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spf=none smtp.mailfrom=nouveau-bounces@lists.freedesktop.org Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 43F7889D44; Tue, 11 May 2021 08:50:16 +0000 (UTC) Received: from verein.lst.de (verein.lst.de [213.95.11.211]) by gabe.freedesktop.org (Postfix) with ESMTPS id 7B6D989D44; Tue, 11 May 2021 08:50:15 +0000 (UTC) Received: by verein.lst.de (Postfix, from userid 2407) id 1D90C67373; Tue, 11 May 2021 10:50:12 +0200 (CEST) Date: Tue, 11 May 2021 10:50:11 +0200 From: Christoph Hellwig To: Christian =?iso-8859-1?Q?K=F6nig?= Message-ID: <20210511085011.GA14477@lst.de> References: <20210511060514.3956745-1-hch@lst.de> <20210511060514.3956745-2-hch@lst.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) Subject: Re: [Nouveau] [PATCH] drm/ttm: use dma_alloc_pages for the page pool X-BeenThere: nouveau@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Nouveau development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: amd-gfx@lists.freedesktop.org, David Airlie , Roland Scheidegger , dri-devel@lists.freedesktop.org, Maarten Lankhorst , iommu@lists.linux-foundation.org, Maxime Ripard , virtualization@lists.linux-foundation.org, spice-devel@lists.freedesktop.org, Huang Rui , VMware Graphics , Ben Skeggs , Daniel Vetter , nouveau@lists.freedesktop.org, Alex Deucher , Dave Airlie , Christoph Hellwig , Zack Rusin , Gerd Hoffmann Content-Type: text/plain; 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Tue, 11 May 2021 10:50:12 +0200 (CEST) Date: Tue, 11 May 2021 10:50:11 +0200 From: Christoph Hellwig To: Christian =?iso-8859-1?Q?K=F6nig?= Subject: Re: [PATCH] drm/ttm: use dma_alloc_pages for the page pool Message-ID: <20210511085011.GA14477@lst.de> References: <20210511060514.3956745-1-hch@lst.de> <20210511060514.3956745-2-hch@lst.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) Cc: amd-gfx@lists.freedesktop.org, Thomas Zimmermann , David Airlie , Roland Scheidegger , dri-devel@lists.freedesktop.org, Maarten Lankhorst , Maxime Ripard , virtualization@lists.linux-foundation.org, iommu@lists.linux-foundation.org, Huang Rui , VMware Graphics , Ben Skeggs , Daniel Vetter , nouveau@lists.freedesktop.org, Alex Deucher , Dave Airlie , spice-devel@lists.freedesktop.org, Christoph Hellwig , Zack Rusin , Gerd Hoffmann X-BeenThere: iommu@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Development issues for Linux IOMMU support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; 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Tue, 11 May 2021 10:50:12 +0200 (CEST) Date: Tue, 11 May 2021 10:50:11 +0200 From: Christoph Hellwig To: Christian =?iso-8859-1?Q?K=F6nig?