Re: [tip:x86/asm] x86/mm/xen: Suppress hugetlbfs in PV guests
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- Subject: Re: [tip:x86/asm] x86/mm/xen: Suppress hugetlbfs in PV guests
- From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
- Date: Mon, 25 Apr 2016 09:52:22 +0200 (CEST)
- Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>, bp@xxxxxxxxx, luto@xxxxxxxxxxxxxx, david.vrabel@xxxxxxxxxx, brgerst@xxxxxxxxx, toshi.kani@xxxxxx, peterz@xxxxxxxxxxxxx, mingo@xxxxxxxxxx, akpm@xxxxxxxxxxxxxxxxxxxx, torvalds@xxxxxxxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, boris.ostrovsky@xxxxxxxxxx, dvlasenk@xxxxxxxxxx, vkuznets@xxxxxxxxxx, Juergen Gross <JGross@xxxxxxxx>, Luis Rodriguez <Mcgrof@xxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, linux-tip-commits@xxxxxxxxxxxxxxx
- In-reply-to: <571DE56B02000078000E5213@prv-mh.provo.novell.com>
- User-agent: Alpine 2.11 (DEB 23 2013-08-11)
On Mon, 25 Apr 2016, Jan Beulich wrote:
> >>> On 22.04.16 at 20:03, <hpa@xxxxxxxxx> wrote:
> >> +#define hugepages_supported() cpu_has_pse
> >>
> >
> > Please don't use the cpu_has_* macros anymore, they are going away soon.
> >
> > In this case it should be static_cpu_has(X86_FEATURE_PSE).
>
> I can certainly do that, but this
> - will (mildly) harm backportability
> - imo should have been requested much earlier (when the patch was
> still under discussion)
It's requested now as cpu_has_* is going away. So instead of making silly
arguments you should have sent a delta patch fixing this.
Thanks,
tglx
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