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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 35557ECE595 for ; Tue, 15 Oct 2019 18:17:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 021362245A for ; Tue, 15 Oct 2019 18:17:28 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=ziepe.ca header.i=@ziepe.ca header.b="IY7PaWcE" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730499AbfJOSQR (ORCPT ); Tue, 15 Oct 2019 14:16:17 -0400 Received: from mail-io1-f66.google.com ([209.85.166.66]:34285 "EHLO mail-io1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726597AbfJOSQR (ORCPT ); Tue, 15 Oct 2019 14:16:17 -0400 Received: by mail-io1-f66.google.com with SMTP id q1so48260488ion.1 for ; Tue, 15 Oct 2019 11:16:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ziepe.ca; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=E5hGScokWqPgLdbBrk4RHza3Svxdrvt3RelMxzxNGX0=; b=IY7PaWcEoDxVF3RjzcFddJeqHnKCTQPHXfIpy/ZpttwuBMU0ukD62rv6NJn+q87jla IXutZA2u26Vor+s0oQSuxsRNrCPfLDsESVJ589Opd1LZ0R+URK4YBD+kFwmLrLBoPU6/ QrUUkUIpST04E4tqDxJ+Jk1U4drJBIlnSZxYI4Bl4QDVhl0PK2MSM5oGR/kUL3z3tNDu 6o4NOh44rhJyXMoM/uAh1nLdvonpdj8vdasf+naCfwSj0CId6hBhiy07gmILqk/KgFay UnZ7D83P4q5IJpWb+fT+I50stolQCQKdlumEuIxFdDr35X2DLJl56axpTHUNubqqx/HW iEEg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=E5hGScokWqPgLdbBrk4RHza3Svxdrvt3RelMxzxNGX0=; b=K0Mtm2dbfadXiBBRYoMrIeik65mxu7ZR8fICxYei1GK/PMloCMHrxpRAlhUtLA+BEh edlkGopFIVjG/XNzJe0r341/GTcjBLb1oyCeE9tZ3RC9NoMEGywkEi1LgeEw2hshfN6V xwt5L6FxW25vLNds9vJ9kU8c1HLXkp6uXymn4aZjFElq0P0dC5/wEFoDuGFqiIHDVavC 9iXbYRTm4ht01jYDpTBGqGVTKlIcmq7997mEfnu92NLzTHH084zOm/J+J/hEay5T10eC o+bHBMsH5HLSlAlp/7ZxvfahwAf7KmRbn8k6Nv6BOJaJwwI8G+9fgJ3KJX75nuxXLqew R7AA== X-Gm-Message-State: APjAAAVsZp5DMUd56onyiXiE49n+1Tgavva+2Bi0K5YpDYSASSsHEPqb IOgV9ggg3fRu5ASnvxbF3MOQIA== X-Google-Smtp-Source: APXvYqwCqiYZ3SkEMQblXOUCwi4JhQL5teRlUkU0KcRoGUDDLgO1heLLmHRP1RmYbHcG9FHn93aEFA== X-Received: by 2002:a92:5a9b:: with SMTP id b27mr7441321ilg.180.1571163376436; Tue, 15 Oct 2019 11:16:16 -0700 (PDT) Received: from ziepe.ca ([24.114.26.129]) by smtp.gmail.com with ESMTPSA id b3sm2941671iln.42.2019.10.15.11.16.15 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 15 Oct 2019 11:16:16 -0700 (PDT) Received: from jgg by jggl.ziepe.ca with local (Exim 4.90_1) (envelope-from ) id 1iKRJT-0002CL-IH; Tue, 15 Oct 2019 15:12:51 -0300 From: Jason Gunthorpe To: Jerome Glisse , Ralph Campbell , John Hubbard , Felix.Kuehling@amd.com Cc: linux-rdma@vger.kernel.org, linux-mm@kvack.org, Andrea Arcangeli , dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org, Ben Skeggs , Jason Gunthorpe , Oleksandr Andrushchenko , Boris Ostrovsky , xen-devel@lists.xenproject.org, Juergen Gross , Stefano Stabellini Subject: [PATCH hmm 08/15] xen/gntdev: Use select for DMA_SHARED_BUFFER Date: Tue, 15 Oct 2019 15:12:35 -0300 Message-Id: <20191015181242.8343-9-jgg@ziepe.ca> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191015181242.8343-1-jgg@ziepe.ca> References: <20191015181242.8343-1-jgg@ziepe.ca> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-rdma-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-rdma@vger.kernel.org From: Jason Gunthorpe DMA_SHARED_BUFFER can not be enabled by the user (it represents a library set in the kernel). The kconfig convention is to use select for such symbols so they are turned on implicitly when the user enables a kconfig that needs them. Otherwise the XEN_GNTDEV_DMABUF kconfig is overly difficult to enable. Fixes: 932d6562179e ("xen/gntdev: Add initial support for dma-buf UAPI") Cc: Oleksandr Andrushchenko Cc: Boris Ostrovsky Cc: xen-devel@lists.xenproject.org Cc: Juergen Gross Cc: Stefano Stabellini Signed-off-by: Jason Gunthorpe --- drivers/xen/Kconfig | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/xen/Kconfig b/drivers/xen/Kconfig index 79cc75096f4232..a50dadd0109336 100644 --- a/drivers/xen/Kconfig +++ b/drivers/xen/Kconfig @@ -141,7 +141,8 @@ config XEN_GNTDEV config XEN_GNTDEV_DMABUF bool "Add support for dma-buf grant access device driver extension" - depends on XEN_GNTDEV && XEN_GRANT_DMA_ALLOC && DMA_SHARED_BUFFER + depends on XEN_GNTDEV && XEN_GRANT_DMA_ALLOC + select DMA_SHARED_BUFFER help Allows userspace processes and kernel modules to use Xen backed dma-buf implementation. With this extension grant references to -- 2.23.0 From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Gunthorpe Subject: [PATCH hmm 08/15] xen/gntdev: Use select for DMA_SHARED_BUFFER Date: Tue, 15 Oct 2019 15:12:35 -0300 Message-ID: <20191015181242.8343-9-jgg@ziepe.ca> References: <20191015181242.8343-1-jgg@ziepe.ca> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Return-path: In-Reply-To: <20191015181242.8343-1-jgg@ziepe.ca> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" To: Jerome Glisse , Ralph Campbell , John Hubbard , Felix.Kuehling@amd.com Cc: Andrea Arcangeli , Juergen Gross , Stefano Stabellini , Oleksandr Andrushchenko , linux-rdma@vger.kernel.org, amd-gfx@lists.freedesktop.org, linux-mm@kvack.org, Jason Gunthorpe , dri-devel@lists.freedesktop.org, xen-devel@lists.xenproject.org, Boris Ostrovsky , Ben Skeggs List-Id: dri-devel@lists.freedesktop.org RnJvbTogSmFzb24gR3VudGhvcnBlIDxqZ2dAbWVsbGFub3guY29tPgoKRE1BX1NIQVJFRF9CVUZG