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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E45A1C76195 for ; Mon, 27 Mar 2023 15:43:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:Cc:To:Subject:Message-ID:Date:From: In-Reply-To:References:MIME-Version:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=HPS7S0sI4QZN957WeoqpI8RTEourBeHoiroszdKd1KY=; b=VhzalEAjb0T45o 9IAraVZJ7yldvbeGohkzKfS1NKcmhTvrRFOT0AdrUz3vQlJ2osnq1xUXq4ybPq+1adXzuiIow0RO1 KikfwRt0bjRjoU0PiALCXS8D8a7tQkQE+lE/jAg2UdggTrlXwIEFRN/m2UCsKjU4ck+5h96wGDmuM E46PXfepvXcq1ZZqpYFyjwgKOdpkxIc/iiYmdJvMVoIdc72Xn7noEgsWWu8GYlmb8KDIBrBR7Ne3c pNZhhCjzH3KKzQD+mBcFmGh17pn6QMrsAPmHbaekqTRxr1I4TdUUXvydgSdsTixIRD2oyM4PzUFq9 XnmXdWjv6msRV5zQRiig==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1pgp07-00Baqq-39; Mon, 27 Mar 2023 15:43:15 +0000 Received: from mail-pg1-x52b.google.com ([2607:f8b0:4864:20::52b]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1pgp04-00Baou-2p; Mon, 27 Mar 2023 15:43:14 +0000 Received: by mail-pg1-x52b.google.com with SMTP id d8so5413328pgm.3; Mon, 27 Mar 2023 08:43:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; t=1679931790; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=HRasUUTOEu/ok1S92mQy2tcMp/4KwW2lXbLEiKBj/7o=; b=HZFjetxTrU0/nv8Y55FAOK1Apm3VUH13SuQEA6blI4LQsquf470BO/HxA5cmFNd3aK KhVXkKlmZq93fBkC6giJvUDlt7FuVro1W64JdaQrEtphQxoptl43dqOAsJuOdXDllTly etHqoII3GsZRYL1O1XM8c2+DB4jJ3oBH+CWict03ya4f003TK7u/v0bAMMATlIwbsHEE Eab9bSU2vOsS7u7Hi3cpukhSfrOKg/M8N1PXdsx2k+lYCOOyiPnKWQEclkXPeaKbVR3e gND/Ow1eDKT0AYLAkJBh79+oSz/WTGmxOT1B4ufDuEkJHS9CEZchC2NFdFV6xpk2+oqj wINA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679931790; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=HRasUUTOEu/ok1S92mQy2tcMp/4KwW2lXbLEiKBj/7o=; b=0HGUPRnW8cFaxEkX2wSFXiv37Uzz+0rMIMyc8PCv4QdE/w6cioxylNZLPF+lcjuWxn y9zPNgD/IIHVLaOklbeC+8tACFUSFVvFi+fEL+T2CSy2i61lr2uUOIYy+QF9QwVjnsjk +ygRmyidakcxlwnU6bQ5ufk0a4ZXQakwuv54s+fs4gEUfE91OzzTgLRqvjnKOfeM3Iiz FNb3yIUOxr1qXZEL1sWGamgm6NDNyu0mAFuBGOQE7a4VW4X1k0F1oZuK/gqzNd7VIsgb ZzXtsb/QrgUEEEVq5yOpQ6Vz3M6s2gzq5VvmIfbp4MbZLVU9ELeKfJTWtoCwTXEyFlI3 Y1uQ== X-Gm-Message-State: AAQBX9dDQ3q3vQH+311V30qGjw/XlEO/2N5li4GzRalUVpq1LgeUIPk8 o4uEvomIeKnMP5e3rvbtIovxgaqMgSaFM+WvxJc= X-Google-Smtp-Source: AKy350ZLARTDoGqBnXYfSrHDqt1ndSavaTIx5HilksseUiOHQOdKd5qG9m3KbOwJxwDn1K1TODO6L/v92bKQLX9gh5M= X-Received: by 2002:a63:e20f:0:b0:50a:592b:25ba with SMTP id q15-20020a63e20f000000b0050a592b25bamr3326211pgh.3.1679931790647; Mon, 27 Mar 2023 08:43:10 -0700 (PDT) MIME-Version: 1.0 References: <20230327121317.4081816-1-arnd@kernel.org> <20230327121317.4081816-3-arnd@kernel.org> In-Reply-To: <20230327121317.4081816-3-arnd@kernel.org> From: Max Filippov Date: Mon, 27 Mar 2023 08:42:59 -0700 Message-ID: Subject: Re: [PATCH 02/21] xtensa: dma-mapping: use normal cache invalidation rules To: Arnd Bergmann Cc: linux-kernel@vger.kernel.org, Arnd Bergmann , Vineet Gupta , Russell King , Neil Armstrong , Linus Walleij , Catalin Marinas , Will Deacon , Guo Ren , Brian Cain , Geert Uytterhoeven , Michal Simek , Thomas Bogendoerfer , Dinh Nguyen , Stafford Horne , Helge Deller , Michael Ellerman , Christophe Leroy , Paul Walmsley , Palmer Dabbelt , Rich Felker , John Paul Adrian Glaubitz , "David S. Miller" , Christoph Hellwig , Robin Murphy , Lad Prabhakar , Conor Dooley , linux-snps-arc@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-oxnas@groups.io, linux-csky@vger.kernel.org, linux-hexagon@vger.kernel.org, linux-m68k@lists.linux-m68k.org, linux-mips@vger.kernel.org, linux-openrisc@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-riscv@lists.infradead.org, linux-sh@vger.kernel.org, sparclinux@vger.kernel.org, linux-xtensa@linux-xtensa.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230327_084312_908920_8D8D2662 X-CRM114-Status: GOOD ( 19.94 ) X-BeenThere: linux-snps-arc@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux on Synopsys ARC Processors List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-snps-arc" Errors-To: linux-snps-arc-bounces+linux-snps-arc=archiver.kernel.org@lists.infradead.org T24gTW9uLCBNYXIgMjcsIDIwMjMgYXQgNToxNOKAr0FNIEFybmQgQmVyZ21hbm4gPGFybmRAa2Vy bmVsLm9yZz4gd3JvdGU6Cj4KPiBGcm9tOiBBcm5kIEJlcmdtYW5uIDxhcm5kQGFybmRiLmRlPgo+ Cj4geHRlbnNhIGlzIG9uZSBvZiB0aGUgcGxhdGZvcm1zIHRoYXQgaGFzIGJvdGggd3JpdGUtYmFj ayBhbmQgd3JpdGUtdGhyb3VnaAo+IGNhY2hlcywgYW5kIG5lZWRzIHRvIGFjY291bnQgZm9yIGJv dGggaW4gaXRzIERNQSBtYXBwaW5nIG9wZXJhdGlvbnMuCj4KPiBJdCBkb2VzIHRoaXMgdGhyb3Vn aCBhIHNldCBvZiBvcGVyYXRpb25zIHRoYXQgaXMgZGlmZmVyZW50IGZyb20gYW55Cj4gYXJjaGl0 ZWN0dXJlLiBUaGlzIGlzIG5vdCBhIHByb2JsZW0gYnkgaXRzZWxmLCBidXQgaXQgbWFrZXMgaXQg cmF0aGVyCj4gaGFyZCB0byBmaWd1cmUgb3V0IHdoZXRoZXIgdGhpcyBpcyBjb3JyZWN0IG9yIG5v dCwgYW5kIHRvIHVuaWZ5IHRoaXMKPiBpbXBsZW1lbnRhdGlvbiB3aXRoIHRoZSBvdGhlcnMuCj4K PiBDaGFuZ2UgdGhlIHNlbWFudGljcyB0byB0aGUgdXN1YWwgb25lcyBmb3Igbm9uLXNwZWN1bGF0 aW5nIENQVXM6Cj4KPiAgLSBPbiBETUFfVE9fREVWSUNFLCBjYWxsIF9fZmx1c2hfZGNhY2hlX3Jh bmdlKCkgdG8gcGVyZm9ybSB0aGUKPiAgICB3cml0ZWJhY2sgZXZlbiBvbiB3cml0ZXRocm91Z2gg Y2FjaGVzLCB3aGVyZSB0aGlzIGlzIGEgbm9wLgo+Cj4gIC0gT24gRE1BX0ZST01fREVWSUNFLCBp bnZhbGlkYXRlIHRoZSBtYXBwaW5nIGJlZm9yZSB0aGUgRE1BIHJhdGhlcgo+ICAgIHRoYW4gYWZ0 ZXJ3YXJkcy4KPgo+ICAtIE9uIERNQV9CSURJUkVDVElPTkFMLCBjb21iaW5lIHRoZSBwcmUtd3Jp dGViYWNrIHdpdGggdGhlCj4gICAgcG9zdC1pbnZhbGlkYXRlIGludG8gYSBjYWxsIHRvIF9fZmx1 c2hfaW52YWxpZGF0ZV9kY2FjaGVfcmFuZ2UoKQo+ICAgIHRoYXQgdHVybnMgaW50byBhIHNpbXBs ZSBpbnZhbGlkYXRlIG9uIHdyaXRlYmFjayBjYWNoZXMuCj4KPiBTaWduZWQtb2ZmLWJ5OiBBcm5k IEJlcmdtYW5uIDxhcm5kQGFybmRiLmRlPgo+IC0tLQo+ICBhcmNoL3h0ZW5zYS9LY29uZmlnICAg ICAgICAgICAgICAgICAgfCAgMSAtCj4gIGFyY2gveHRlbnNhL2luY2x1ZGUvYXNtL2NhY2hlZmx1 c2guaCB8ICA2ICsrKy0tLQo+ICBhcmNoL3h0ZW5zYS9rZXJuZWwvcGNpLWRtYS5jICAgICAgICAg fCAyOSArKysrKy0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tCj4gIDMgZmlsZXMgY2hhbmdlZCwgOCBp bnNlcnRpb25zKCspLCAyOCBkZWxldGlvbnMoLSkKClJldmlld2VkLWJ5OiBNYXggRmlsaXBwb3Yg PGpjbXZia2JjQGdtYWlsLmNvbT4KCi0tIApUaGFua3MuCi0tIE1heAoKX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtc25wcy1hcmMgbWFpbGluZyBs aXN0CmxpbnV4LXNucHMtYXJjQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJh ZGVhZC5vcmcvbWFpbG1hbi9saXN0aW5mby9saW51eC1zbnBzLWFyYwo=