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
Date: Mon, 26 Sep 2016 16:13:54 -0700 [thread overview]
Message-ID: <20160926231354.GA98739@kernel.org> (raw)
In-Reply-To: <1474925858-24409-1-git-send-email-gayatri.kammela@intel.com>
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!
next prev parent reply other threads:[~2016-09-26 23:14 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-26 21:37 [PATCH v2] raid6/test/test.c: bug fix: Specify aligned(alignment) attributes to the char arrays Gayatri Kammela
2016-09-26 23:13 ` Shaohua Li [this message]
-- strict thread matches above, loose matches on Subject: below --
2016-09-23 0:07 Gayatri Kammela
2016-09-23 0:18 ` Kammela, Gayatri
2016-09-26 17:47 ` Shaohua Li
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