= Subject: Re: [PATCH] drm/ttm: use dma_alloc_pages for the page pool Message-ID: <20210511085011.GA14477@lst.de> References: <20210511060514.3956745-1-hch@lst.de> <20210511060514.3956745-2-hch@lst.de> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) Cc: amd-gfx@lists.freedesktop.org, Thomas Zimmermann , David Airlie , Roland Scheidegger , dri-devel@lists.freedesktop.org, Maarten Lankhorst , Maxime Ripard , virtualization@lists.linux-foundation.org, iommu@lists.linux-foundation.org, Huang Rui , VMware Graphics , Ben Skeggs , Daniel Vetter , nouveau@lists.freedesktop.org, Alex Deucher , Dave Airlie , spice-devel@lists.freedesktop.org, Christoph Hellwig , Zack Rusin X-BeenThere: virtualization@lists.linux-foundation.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: Linux virtualization List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: virtualization-bounces@lists.linux-foundation.org Sender: "Virtualization" T24gVHVlLCBNYXkgMTEsIDIwMjEgYXQgMDk6MzU6MjBBTSArMDIwMCwgQ2hyaXN0aWFuIEvDtm5p ZyB3cm90ZToKPiBXZSBjZXJ0YWlubHkgZ29pbmcgdG8gbmVlZCB0aGUgZHJtX25lZWRfc3dpb3Rs YigpIGZvciB1c2VycHRyIHN1cHBvcnQgCj4gKHVubGVzcyB3ZSBhZGQgc29tZSBhcHByb2FjaCBm b3IgZHJpdmVycyB0byBvcHQgb3V0IG9mIHN3aW90bGIpLgoKc3dpb3RsYiB1c2UgaXMgZHJpdmVu IGJ5IHRocmVlIHRoaW5nczoKCiAxKSBhZGRyZXNzaW5nIGxpbWl0YXRpb25zIG9mIHRoZSBkZXZp Y2UKIDIpIGFkZHJlc3NpbmcgbGltaXRhdGlvbnMgb2YgdGhlIGludGVyY29ubmVjdAogMykgdmly dHVhbGl6dGlvbiBtb2RlcyB0aGF0IHJlcXVpcmUgaXQKCm5vdCBzdXJlIGhvdyB0aGUgZHJpdmVy IGNvdWxkIG9wdCBvdXQuICBXaGF0IGlzIHRoZSBwcm9ibGVtIHdpdGggdXNlcnB0cgpzdXBwb3J0 PwoKPiBUaGVuIHdoaWxlIEkgcmVhbGx5IHdhbnQgdG8gZ2V0IHJpZCBvZiBHRlBfRE1BMzIgYXMg d2VsbCBJJ20gbm90IDEwMCUgc3VyZSAKPiBpZiB3ZSBjYW4gaGFuZGxlIHRoaXMgd2l0aG91dCB0 aGUgZmxhZy4KCk5vdGUgdGhhdCB0aGlzIGlzIHN0aWxsIHVzaW5nIEdGUF9ETUEzMiB1bmRlcm5l YXRoIHdoZXJlIHJlcXVpcmVkLApqdXN0IGluIGEgbGF5ZXIgdGhhdCBjYW4gZGVjaWRlIHRoYXQg 0ZVlbnNpYmx5LgoKPiBBbmQgbGFzdCB3ZSBuZWVkIHNvbWV0aGluZyBiZXR0ZXIgdG8gc3RvcmUg dGhlIERNQSBhZGRyZXNzIGFuZCBvcmRlciB0aGFuIAo+IGFsbG9jYXRpbmcgYSBzZXBhcmF0ZSBt ZW1vcnkgb2JqZWN0IGZvciBlYWNoIHBhZ2UuCgpZZWFoLiAgSWYgeW91IHVzZSBfX0dGUF9DT01Q IGZvciB0aGUgYWxsb2NhdGlvbnMgd2UgY2FuIGZpbmQgdGhlIG9yZGVyCmZyb20gdGhlIHBhZ2Ug aXRzZWxmLCB3aGljaCBtaWdodCBiZSB1c2VmdWwuICBGb3IgNjQtYml0IHBsYXRmb3Jtcwp0aGUg ZG1hIGFkZHJlc3MgY291bGQgYmUgc3RvcmUgaW4gcGFnZS0+cHJpdmF0ZSwgb3IgZGVwZW5kaW5n IG9uIGhvdwp0aGUgcGFnZSBnZXRzIHVzZWQgdGhlIGRtYV9hZGRyIGZpZWxkIGluIHN0cnVjdCBw YWdlIHRoYXQgb3ZlcmxvYWRzCnRoZSBscnUgZmllbGQgYW5kIGlzIHVzZWQgYnkgdGhlIG5ldHdv cmtpbmcgcGFnZSBwb29sIGNvdWxkIGJlIHVzZWQuCgpNYXliZSB3ZSBjb3VsZCBldmVuIGhhdmUg