Re: [tip:x86/asm] x86/mm/xen: Suppress hugetlbfs in PV guests

From: H. Peter Anvin
Date: Fri Apr 22 2016 - 14:05:53 EST


On 04/22/2016 02:47 AM, tip-bot for Jan Beulich wrote:
> Commit-ID: 103f6112f253017d7062cd74d17f4a514ed4485c
> Gitweb: http://git.kernel.org/tip/103f6112f253017d7062cd74d17f4a514ed4485c
> Author: Jan Beulich <JBeulich@xxxxxxxx>
> AuthorDate: Thu, 21 Apr 2016 00:27:04 -0600
> Committer: Ingo Molnar <mingo@xxxxxxxxxx>
> CommitDate: Fri, 22 Apr 2016 10:05:00 +0200
>
>
> diff --git a/arch/x86/include/asm/hugetlb.h b/arch/x86/include/asm/hugetlb.h
> index f8a29d2..e6a8613 100644
> --- a/arch/x86/include/asm/hugetlb.h
> +++ b/arch/x86/include/asm/hugetlb.h
> @@ -4,6 +4,7 @@
> #include <asm/page.h>
> #include <asm-generic/hugetlb.h>
>
> +#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).

-hpa