[PATCH v2 09/10] arm64,ia64,ppc,s390,sh,tile,um,x86,mm: Remove default gate area
will.deacon at arm.com
Tue Jul 1 19:23:46 EST 2014
On Mon, Jun 30, 2014 at 10:53:20PM +0100, Andy Lutomirski 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
> 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.
For the arm64 bit:
Acked-by: Will Deacon <will.deacon at arm.com>
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