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[142.162.113.180]) by smtp.gmail.com with ESMTPSA id x10sm5932634qtj.25.2019.11.01.11.26.12 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 01 Nov 2019 11:26:12 -0700 (PDT) Received: from jgg by mlx.ziepe.ca with local (Exim 4.90_1) (envelope-from ) id 1iQbci-0008HC-0J; Fri, 01 Nov 2019 15:26:12 -0300 Date: Fri, 1 Nov 2019 15:26:11 -0300 From: Jason Gunthorpe To: linux-mm@kvack.org, Jerome Glisse , Ralph Campbell , John Hubbard , Felix.Kuehling@amd.com Subject: Re: [PATCH v2 08/15] xen/gntdev: Use select for DMA_SHARED_BUFFER Message-ID: <20191101182611.GA31478@ziepe.ca> References: <20191028201032.6352-1-jgg@ziepe.ca> <20191028201032.6352-9-jgg@ziepe.ca> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20191028201032.6352-9-jgg@ziepe.ca> User-Agent: Mutt/1.9.4 (2018-02-28) X-Mailman-Approved-At: Fri, 01 Nov 2019 18:43:07 +0000 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:in-reply-to:user-agent; bh=Gf48vjpUJOI371bNO6wuyPSeEKQoVC5o/vcfCQf27GI=; b=JWQs9dhnB75sOXYZXe00Sx8Ycjn6wXVLJb4bA4loebrzhAwONRCd3M5hdaM0XcPXz1 0pyWtlLrDj1njuvPs0zQ0ulMeEyYu9AvLupxmw9YV4Vil+0G3KASfmA7bMmkBjsVbLm0 NwKPrT73FZLPw9yxM2LsvyNjyyW57QaAakB9IZRdrjquWCFH5qzR698e9e1ojGeAZOIU KBToGNUChheA/LNzlqzqO22UYmvZ00/yxcgviEIwglK7aIkeobtD5FAioyP3loLN1pgO xAWVbCdTVv2/yYYX7qXzDiZnl3pkn6y+wuJtS5dp5Cn2pGV9z3geaSwd6yE4+Biq0CTg qgMg== X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Juergen Gross , David Zhou , Mike Marciniszyn , Stefano Stabellini , Oleksandr Andrushchenko , linux-rdma@vger.kernel.org, nouveau@lists.freedesktop.org, Dennis Dalessandro , amd-gfx@lists.freedesktop.org, Christoph Hellwig , dri-devel@lists.freedesktop.org, Alex Deucher , xen-devel@lists.xenproject.org, Boris Ostrovsky , Petr Cvek , Christian =?utf-8?B?S8O2bmln?= , Ben Skeggs Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" Message-ID: <20191101182611.Ug5OyqU64lQblQhUBLwbhY_vZgU9lu7z-Knml4yWkiY@z> T24gTW9uLCBPY3QgMjgsIDIwMTkgYXQgMDU6MTA6MjVQTSAtMDMwMCwgSmFzb24gR3VudGhvcnBl IHdyb3RlOgo+IEZyb206IEphc29uIEd1bnRob3JwZSA8amdnQG1lbGxhbm94LmNvbT4KPiAKPiBE TUFfU0hBUkVEX0JVRkZFUiBjYW4gbm90IGJlIGVuYWJsZWQgYnkgdGhlIHVzZXIgKGl0IHJlcHJl c2VudHMgYSBsaWJyYXJ5Cj4gc2V0IGluIHRoZSBrZXJuZWwpLiBUaGUga2NvbmZpZyBjb252ZW50 aW9uIGlzIHRvIHVzZSBzZWxlY3QgZm9yIHN1Y2gKPiBzeW1ib2xzIHNvIHRoZXkgYXJlIHR1cm5l ZCBvbiBpbXBsaWNpdGx5IHdoZW4gdGhlIHVzZXIgZW5hYmxlcyBhIGtjb25maWcKPiB0aGF0IG5l ZWRzIHRoZW0uCj4gCj4gT3RoZXJ3aXNlIHRoZSBYRU5fR05UREVWX0RNQUJVRiBrY29uZmlnIGlz IG92ZXJseSBkaWZmaWN1bHQgdG8gZW5hYmxlLgo+IAo+IEZpeGVzOiA5MzJkNjU2MjE3OWUgKCJ4 ZW4vZ250ZGV2OiBBZGQgaW5pdGlhbCBzdXBwb3J0IGZvciBkbWEtYnVmIFVBUEkiKQo+IENjOiBP bGVrc2FuZHIgQW5kcnVzaGNoZW5rbyA8b2xla3NhbmRyX2FuZHJ1c2hjaGVua29AZXBhbS5jb20+ Cj4gQ2M6IEJvcmlzIE9zdHJvdnNreSA8Ym9yaXMub3N0cm92c2t5QG9yYWNsZS5jb20+Cj4gQ2M6 IHhlbi1kZXZlbEBsaXN0cy54ZW5wcm9qZWN0Lm9yZwo+IENjOiBKdWVyZ2VuIEdyb3NzIDxqZ3Jv c3NAc3VzZS5jb20+Cj4gQ2M6IFN0ZWZhbm8gU3RhYmVsbGluaSA8c3N0YWJlbGxpbmlAa2VybmVs Lm9yZz4KPiBSZXZpZXdlZC1ieTogSnVlcmdlbiBHcm9zcyA8amdyb3NzQHN1c2UuY29tPgo+IFJl dmlld2VkLWJ5OiBPbGVrc2FuZHIgQW5kcnVzaGNoZW5rbyA8b2xla3NhbmRyX2FuZHJ1c2hjaGVu a29AZXBhbS5jb20+Cj4gU2lnbmVkLW9mZi1ieTogSmFzb24gR3VudGhvcnBlIDxqZ2dAbWVsbGFu b3guY29tPgo+IC0tLQo+ICBkcml2ZXJzL3hlbi9LY29uZmlnIHwgMyArKy0KPiAgMSBmaWxlIGNo YW5nZWQsIDIgaW5zZXJ0aW9ucygrKSwgMSBkZWxldGlvbigtKQoKSnVlcmdlbi9PbGVrc2FuZHIv WGVuIE1haW50YWluZXJzOgoKV291bGQgeW91IHRha2UgdGhpcyBwYXRjaCB0aHJvdWdoIGEgeGVu IHJlbGF0ZWQgdHJlZT8gVGhlIG9ubHkgcmVhc29uCkkgaGFkIGluIHRoaXMgc2VyaWVzIGlzIHRv IG1ha2UgaXQgZWFzaWVyIHRvIGNvbXBpbGUtdGVzdCB0aGUgZ250ZGV2CmNoYW5nZXMuCgpTaW5j ZSBpdCBpcyBsb29raW5nIGxpa2UgdGhlIGdudGRldiByZXdvcmsgbWlnaHQgbm90IG1ha2UgaXQg dGhpcwpjeWNsZSBpdCBpcyBwcm9iYWJseSBiZXN0IGZvciB5b3UgdG8gdGFrZSBpdC4KClRoYW5r cywKSmFzb24KX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18K YW1kLWdmeCBtYWlsaW5nIGxpc3QKYW1kLWdmeEBsaXN0cy5mcmVlZGVza3RvcC5vcmcKaHR0cHM6 Ly9saXN0cy5mcmVlZGVza3RvcC5vcmcvbWFpbG1hbi9saXN0aW5mby9hbWQtZ2Z4