From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934744AbbJIK5p (ORCPT ); Fri, 9 Oct 2015 06:57:45 -0400 Received: from mailout2.samsung.com ([203.254.224.25]:55200 "EHLO mailout2.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756745AbbJIK5m (ORCPT ); Fri, 9 Oct 2015 06:57:42 -0400 X-AuditID: cbfee690-f794e6d0000014de-3d-56179da4629a Date: Fri, 09 Oct 2015 10:57:40 +0000 (GMT) From: Manjeet Pawar Subject: Re: Re: [PATCHv3] ARM64:Fix MINSIGSTKSZ and SIGSTKSZ To: Will Deacon Cc: "catalin.marinas@arm.com" , "arnd@arndb.de" , "linux-arm-kernel@lists.infradead.org" , "linux-kernel@vger.kernel.org" , "linux-arch@vger.kernel.org" , "linux-api@vger.kernel.org" , PANKAJ MISHRA , AKHILESH KUMAR , Rohit Thapliyal Reply-to: manjeet.p@samsung.com MIME-version: 1.0 X-MTR: 20151009103616465@manjeet.p Msgkey: 20151009103616465@manjeet.p X-EPLocale: en_US.windows-1252 X-Priority: 3 X-EPWebmail-Msg-Type: personal X-EPWebmail-Reply-Demand: 0 X-EPApproval-Locale: X-EPHeader: ML X-MLAttribute: X-RootMTR: 20151009103616465@manjeet.p X-ParentMTR: X-ArchiveUser: X-CPGSPASS: N X-ConfirmMail: N,general Content-type: text/plain; charset=windows-1252 MIME-version: 1.0 Message-id: <1555376844.801271444388258512.JavaMail.weblogic@epmlwas03a> X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFvrCIsWRmVeSWpSXmKPExsWyRsSkRnfJXPEwg73X9Cwu75rD5sDo8XmT XABjFJdNSmpOZllqkb5dAlfGjQdxBe84Kg6cmM/YwHiGo4uRk0NIQEViSssRVhBbQsBE4uPr FkYIW0ziwr31bF2MXEA1Sxkl5u1dxQRTdHf7JCaI5jmMEl2/w0FsFqBBLauPAzVwcLAJ6Eg8 /SIEEhYWsJV439jFDmKLCKhLNNx/xAwyk1ngFbNE0+crjBBz5CX6V15kBrF5BQQlTs58wgKx S0li9YfNTBBxZYkp2x4zQ8TlJJZMvQx1D6/EjPanLDDxaV/XQNVIS5yftQHumcXfYXr5JY7d 3gHVKyAx9cxBqBp1iXU7PkHZfBJrFr5lganfdWo5M8yu+1vmQvVKSGxteQIOOGYBRYkp3Q/Z IWwDiSOL5rCi+4VXwEPidO9MFpDnJQR6OSQmzN3JPIFRaRaSullIZs1CMgtZzQJGllWMoqkF yQXFSelFJnrFibnFpXnpesn5uZsYgYnh9L9nE3Yw3jtgfYhRgINRiYfXIko8TIg1say4MvcQ oykwniYyS4km5wPTT15JvKGxmZGFqYmpsZG5pZmSOO9rqZ/BQgLpiSWp2ampBalF8UWlOanF hxiZODilGhjLNcVk/j7/rBPQZWOp9zZDceP/XTZHVQ88qFr7xiHcdfK0mHOP3B656xT4GqnO 6FF8opvw7GdCx4r7bUddQ+7bl60Je+1TVv9P6f4HRddMs/Upfy+kfNp6gF0mc8LjJMk58RM0 VqtyKEe6OC/6+rDVM3hvxyKHlQbuG8R+v1Uw6Jyns2yliYwSS3FGoqEWc1FxIgCAuCvdBwMA AA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrKKsWRmVeSWpSXmKPExsVy+t/tXt0lc8XDDF4fULW4vGsOmwOjx+dN cgGMUWk2GamJKalFCql5yfkpmXnptkrewfHO8aZmBoa6hpYW5koKeYm5qbZKLj4Bum6ZOUBD lRTKEnNKgUIBicXFSvp2NkX5pSWpChn5xSW2StGG5kZ6RgZ6pkZ6hqaxVoYGBkamQDUJaRk3 HsQVvOOoOHBiPmMD4xmOLkZODiEBFYkpLUdYQWwJAROJu9snMUHYYhIX7q1ng6iZwyjR9Tsc xGYBqm9ZfRwozsHBJqAj8fSLEEhYWMBW4n1jFzuILSKgLtFw/xFzFyMXB7PAK2aJps9XGCHm yEv0r7zIDGLzCghKnJz5hAVil5LE6g+bmSDiyhJTtj1mhojLSSyZehnqHl6JGe1PWWDi076u gaqRljg/awMjzM2Lv8P08kscu70DqldAYuqZg1A16hLrdnyCsvkk1ix8ywJTv+vUcmaYXfe3 zIXqlZDY2vIEHD7MAooSU7ofskPYBhJHFs1hRfcLr4CHxOnemSwTGGVnIUnNQtI+C0k7spoF jCyrGEVTC5ILipPSK0z0ihNzi0vz0vWS83M3MYKT0LMlOxgbLlgfYhTgYFTi4Z0QIx4mxJpY VlyZe4hRgoNZSYT3Uh1QiDclsbIqtSg/vqg0J7X4EKMpMNYmMkuJJucDE2ReSbyhsYm5qbGp hYGhubmZkjjvzb0MYUIC6YklqdmpqQWpRTB9TBycUg2MZ3+JpF+RFT0XeFnV8VzNEZOWXWXO p9ivLlCObZ/Jkvxm786zvisfT5+1dZmj7nmZb4t/z/7j8nVt8pLJTpcOGzjVn5n9f87z7NBs 5f3zp5W/2y5nNf3dQW8zxttZ0QYcCzPWylYvCWPSkr+/lyOrki+Pg/d0y3fJSU4nP2wr2nhl wsIb1nvU3ymxFGckGmoxFxUnAgBMmdsBWAMAAA== DLP-Filter: Pass X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by mail.home.local id t99AvnO8005173 >> MINSIGSTKSZ and SIGSTKSZ for ARM64 are not correctly set in latest kernel. >> This patch fixes this issue. >> >> This issue is reported in LTP (testcase: sigaltstack02.c). >> Testcase failed when sigaltstack() called with stack size "MINSIGSTKSZ - 1" >> Since in Glibc-2.22, MINSIGSTKSZ is set to 5120 but in kernel >> it is set to 2048 so testcase gets failed. >> >> Testcase Output: >> sigaltstack02 1 TPASS : stgaltstack() fails, Invalid Flag value,errno:22 >> sigaltstack02 2 TFAIL : sigaltstack() returned 0, expected -1,errno:12 >I'm still unable to reproduce this failure. Is this with defconfig? we used LTP testsuite (version : - 20140115) , compile LTP testsuite with arm64 toolchain (changes backported form Latest glibc 2.22) Then this issue occur. {.n++%ݶw{.n+{G{ayʇڙ,jfhz_(階ݢj"mG?&~iOzv^m ?I