Re: [tip:x86/mm] x86, mm: Use a bitfield to mask nuisance get_user() warnings
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- Subject: Re: [tip:x86/mm] x86, mm: Use a bitfield to mask nuisance get_user() warnings
- From: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
- Date: Tue, 12 Feb 2013 09:32:54 -0800
- Cc: "H.J. Lu" <hjl.tools@xxxxxxxxx>, Ingo Molnar <mingo@xxxxxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, Jamie Lokier <jamie@xxxxxxxxxxxxx>, ville.syrjala@xxxxxxxxxxxxxxx, Borislav Petkov <bp@xxxxxxxxx>, Russell King - ARM Linux <linux@xxxxxxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, linux-tip-commits@xxxxxxxxxxxxxxx
- In-reply-to: <511A7892.4020407@zytor.com>
On Tue, Feb 12, 2013 at 9:14 AM, H. Peter Anvin <hpa@xxxxxxxxx> wrote:
>
> No, I think what he is talking about it this bit:
Ok, I agree that the bitfield code actually looks cleaner.
That said, maybe gcc has an easier time using a few odd builtins and
magic typeof's. But at least the bitfield trick looks half-way
portable..
Linus
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