linux-kernel - Re: [PATCH v4 01/16] selftests/resctrl: Fix closing IMC fds on error and open-code R+W instead of loops

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Message-ID: <c17774d8-11b3-4f59-a995-329bf2300fce@intel.com>
Date: Wed, 29 May 2024 10:42:47 -0700
From: Reinette Chatre <reinette.chatre@...el.com>
To: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
	<linux-kselftest@...r.kernel.org>, Shuah Khan <shuah@...nel.org>, Babu Moger
	<babu.moger@....com>, Maciej Wieczór-Retman
	<maciej.wieczor-retman@...el.com>
CC: <linux-kernel@...r.kernel.org>, Fenghua Yu <fenghua.yu@...el.com>, "Shuah
 Khan" <skhan@...uxfoundation.org>
Subject: Re: [PATCH v4 01/16] selftests/resctrl: Fix closing IMC fds on error
 and open-code R+W instead of loops

Hi Ilpo,

On 5/20/24 5:30 AM, Ilpo Järvinen wrote:
> The imc perf fd close() calls are missing from all error paths. In
> addition, get_mem_bw_imc() handles fds in a for loop but close() is
> based on two fixed indexes READ and WRITE.
> 
> Open code inner for loops to READ+WRITE entries for clarity and add a
> function to close() IMC fds properly in all cases.
> 
> Fixes: 7f4d257e3a2a ("selftests/resctrl: Add callback to start a benchmark")
> Suggested-by: Reinette Chatre <reinette.chatre@...el.com>
> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
> ---

Thank you.

Reviewed-by: Reinette Chatre <reinette.chatre@...el.com>

Reinette