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

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Message-ID: <CAMe9rOpPStV7+3hSMifVGcRXwF+X_DzjxgUCPBn_nSWyJiOYfg@mail.gmail.com>
Date:	Wed, 18 Apr 2012 14:49:13 -0700
From:	"H.J. Lu" <hjl.tools@...il.com>
To:	"H. Peter Anvin" <hpa@...or.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 Wed, Apr 18, 2012 at 2:24 PM, H. Peter Anvin <hpa@...or.com> wrote:
> Something like this works for you?
>
> Note: we should promote __compat_[us]64 to a global type when we do the
> cleanup work requested by Linus (change __[us]64 to explicitly aligned
> types, with all users that require the old types using __compat_[us]64),

It looks good to me.

> but we need the compiler warning to do that, realistically.
>

I think you mentioned to me about this. Have you opened a gcc bug to
request to this feature?

Thanks.

-- 
H.J.
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