Subject: Re: [git pull] Please pull powerpc.git merge branch

From: Benjamin Herrenschmidt <[email-masked]>
Date: Fri, 30 Oct 2009 10:16:12 +1100

On Thu, 2009-10-29 at 09:14 -0700, Linus Torvalds wrote:
> 
> On Tue, 27 Oct 2009, Benjamin Herrenschmidt wrote:
> > 
> > Kumar Gala (7):
> >       powerpc: Add a Book-3E 64-bit defconfig
> >       powerpc: Fix compile errors found by new ppc64e_defconfig
> >       powerpc: Limit hugetlbfs support to PPC64 Book-3S machines
> 
> This is incredibly ugly. Why should the generic fs/Kconfig know about some 
> random odd architecture detail like PPC_BOOK3S_64?
> 
> I merged it, and noticed this because Super-H caused clashes by cleaning 
> up. I would suggest PowerPC do the same.

Right. I noticed the same thing yesterday and planned to do so today

> This patch is not signed-off, nor do I want any credit. But if it works on 
> ppc, please send me something like this back.

I'll stick something like that in my tree and send you a pull request.

Cheers,
Ben.

> 		Linus
> ---
>  arch/powerpc/Kconfig |    3 +++
>  fs/Kconfig           |    2 +-
>  2 files changed, 4 insertions(+), 1 deletions(-)
> 
> diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
> index 10a0a54..877db84 100644
> --- a/arch/powerpc/Kconfig
> +++ b/arch/powerpc/Kconfig
> @@ -131,6 +131,9 @@ config PPC
>  	select GENERIC_ATOMIC64 if PPC32
>  	select HAVE_PERF_EVENTS
>  
> +config SYS_SUPPORTS_HUGETLBFS
> +	defbool PPC_BOOK3S_64
> +
>  config EARLY_PRINTK
>  	bool
>  	default y
> diff --git a/fs/Kconfig b/fs/Kconfig
> index 2126078..64d44ef 100644
> --- a/fs/Kconfig
> +++ b/fs/Kconfig
> @@ -135,7 +135,7 @@ config TMPFS_POSIX_ACL
>  
>  config HUGETLBFS
>  	bool "HugeTLB file system support"
> -	depends on X86 || IA64 || PPC_BOOK3S_64 || SPARC64 || (S390 && 64BIT) || \
> +	depends on X86 || IA64 || SPARC64 || (S390 && 64BIT) || \
>  		   SYS_SUPPORTS_HUGETLBFS || BROKEN
>  	help
>  	  hugetlbfs is a filesystem backing for HugeTLB pages, based on