linux-kernel - Re: [tip:x86/x32] x32: Fix alignment fail in struct compat

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Message-ID: <4F8F57CE.3070705@zytor.com>
Date:	Wed, 18 Apr 2012 17:09:50 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	"H.J. Lu" <hjl.tools@...il.com>
CC:	mingo@...hat.com, linux-kernel@...r.kernel.org, tglx@...utronix.de,
	linux-tip-commits@...r.kernel.org
Subject: Re: [tip:x86/x32] x32: Fix alignment fail in struct compat_siginfo

On 04/18/2012 04:54 PM, H.J. Lu wrote:
>>
>> We could.  If we want to align the substructures then we need some major
>> surgery to the compat_siginfo handling though.
>>
> 
> Since there will be no x32 kernel, align struct siginfo to 8byte for x32
> will only be for user space code.  It shouldn't be a problem for kernel.
> 

Well, for aligning the whole structure I don't think there is any change
to the kernel at all...

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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