linux-kernel - Re: [PATCH] Staging: wlan-ng: moved memset() calls after copy_from

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Message-ID: <20160322132747.GA1201@kroah.com>
Date:	Tue, 22 Mar 2016 09:27:47 -0400
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Claudiu Beznea <claudiu.beznea@...il.com>
Cc:	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Staging: wlan-ng: moved memset() calls after
 copy_from_user() call

On Tue, Mar 22, 2016 at 03:02:00PM +0200, Claudiu Beznea wrote:
> I was guided by the principle that every instruction counts, no matter the
> execution context.

But you have to be able to actually measure the difference, and here you
can't.

thanks,

greg k-h