YSBjb21tb24gcGFnZSBwb29sIGJldHdlZW4gbmV0IGFuZCBkcm0sIGJ1dApJIGRvbid0IHdhbnQg dG8gZ28gdGhlcmUgbXlzZWxmLCBub3QgYmVpbmcgYW4gZXhwZXJ0IG9uIGVpdGhlciBzdWJzeXN0 ZW0uCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClZpcnR1 YWxpemF0aW9uIG1haWxpbmcgbGlzdApWaXJ0dWFsaXphdGlvbkBsaXN0cy5saW51eC1mb3VuZGF0 aW9uLm9yZwpodHRwczovL2xpc3RzLmxpbnV4Zm91bmRhdGlvbi5vcmcvbWFpbG1hbi9saXN0aW5m by92aXJ0dWFsaXphdGlvbg== 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 X-Spam-Level: X-Spam-Status: No, score=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AEC85C433B4 for ; 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charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" T24gVHVlLCBNYXkgMTEsIDIwMjEgYXQgMDk6MzU6MjBBTSArMDIwMCwgQ2hyaXN0aWFuIEvDtm5p ZyB3cm90ZToKPiBXZSBjZXJ0YWlubHkgZ29pbmcgdG8gbmVlZCB0aGUgZHJtX25lZWRfc3dpb3Rs YigpIGZvciB1c2VycHRyIHN1cHBvcnQgCj4gKHVubGVzcyB3ZSBhZGQgc29tZSBhcHByb2FjaCBm b3IgZHJpdmVycyB0byBvcHQgb3V0IG9mIHN3aW90bGIpLgoKc3dpb3RsYiB1c2UgaXMgZHJpdmVu IGJ5IHRocmVlIHRoaW5nczoKCiAxKSBhZGRyZXNzaW5nIGxpbWl0YXRpb25zIG9mIHRoZSBkZXZp Y2UKIDIpIGFkZHJlc3NpbmcgbGltaXRhdGlvbnMgb2YgdGhlIGludGVyY29ubmVjdAogMykgdmly dHVhbGl6dGlvbiBtb2RlcyB0aGF0IHJlcXVpcmUgaXQKCm5vdCBzdXJlIGhvdyB0aGUgZHJpdmVy IGNvdWxkIG9wdCBvdXQuICBXaGF0IGlzIHRoZSBwcm9ibGVtIHdpdGggdXNlcnB0cgpzdXBwb3J0 PwoKPiBUaGVuIHdoaWxlIEkgcmVhbGx5IHdhbnQgdG8gZ2V0IHJpZCBvZiBHRlBfRE1BMzIgYXMg d2VsbCBJJ20gbm90IDEwMCUgc3VyZSAKPiBpZiB3ZSBjYW4gaGFuZGxlIHRoaXMgd2l0aG91dCB0 aGUgZmxhZy4KCk5vdGUgdGhhdCB0aGlzIGlzIHN0aWxsIHVzaW5nIEdGUF9ETUEzMiB1bmRlcm5l YXRoIHdoZXJlIHJlcXVpcmVkLApqdXN0IGluIGEgbGF5ZXIgdGhhdCBjYW4gZGVjaWRlIHRoYXQg 0ZVlbnNpYmx5LgoKPiBBbmQgbGFzdCB3ZSBuZWVkIHNvbWV0aGluZyBiZXR0ZXIgdG8gc3RvcmUg dGhlIERNQSBhZGRyZXNzIGFuZCBvcmRlciB0aGFuIAo+IGFsbG9jYXRpbmcgYSBzZXBhcmF0ZSBt ZW1vcnkgb2JqZWN0IGZvciBlYWNoIHBhZ2UuCgpZZWFoLiAgSWYgeW91IHVzZSBfX0dGUF9DT01Q IGZvciB0aGUgYWxsb2NhdGlvbnMgd2UgY2FuIGZpbmQgdGhlIG9yZGVyCmZyb20gdGhlIHBhZ2Ug aXRzZWxmLCB3aGljaCBtaWdodCBiZSB1c2VmdWwuICBGb3IgNjQtYml0IHBsYXRmb3Jtcwp0aGUg ZG1hIGFkZHJlc3MgY291bGQgYmUgc3RvcmUgaW4gcGFnZS0+cHJpdmF0ZSwgb3IgZGVwZW5kaW5n IG9uIGhvdwp0aGUgcGFnZSBnZXRzIHVzZWQgdGhlIGRtYV9hZGRyIGZpZWxkIGluIHN0cnVjdCBw YWdlIHRoYXQgb3ZlcmxvYWRzCnRoZSBscnUgZmllbGQgYW5kIGlzIHVzZWQgYnkgdGhlIG5ldHdv cmtpbmcgcGFnZSBwb29sIGNvdWxkIGJlIHVzZWQuCgpNYXliZSB3ZSBjb3VsZCBldmVuIGhhdmUg YSBjb21tb24gcGFnZSBwb29sIGJldHdlZW4gbmV0IGFuZCBkcm0sIGJ1dApJIGRvbid0IHdhbnQg dG8gZ28gdGhlcmUgbXlzZWxmLCBub3QgYmVpbmcgYW4gZXhwZXJ0IG9uIGVpdGhlciBzdWJzeXN0 ZW0uCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmFtZC1n ZnggbWFpbGluZyBsaXN0CmFtZC1nZnhAbGlzdHMuZnJlZWRlc2t0b3Aub3JnCmh0dHBzOi8vbGlz dHMuZnJlZWRlc2t0b3Aub3JnL21haWxtYW4vbGlzdGluZm8vYW1kLWdmeAo=