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Mon, 9 Apr 2018 06:52:15 -0400 Received: from us01smtprelay-2.synopsys.com ([198.182.60.111]:53637 "EHLO smtprelay.synopsys.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751742AbeDIKwN (ORCPT ); Mon, 9 Apr 2018 06:52:13 -0400 From: Alexey Brodkin To: "stable@vger.kernel.org" CC: "hch@lst.de" , "linux-arch@vger.kernel.org" , "sebott@linux.vnet.ibm.com" , "x86@kernel.org" , "linux-kernel@vger.kernel.org" , "iommu@lists.linux-foundation.org" , "linux-snps-arc@lists.infradead.org" Subject: dma-mapping: clear harmful GFP_* flags in common code Thread-Topic: dma-mapping: clear harmful GFP_* flags in common code Thread-Index: AQHTz/DO6ni8/KLs20uKNIF21aVGhg== Date: Mon, 9 Apr 2018 10:52:09 +0000 Message-ID: <1523271128.5268.32.camel@synopsys.com> References: <20180328133535.17302-1-hch@lst.de> <20180328133535.17302-2-hch@lst.de> <1522249966.2593.14.camel@synopsys.com> In-Reply-To: <1522249966.2593.14.camel@synopsys.com> Accept-Language: en-US, ru-RU Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.121.8.57] Content-Type: text/plain; charset="utf-8" Content-ID: <2DA6D091281BFA4CA84A943AADC1B9D8@internal.synopsys.com> Content-Transfer-Encoding: base64 MIME-Version: 1.0 Sender: stable-owner@vger.kernel.org X-Mailing-List: stable@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: SGVsbG8sDQoNCk1heSB3ZSBoYXZlDQplODlmNWIzNzAxNTMgKCJkbWEtbWFwcGluZzogRG9uJ3Qg Y2xlYXIgR0ZQX1pFUk8gaW4gZG1hX2FsbG9jX2F0dHJzIikNCmJhY2stcG9ydGVkIHRvIDQuMTYg a2VybmVsIGFzIGl0IGZpeGVzOg0KDQo1N2JmNWE4ICgiZG1hLW1hcHBpbmc6IGNsZWFyIGhhcm1m dWwgR0ZQXyogZmxhZ3MgaW4gY29tbW9uIGNvZGUiKS4NCg0KRm9yIG1vcmUgaW5mbyBhYm91dCBp bnRyb2R1Y2VkIHByb2JsZW0gc2VlIHRoaXMgdGhyZWFkOg0KaHR0cDovL2xpc3RzLmluZnJhZGVh ZC5vcmcvcGlwZXJtYWlsL2xpbnV4LXNucHMtYXJjLzIwMTgtTWFyY2gvMDAzNjUyLmh0bWwNCg0K LUFsZXhleQ== From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexey Brodkin Subject: dma-mapping: clear harmful GFP_* flags in common code Date: Mon, 9 Apr 2018 10:52:09 +0000 Message-ID: <1523271128.5268.32.camel@synopsys.com> References: <20180328133535.17302-1-hch@lst.de> <20180328133535.17302-2-hch@lst.de> <1522249966.2593.14.camel@synopsys.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1522249966.2593.14.camel-HKixBCOQz3hWk0Htik3J/w@public.gmane.org> Content-Language: en-US Content-ID: <2DA6D091281BFA4CA84A943AADC1B9D8-z7JfP6tgrtVBCHUSTMH8dZqQE7yCjDx5@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org Errors-To: iommu-bounces-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org To: "stable-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" Cc: "linux-arch-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "x86-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org" , "sebott-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org" , "linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org" , "iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org" , "linux-snps-arc-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org" , "hch-jcswGhMUV9g@public.gmane.org" List-Id: linux-arch.vger.kernel.org Hello, May we have e89f5b370153 ("dma-mapping: Don't clear GFP_ZERO in dma_alloc_attrs") back-ported to 4.16 kernel as it fixes: 57bf5a8 ("dma-mapping: clear harmful GFP_* flags in common code"). For more info about introduced problem see this thread: http://lists.infradead.org/pipermail/linux-snps-arc/2018-March/003652.html -Alexey From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexey.Brodkin@synopsys.com (Alexey Brodkin) Date: Mon, 9 Apr 2018 10:52:09 +0000 Subject: dma-mapping: clear harmful GFP_* flags in common code In-Reply-To: <1522249966.2593.14.camel@synopsys.com> References: <20180328133535.17302-1-hch@lst.de> <20180328133535.17302-2-hch@lst.de> <1522249966.2593.14.camel@synopsys.com> List-ID: Message-ID: <1523271128.5268.32.camel@synopsys.com> To: linux-snps-arc@lists.infradead.org Hello, May we have e89f5b370153 ("dma-mapping: Don't clear GFP_ZERO in dma_alloc_attrs") back-ported to 4.16 kernel as it fixes: 57bf5a8 ("dma-mapping: clear harmful GFP_* flags in common code"). For more info about introduced problem see this thread: http://lists.infradead.org/pipermail/linux-snps-arc/2018-March/003652.html -Alexey