From 548f0a4e02f6fa33278e77a2a6477cdeb512317f Mon Sep 17 00:00:00 2001 From: Richard Weinberger Date: Mon, 25 Jul 2011 17:12:53 -0700 Subject: um: Set __HAVE_ARCH_GATE_AREA for i386 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 Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/um/sys-i386/asm/elf.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'arch/um/sys-i386/asm') diff --git a/arch/um/sys-i386/asm/elf.h b/arch/um/sys-i386/asm/elf.h index d964a4111ac6..42305551d204 100644 --- a/arch/um/sys-i386/asm/elf.h +++ b/arch/um/sys-i386/asm/elf.h @@ -105,6 +105,8 @@ extern unsigned long __kernel_vsyscall; #define FIXADDR_USER_START VSYSCALL_BASE #define FIXADDR_USER_END VSYSCALL_END +#define __HAVE_ARCH_GATE_AREA 1 + /* * Architecture-neutral AT_ values in 0-17, leave some room * for more of them, start the x86-specific ones at 32. -- cgit v1.2.1