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Date: Mon, 26 Sep 2016 16:13:54 -0700
From: Shaohua Li <shli@kernel.org>
To: Gayatri Kammela <gayatri.kammela@intel.com>
Cc: linux-raid@vger.kerenl.org, linux-kernel@vger.kernel.org,
        ravi.v.shankar@intel.com, fenghua.yu@intel.com,
        "H . Peter Anvin" <hpa@zytor.com>, Yu-cheng Yu <yu-cheng.yu@intel.com>
Subject: Re: [PATCH v2] raid6/test/test.c: bug fix: Specify
 aligned(alignment) attributes to the char arrays
Message-ID: <20160926231354.GA98739@kernel.org>
References: <1474925858-24409-1-git-send-email-gayatri.kammela@intel.com>
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On Mon, Sep 26, 2016 at 02:37:38PM -0700, Gayatri Kammela wrote:
> Specifying the aligned attributes to the char data[NDISKS][PAGE_SIZE],
> char recovi[PAGE_SIZE] and char recovi[PAGE_SIZE] arrays, so that all
> malloc memory is page boundary aligned.
> 
> Without these alignment attributes, the test causes a segfault in
> userspace when the NDISKS are changed to 4 from 16.
> 
> The RAID stripes will be page aligned anyway, so we want to test what
> the kernel actually will execute.

Applied, thanks!