhcmNoL3Jp c2N2L2xpYi9tZW1zZXQuUyAgICAgICAgIHwgMTEzIC0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tCj4g IGFyY2gvcmlzY3YvbGliL3N0cmluZy5jICAgICAgICAgfCAxNTQgKysrKysrKysrKysrKysrKysr KysrKysrKysrKysrKysKPiAgOCBmaWxlcyBjaGFuZ2VkLCAxNjQgaW5zZXJ0aW9ucygrKSwgMzE1 IGRlbGV0aW9ucygtKQo+ICBkZWxldGUgbW9kZSAxMDA2NDQgYXJjaC9yaXNjdi9rZXJuZWwvcmlz Y3Zfa3N5bXMuYwo+ICBkZWxldGUgbW9kZSAxMDA2NDQgYXJjaC9yaXNjdi9saWIvbWVtY3B5LlMK PiAgZGVsZXRlIG1vZGUgMTAwNjQ0IGFyY2gvcmlzY3YvbGliL21lbW1vdmUuUwo+ICBkZWxldGUg bW9kZSAxMDA2NDQgYXJjaC9yaXNjdi9saWIvbWVtc2V0LlMKPiAgY3JlYXRlIG1vZGUgMTAwNjQ0 IGFyY2gvcmlzY3YvbGliL3N0cmluZy5jCgpUaGFua3MuICBUaGVzZSBnZW5lcmFsbHkgbG9vayBn b29kLCBidXQgdGhleSdyZSBmYWlsaW5nIHRvIGJ1aWxkIGZvciBtZS4gIApJJ20gZ2V0dGluZyBl cnJvcnMgYWxvbmcgdGhlIGxpbmVzIG9mCgogICAgYXJjaC9yaXNjdi9saWIvc3RyaW5nLmM6ODk6 NzogZXJyb3I6IGlubGluaW5nIGZhaWxlZCBpbiBjYWxsIHRvIOKAmGFsd2F5c19pbmxpbmXigJkg 4oCYbWVtY3B54oCZOiBmdW5jdGlvbiBib2R5IGNhbiBiZSBvdmVyd3JpdHRlbiBhdCBsaW5rIHRp bWUKICAgICAgIDg5IHwgdm9pZCAqbWVtY3B5KHZvaWQgKmRlc3QsIGNvbnN0IHZvaWQgKnNyYywg c2l6ZV90IGNvdW50KSBfX3dlYWsgX19hbGlhcyhfX21lbWNweSk7ICAgICAgfCAgICAgICBefn5+ fn4KICAgIGFyY2gvcmlzY3YvbGliL3N0cmluZy5jOjk5OjEwOiBub3RlOiBjYWxsZWQgZnJvbSBo ZXJlCiAgICAgICA5OSB8ICAgcmV0dXJuIG1lbWNweShkZXN0LCBzcmMsIGNvdW50KTsKICAgICAg ICAgIHwgICAgICAgICAgXn5+fn5+fn5+fn5+fn5+fn5+fn5+fn5+CgpJJ20gc3RpbGwgYSBiaXQg YmVoaW5kIG9uIGVtYWlsIHNvIEknbSBnb2luZyB0byBrZWVwIGdvaW5nIHRocm91Z2ggCnBhdGNo ZXMsIGJ1dCBpZiB0aGVyZSdzIG5vIHY1IGJ5IHRoZSB0aW1lIEkgZ2V0IGJhY2sgaGVyZSB0aGVu IEknbGwgdGFrZSAKYSBsb29rLgoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX18KbGludXgtcmlzY3YgbWFpbGluZyBsaXN0CmxpbnV4LXJpc2N2QGxpc3RzLmlu ZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9s aW51eC1yaXNjdgo=