RVIgY2FuIG5vdCBiZSBlbmFibGVkIGJ5IHRoZSB1c2VyIChpdCByZXByZXNlbnRzIGEgbGlicmFy eQpzZXQgaW4gdGhlIGtlcm5lbCkuIFRoZSBrY29uZmlnIGNvbnZlbnRpb24gaXMgdG8gdXNlIHNl bGVjdCBmb3Igc3VjaApzeW1ib2xzIHNvIHRoZXkgYXJlIHR1cm5lZCBvbiBpbXBsaWNpdGx5IHdo ZW4gdGhlIHVzZXIgZW5hYmxlcyBhIGtjb25maWcKdGhhdCBuZWVkcyB0aGVtLgoKT3RoZXJ3aXNl IHRoZSBYRU5fR05UREVWX0RNQUJVRiBrY29uZmlnIGlzIG92ZXJseSBkaWZmaWN1bHQgdG8gZW5h YmxlLgoKRml4ZXM6IDkzMmQ2NTYyMTc5ZSAoInhlbi9nbnRkZXY6IEFkZCBpbml0aWFsIHN1cHBv cnQgZm9yIGRtYS1idWYgVUFQSSIpCkNjOiBPbGVrc2FuZHIgQW5kcnVzaGNoZW5rbyA8b2xla3Nh bmRyX2FuZHJ1c2hjaGVua29AZXBhbS5jb20+CkNjOiBCb3JpcyBPc3Ryb3Zza3kgPGJvcmlzLm9z dHJvdnNreUBvcmFjbGUuY29tPgpDYzogeGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCkNj OiBKdWVyZ2VuIEdyb3NzIDxqZ3Jvc3NAc3VzZS5jb20+CkNjOiBTdGVmYW5vIFN0YWJlbGxpbmkg PHNzdGFiZWxsaW5pQGtlcm5lbC5vcmc+ClNpZ25lZC1vZmYtYnk6IEphc29uIEd1bnRob3JwZSA8 amdnQG1lbGxhbm94LmNvbT4KLS0tCiBkcml2ZXJzL3hlbi9LY29uZmlnIHwgMyArKy0KIDEgZmls ZSBjaGFuZ2VkLCAyIGluc2VydGlvbnMoKyksIDEgZGVsZXRpb24oLSkKCmRpZmYgLS1naXQgYS9k cml2ZXJzL3hlbi9LY29uZmlnIGIvZHJpdmVycy94ZW4vS2NvbmZpZwppbmRleCA3OWNjNzUwOTZm NDIzMi4uYTUwZGFkZDAxMDkzMzYgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMveGVuL0tjb25maWcKKysr IGIvZHJpdmVycy94ZW4vS2NvbmZpZwpAQCAtMTQxLDcgKzE0MSw4IEBAIGNvbmZpZyBYRU5fR05U REVWCiAKIGNvbmZpZyBYRU5fR05UREVWX0RNQUJVRgogCWJvb2wgIkFkZCBzdXBwb3J0IGZvciBk bWEtYnVmIGdyYW50IGFjY2VzcyBkZXZpY2UgZHJpdmVyIGV4dGVuc2lvbiIKLQlkZXBlbmRzIG9u IFhFTl9HTlRERVYgJiYgWEVOX0dSQU5UX0RNQV9BTExPQyAmJiBETUFfU0hBUkVEX0JVRkZFUgor CWRlcGVuZHMgb24gWEVOX0dOVERFViAmJiBYRU5fR1JBTlRfRE1BX0FMTE9DCisJc2VsZWN0IERN QV9TSEFSRURfQlVGRkVSCiAJaGVscAogCSAgQWxsb3dzIHVzZXJzcGFjZSBwcm9jZXNzZXMgYW5k IGtlcm5lbCBtb2R1bGVzIHRvIHVzZSBYZW4gYmFja2VkCiAJICBkbWEtYnVmIGltcGxlbWVudGF0 aW9uLiBXaXRoIHRoaXMgZXh0ZW5zaW9uIGdyYW50IHJlZmVyZW5jZXMgdG8KLS0gCjIuMjMuMAoK Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZl bCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlz dHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw= 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=-9.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 7F7B9ECE58F for ; 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Tue, 15 Oct 2019 11:16:16 -0700 (PDT) Received: from jgg by jggl.ziepe.ca with local (Exim 4.90_1) (envelope-from ) id 1iKRJT-0002CL-IH; Tue, 15 Oct 2019 15:12:51 -0300 From: Jason Gunthorpe To: Jerome Glisse , Ralph Campbell , John Hubbard , Felix.Kuehling@amd.com Date: Tue, 15 Oct 2019 15:12:35 -0300 Message-Id: <20191015181242.8343-9-jgg@ziepe.ca> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191015181242.8343-1-jgg@ziepe.ca> References: <20191015181242.8343-1-jgg@ziepe.ca> MIME-Version: 1.0 Subject: [Xen-devel] [PATCH hmm 08/15] xen/gntdev: Use select for DMA_SHARED_BUFFER X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: Andrea Arcangeli , Juergen Gross , Stefano Stabellini , Oleksandr Andrushchenko , linux-rdma@vger.kernel.org, amd-gfx@lists.freedesktop.org, linux-mm@kvack.org, Jason Gunthorpe , dri-devel@lists.freedesktop.org, xen-devel@lists.xenproject.org, Boris Ostrovsky , Ben Skeggs Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" RnJvbTogSmFzb24gR3VudGhvcnBlIDxqZ2dAbWVsbGFub3guY29tPgoKRE1BX1NIQVJFRF9CVUZG RVIgY2FuIG5vdCBiZSBlbmFibGVkIGJ5IHRoZSB1c2VyIChpdCByZXByZXNlbnRzIGEgbGlicmFy eQpzZXQgaW4gdGhlIGtlcm5lbCkuIFRoZSBrY29uZmlnIGNvbnZlbnRpb24gaXMgdG8gdXNlIHNl bGVjdCBmb3Igc3VjaApzeW1ib2xzIHNvIHRoZXkgYXJlIHR1cm5lZCBvbiBpbXBsaWNpdGx5IHdo ZW4gdGhlIHVzZXIgZW5hYmxlcyBhIGtjb25maWcKdGhhdCBuZWVkcyB0aGVtLgoKT3RoZXJ3aXNl IHRoZSBYRU5fR05UREVWX0RNQUJVRiBrY29uZmlnIGlzIG92ZXJseSBkaWZmaWN1bHQgdG8gZW5h YmxlLgoKRml4ZXM6IDkzMmQ2NTYyMTc5ZSAoInhlbi9nbnRkZXY6IEFkZCBpbml0aWFsIHN1cHBv cnQgZm9yIGRtYS1idWYgVUFQSSIpCkNjOiBPbGVrc2FuZHIgQW5kcnVzaGNoZW5rbyA8b2xla3Nh bmRyX2FuZHJ1c2hjaGVua29AZXBhbS5jb20+CkNjOiBCb3JpcyBPc3Ryb3Zza3kgPGJvcmlzLm9z dHJvdnNreUBvcmFjbGUuY29tPgpDYzogeGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCkNj OiBKdWVyZ2VuIEdyb3NzIDxqZ3Jvc3NAc3VzZS5jb20+CkNjOiBTdGVmYW5vIFN0YWJlbGxpbmkg PHNzdGFiZWxsaW5pQGtlcm5lbC5vcmc+ClNpZ25lZC1vZmYtYnk6IEphc29uIEd1bnRob3JwZSA8 amdnQG1lbGxhbm94LmNvbT4KLS0tCiBkcml2ZXJzL3hlbi9LY29uZmlnIHwgMyArKy0KIDEgZmls ZSBjaGFuZ2VkLCAyIGluc2VydGlvbnMoKyksIDEgZGVsZXRpb24oLSkKCmRpZmYgLS1naXQgYS9k cml2ZXJzL3hlbi9LY29uZmlnIGIvZHJpdmVycy94ZW4vS2NvbmZpZwppbmRleCA3OWNjNzUwOTZm NDIzMi4uYTUwZGFkZDAxMDkzMzYgMTAwNjQ0Ci0tLSBhL2RyaXZlcnMveGVuL0tjb25maWcKKysr IGIvZHJpdmVycy94ZW4vS2NvbmZpZwpAQCAtMTQxLDcgKzE0MSw4IEBAIGNvbmZpZyBYRU5fR05U REVWCiAKIGNvbmZpZyBYRU5fR05UREVWX0RNQUJVRgogCWJvb2wgIkFkZCBzdXBwb3J0IGZvciBk bWEtYnVmIGdyYW50IGFjY2VzcyBkZXZpY2UgZHJpdmVyIGV4dGVuc2lvbiIKLQlkZXBlbmRzIG9u IFhFTl9HTlRERVYgJiYgWEVOX0dSQU5UX0RNQV9BTExPQyAmJiBETUFfU0hBUkVEX0JVRkZFUgor CWRlcGVuZHMgb24gWEVOX0dOVERFViAmJiBYRU5fR1JBTlRfRE1BX0FMTE9DCisJc2VsZWN0IERN QV9TSEFSRURfQlVGRkVSCiAJaGVscAogCSAgQWxsb3dzIHVzZXJzcGFjZSBwcm9jZXNzZXMgYW5k IGtlcm5lbCBtb2R1bGVzIHRvIHVzZSBYZW4gYmFja2VkCiAJICBkbWEtYnVmIGltcGxlbWVudGF0 aW9uLiBXaXRoIHRoaXMgZXh0ZW5zaW9uIGdyYW50IHJlZmVyZW5jZXMgdG8KLS0gCjIuMjMuMAoK Cl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fClhlbi1kZXZl bCBtYWlsaW5nIGxpc3QKWGVuLWRldmVsQGxpc3RzLnhlbnByb2plY3Qub3JnCmh0dHBzOi8vbGlz dHMueGVucHJvamVjdC5vcmcvbWFpbG1hbi9saXN0aW5mby94ZW4tZGV2ZWw=