um: increase stack growth cushion in pagefault
authorAl Viro <viro@ftp.linux.org.uk>
Thu, 18 Aug 2011 19:10:19 +0000 (20:10 +0100)
committerRichard Weinberger <richard@nod.at>
Wed, 2 Nov 2011 13:15:19 +0000 (14:15 +0100)
commitc7ea591c91162a203a5961d69f5c86a6ef9d50c1
tree06fd34b8f1b2009c3266b587b6024c62db6920fe
parent3579a389730dd74d9f280152c52aa851dd1da860
um: increase stack growth cushion in pagefault

analog of [PATCH] i386: let usermode execute the "enter" instruction from
circa 2006.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
arch/x86/um/asm/processor.h
arch/x86/um/asm/processor_32.h
arch/x86/um/asm/processor_64.h