linux-kernel - Re: [2.6.27-git2] compilation warning for arch/x86/kernel/xsave.c

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Message-ID: <20081013183940.GA7829@linux-os.sc.intel.com>
Date:	Mon, 13 Oct 2008 11:39:42 -0700
From:	Suresh Siddha <suresh.b.siddha@...el.com>
To:	Rufus & Azrael <rufus-azrael@...ericable.fr>
Cc:	"Siddha, Suresh B" <suresh.b.siddha@...el.com>,
	Linux-kernel Mailing List <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>
Subject: Re: [2.6.27-git2] compilation warning for arch/x86/kernel/xsave.c

On Sun, Oct 12, 2008 at 12:30:17AM -0700, Rufus & Azrael wrote:
> Hi Suresh,
> 
> 
> Your commit ed405958057ca6a8c4c9178a7a3b1167fabb45f5 causes this
> compilation warning on xsave.c :
> 
> > arch/x86/kernel/xsave.c: In function ‘save_i387_xstate’:
> > arch/x86/kernel/xsave.c:98: attention : ignoring return value of
> > ‘__clear_user’, declared with attribute warn_unused_result

Thanks Rufus for the report and thanks Ingo for pushing the fix.

I wonder why CONFIG_ENABLE_MUST_CHECK is not turned on by default?
I turned this option on, in the list of configs I use.

thanks,
suresh
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