From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D74CDC433FE for ; Mon, 17 Oct 2022 14:20:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230321AbiJQOUZ (ORCPT ); Mon, 17 Oct 2022 10:20:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37616 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230313AbiJQOUY (ORCPT ); Mon, 17 Oct 2022 10:20:24 -0400 Received: from xry111.site (xry111.site [89.208.246.23]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 10A6950075; Mon, 17 Oct 2022 07:20:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=xry111.site; s=default; t=1666016418; bh=Bsn3Ibp0V3HyTiAgkJBIKJfAxItjnDlTT+O4Mf3CoEM=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=BYwcSMhRTQRLJIJddtiHpdLb8+tyik5xy+8aIhhI8Au2ggOlIo5AqFOhiccuLViRM 1vClsfPPLJJrT8ZGw19kxUY7V5A89bPwDbmh1VChhaYFvZzwYmi6tMXr3YL00QRspF fge7XAFyW68NUFfN/cEHpWhEuocaWzrHtb3CxIc0= Received: from [IPv6:240e:358:1124:a900:dc73:854d:832e:3] (unknown [IPv6:240e:358:1124:a900:dc73:854d:832e:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature ECDSA (P-384) server-digest SHA384) (Client did not present a certificate) (Authenticated sender: xry111@xry111.site) by xry111.site (Postfix) with ESMTPSA id 15469661C1; Mon, 17 Oct 2022 10:20:09 -0400 (EDT) Message-ID: Subject: Re: [PATCH V3] LoongArch: Add unaligned access support From: Xi Ruoyao To: David Laight , 'Huacai Chen' , Arnd Bergmann , Huacai Chen Cc: "loongarch@lists.linux.dev" , "linux-arch@vger.kernel.org" , Xuefeng Li , Guo Ren , Xuerui Wang , Jiaxun Yang , "linux-kernel@vger.kernel.org" Date: Mon, 17 Oct 2022 22:19:59 +0800 In-Reply-To: <39ea2a6fee654b68974ef38237a61e80@AcuMS.aculab.com> References: <20221017125209.2639531-1-chenhuacai@loongson.cn> <39ea2a6fee654b68974ef38237a61e80@AcuMS.aculab.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: base64 User-Agent: Evolution 3.46.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arch@vger.kernel.org T24gTW9uLCAyMDIyLTEwLTE3IGF0IDEzOjExICswMDAwLCBEYXZpZCBMYWlnaHQgd3JvdGU6Cj4g RnJvbTogSHVhY2FpIENoZW4KPiA+IFNlbnQ6IDE3IE9jdG9iZXIgMjAyMiAxMzo1Mgo+ID4gCj4g PiBMb29uZ3Nvbi0yIHNlcmllcyAoTG9vbmdzb24tMks1MDAsIExvb25nc29uLTJLMTAwMCkgZG9u J3Qgc3VwcG9ydAo+ID4gdW5hbGlnbmVkIGFjY2VzcyBpbiBoYXJkd2FyZSwgd2hpbGUgTG9vbmdz b24tMyBzZXJpZXMgKExvb25nc29uLTNBNTAwMCwKPiA+IExvb25nc29uLTNDNTAwMCkgYXJlIGNv bmZpZ3VyYWJsZSB3aGV0aGVyIHN1cHBvcnQgdW5hbGlnbmVkIGFjY2VzcyBpbgo+ID4gaGFyZHdh cmUuIFRoaXMgcGF0Y2ggYWRkIHVuYWxpZ25lZCBhY2Nlc3MgZW11bGF0aW9uIGZvciB0aG9zZSBM b29uZ0FyY2gKPiA+IHByb2Nlc3NvcnMgd2l0aG91dCBoYXJkd2FyZSBzdXBwb3J0Lgo+ID4gCj4g Li4uLi4KPiA+ICvCoMKgwqDCoMKgwqDCoH0gZWxzZSBpZiAoaW5zbi5yZWcyaTEyX2Zvcm1hdC5v cGNvZGUgPT0gZnN0ZF9vcCB8fAo+ID4gK8KgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoGlu c24ucmVnM19mb3JtYXQub3Bjb2RlID09IGZzdHhkX29wKSB7Cj4gPiArwqDCoMKgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgdmFsdWUgPSByZWFkX2ZwcihpbnNuLnJlZzJpMTJfZm9ybWF0LnJkKTsK PiA+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqByZXMgPSB1bmFsaWduZWRfd3JpdGUo YWRkciwgdmFsdWUsIDgpOwo+ID4gK8KgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoGlmIChy ZXMpCj4gPiArwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoGdv dG8gZmF1bHQ7Cj4gPiArwqDCoMKgwqDCoMKgwqB9IGVsc2UgaWYgKGluc24ucmVnMmkxMl9mb3Jt YXQub3Bjb2RlID09IGZzdHNfb3AgfHwKPiA+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqBpbnNuLnJlZzNfZm9ybWF0Lm9wY29kZSA9PSBmc3R4c19vcCkgewo+ID4gK8KgwqDCoMKgwqDC oMKgwqDCoMKgwqDCoMKgwqDCoHZhbHVlID0gcmVhZF9mcHIoaW5zbi5yZWcyaTEyX2Zvcm1hdC5y ZCk7Cj4gPiArwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgcmVzID0gdW5hbGlnbmVkX3dy aXRlKGFkZHIsIHZhbHVlLCA0KTsKPiA+ICvCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqBp ZiAocmVzKQo+ID4gK8KgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKgwqDCoMKg wqBnb3RvIGZhdWx0Owo+IAo+IEFyZSB0aG9zZSByaWdodD8KPiBTaG91bGRuJ3Qgc29tZXRoaW5n IGJlIGNvbnZlcnRpbmcgZnJvbSAnZG91YmxlJyB0bwo+ICdmbG9hdCcgaW4gdGhlcmU/Cj4gQW5k IGdlbmVyYXRpbmcgU0lHRlBFICg/KSBpZiB0aGUgZXhwb25lbnQgaXMgb3V0IG9mIHJhbmdlLgoK VG8gbWUgaXQgbG9va3MgcmlnaHQuCgpUaGUgc2VtYW50aWMgb2YgRlNULlMgZG9lcyBub3QgaW5j bHVkZSBjb252ZXJzaW9uLiAgSXQganVzdCBzdG9yZXMgdGhlCmxvd2VyIDMyIGJpdHMgb2YgYSBm bG9hdGluZy1wb2ludCByZWdpc3RlciBpbnRvIHRoZSBtZW1vcnkuICBJZiBzb21lb25lCmF0dGVt cHRzIHRvIHVzZSBGU1QuUyB0byBjb252ZXJ0IGEgZG91YmxlIGludG8gYSBmbG9hdCwgaXQncyBh CnByb2dyYW1taW5nIGVycm9yLgoKLS0gClhpIFJ1b3lhbyA8eHJ5MTExQHhyeTExMS5zaXRlPgpT Y2hvb2wgb2YgQWVyb3NwYWNlIFNjaWVuY2UgYW5kIFRlY2hub2xvZ3ksIFhpZGlhbiBVbml2ZXJz aXR5Cg==