Re: [PATCH v3] arm64,ia64,ppc,s390,sh,tile,um,x86,mm: Remove default gate area

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On Sun, Jul 13, 2014 at 1:01 PM, Andy Lutomirski <luto@xxxxxxxxxxxxxx> wrote:
> The core mm code will provide a default gate area based on
> FIXADDR_USER_START and FIXADDR_USER_END if
> !defined(__HAVE_ARCH_GATE_AREA) && defined(AT_SYSINFO_EHDR).
>
> This default is only useful for ia64.  arm64, ppc, s390, sh, tile,
> 64-bit UML, and x86_32 have their own code just to disable it.  arm,
> 32-bit UML, and x86_64 have gate areas, but they have their own
> implementations.
>
> This gets rid of the default and moves the code into ia64.
>
> This should save some code on architectures without a gate area: it's
> now possible to inline the gate_area functions in the default case.

Can one of you pull this somewhere?  Otherwise I can put it somewhere
stable and ask for -next inclusion, but that seems like overkill for a
single patch.

--Andy

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