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From: Lai Jiangshan <laijs@cn.fujitsu.com>
To: Ian Jackson <Ian.Jackson@eu.citrix.com>
Cc: Keir Fraser <keir.fraser@citrix.com>,
	Ian Campbell <ian.campbell@citrix.com>,
	xen-devel@lists.xen.org
Subject: Re: [PATCH 5/5] xc_save: simplify switch_qemu_logdirty() by use stack strings
Date: Fri, 14 Mar 2014 17:21:14 +0800	[thread overview]
Message-ID: <5322CA0A.3000703@cn.fujitsu.com> (raw)
In-Reply-To: <21281.58066.375826.21774@mariner.uk.xensource.com>

On 03/14/2014 12:54 AM, Ian Jackson wrote:
> Lai Jiangshan writes ("[PATCH 5/5] xc_save: simplify switch_qemu_logdirty() by use stack strings"):
>> Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
> 
> Thanks for this submission.  This is quite fiddly to review.  Can you
> explain what the concrete benefit of this is ?
> 
Hi, Ian Jackson.

no concrete benefit, but help for reviewing:

simplify by "allocating" strings from stack.
reduce memory-allocation and reduce error-handling-branch.

path_cmd and path_ret strings are separated.

Thanks,
Lai

  reply	other threads:[~2014-03-14  9:21 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-03-11 14:15 [PATCH 1/5] libxl, gc: fix memory leak in libxl__strndup() Lai Jiangshan
2014-03-11 14:15 ` [PATCH 2/5] libxl: simplify libxl__dirname() Lai Jiangshan
2014-03-13 16:51   ` Ian Jackson
2014-03-11 14:15 ` [PATCH 3/5] libxl: add @count to libxl_gc Lai Jiangshan
2014-03-13 16:52   ` Ian Jackson
2014-03-11 14:15 ` [PATCH 4/5] xc_save: avoid to alloc local constant string Lai Jiangshan
2014-03-13 16:55   ` Ian Jackson
2014-03-11 14:15 ` [PATCH 5/5] xc_save: simplify switch_qemu_logdirty() by use stack strings Lai Jiangshan
2014-03-13 16:54   ` Ian Jackson
2014-03-14  9:21     ` Lai Jiangshan [this message]
2014-03-13 16:50 ` [PATCH 1/5] libxl, gc: fix memory leak in libxl__strndup() Ian Jackson

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