um: Set __HAVE_ARCH_GATE_AREA for i386

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When UML is unable to reuse the host's vDSO FIXADDR_USER_START is zero.
To handle this special case correclty we have to implement custom gate
area helper methods.

Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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Richard Weinberger 2011-07-25 17:12:53 -07:00 • committed by Linus Torvalds

parent b743ac54e5

commit 548f0a4e02

3 changed files with 65 additions and 1 deletions

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2

arch/um/sys-i386/Makefile

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2

arch/um/sys-i386/asm/elf.h

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62

arch/um/sys-i386/mem.c

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