From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Cyrus-Session-Id: sloti22d1t05-1173702-1516435224-2-470821158124696093 X-Sieve: CMU Sieve 3.0 X-Spam-known-sender: no X-Spam-score: 0.0 X-Spam-hits: BAYES_00 -1.9, HEADER_FROM_DIFFERENT_DOMAINS 0.25, RCVD_IN_DNSWL_MED -2.3, SPF_PASS -0.001, LANGUAGES en, BAYES_USED global, SA_VERSION 3.4.0 X-Spam-source: IP='140.211.166.137', Host='smtp4.osuosl.org', Country='US', FromHeader='org', MailFrom='org' X-Spam-charsets: plain='us-ascii' X-Resolved-to: greg@kroah.com X-Delivered-to: greg@kroah.com X-Mail-from: driverdev-devel-bounces@linuxdriverproject.org ARC-Seal: i=1; a=rsa-sha256; cv=none; d=messagingengine.com; s=arctest; t=1516435223; b=fR59dh9i8vxvMxJDgUksfv62YwiYxEP3XWt+svaY+opcIIH fbENTv3x6qnwSBe0X5j3QhTij2E20jfPDOA9mmZeEr4nFpFPvjlb5GgKcCsZI9AG OVpFYbp8vn7IuLW+kYmFEL37G88X1THa6Z+n2JnV1xaWRmxOn7HZUDX23O9TGvlI Ngg8Z1Fc86IuqWaU5ygtnseQr69rpzKxmRS9R/RFVRTnMLcGo6tfelNlNT3j+vff sDzizEIty4MfRgcyfJzt1T0ImmhvAK31gk2mmGm4u/RbbpdwcTHRCKV1HL7Mv+G0 jJDdqQPeD+e4IrhNYnP99N0miKu60DozW4bdzQg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=date:from:to:subject:message-id :references:mime-version:in-reply-to:list-id:list-unsubscribe :list-archive:list-post:list-help:list-subscribe:cc:content-type :content-transfer-encoding:sender; s=arctest; t=1516435223; bh=B oPT3tZw9Sgmqsi40i9ZB4tuxYZDdUNYat3tIJmn7PA=; b=H9Z0ccwiClBpGRa3g ZfVcJhikAiuT6EEJ3cvW/Is7OhNYTdbHFqwbj2VdQDfNxJnGjQI2qpoIK77RnkqM MwrLMG4l0qLPeBIxQba49rfyU9r00eaDFLqjv+QSD7gXFRt/tntLjRHsuyoR46A5 A0YNO+pciQ2H4iANEMWvhaUcZZceZX2TkB5umCaGxWVCLIlmAD8CBzZfwvUh1+yM p0E7qyfRvIGq3dNYAPsvID7PorEjIbGAqJzCRyEYvfRHJQmGlbtLAR/yrqDMHTC1 91iNyLcGbZtZa6brVuvEhsDoYAqxVrt2Gu0EPki5temOaZWuzzR6KbDAucbkXivz 15XpQ== ARC-Authentication-Results: i=1; mx3.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=140.211.166.137 (smtp4.osuosl.org); spf=pass smtp.mailfrom=driverdev-devel-bounces@linuxdriverproject.org smtp.helo=fraxinus.osuosl.org; x-aligned-from=fail; x-ptr=fail x-ptr-helo=fraxinus.osuosl.org x-ptr-lookup=smtp4.osuosl.org; x-return-mx=pass smtp.domain=linuxdriverproject.org smtp.result=pass smtp_is_org_domain=yes header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes; x-tls=pass version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128 Authentication-Results: mx3.messagingengine.com; arc=none (no signatures found); dkim=none (no signatures found); dmarc=none (p=none,has-list-id=yes,d=none) header.from=linuxfoundation.org; iprev=pass policy.iprev=140.211.166.137 (smtp4.osuosl.org); spf=pass smtp.mailfrom=driverdev-devel-bounces@linuxdriverproject.org smtp.helo=fraxinus.osuosl.org; x-aligned-from=fail; x-ptr=fail x-ptr-helo=fraxinus.osuosl.org x-ptr-lookup=smtp4.osuosl.org; x-return-mx=pass smtp.domain=linuxdriverproject.org smtp.result=pass smtp_is_org_domain=yes header.domain=linuxfoundation.org header.result=pass header_is_org_domain=yes; x-tls=pass version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128 X-Remote-Delivered-To: driverdev-devel@osuosl.org Date: Sat, 20 Jan 2018 09:00:08 +0100 From: Greg KH To: Liam Mark Subject: Re: [PATCH] staging: android: ion: Zero CMA allocated memory Message-ID: <20180120080008.GA20172@kroah.com> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.9.2 (2017-12-15) X-BeenThere: driverdev-devel@linuxdriverproject.org X-Mailman-Version: 2.1.24 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linaro-mm-sig@lists.linaro.org, devel@driverdev.osuosl.org, Sumit Semwal , linux-kernel@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: driverdev-devel-bounces@linuxdriverproject.org Sender: "devel" X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: On Fri, Jan 19, 2018 at 11:16:47AM -0800, Liam Mark wrote: > Since the CMA API is now used directly the allocated memory is no longer > automatically zeroed. > > Explicitly zero CMA allocated memory to ensure that no data is exposed > to userspace. How far back does this patch need to be ported? What is the git commit id that caused this change to be needed? Please add it as a "Fixes:" tag to the patch. > > Change-Id: I08e143707a0d31610821a7f16826c262bf3c1999 I'm guessing you didn't run scripts/checkpatch.pl on this patch :( Please fix up and resend. thanks, greg k-h _______________________________________________ devel mailing list devel@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel