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Date: Tue, 6 Oct 2015 11:19:57 +0100
From: Will Deacon <will.deacon@arm.com>
To: Manjeet Pawar <manjeet.p@samsung.com>
Cc: catalin.marinas@arm.com, linux-arm-kernel@lists.infradead.org,
        linux-kernel@vger.kernel.org, Akhilesh Kumar <akhilesh.k@samsung.com>,
        Rohit Thapliyal <r.thapliyal@samsung.com>, pankaj.m@samsung.com
Subject: Re: [PATCHv2] ARM64:Fix MINSIGSTKSZ and SIGSTKSZ
Message-ID: <20151006101956.GB10492@arm.com>
References: <1444109743-8561-1-git-send-email-manjeet.p@samsung.com>
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On Tue, Oct 06, 2015 at 11:05:43AM +0530, Manjeet Pawar wrote:
> 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

This test passes for me. What are you doing to trigger the failure?

Will