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authorJeff Dike <jdike@addtoit.com>2005-05-06 21:30:55 -0700
committerLinus Torvalds <torvalds@ppc970.osdl.org>2005-05-06 22:09:31 -0700
commit2d58cc9a437f3833d242e9d1617ec9b4044e26f3 (patch)
treee5c5f2b57b178a66fe880c0f534cbc791cf09147 /arch/um/kernel/trap_kern.c
parent[PATCH] uml: Fix process exit race (diff)
downloadlinux-dev-2d58cc9a437f3833d242e9d1617ec9b4044e26f3.tar.xz
linux-dev-2d58cc9a437f3833d242e9d1617ec9b4044e26f3.zip
[PATCH] uml: x86_64 fixes
This fixes some x86_64 bugs - - maybe_map returns -1 on error instead of 0, which is interpreted as physical address 0 - removed an include of ipc.h, which isn't needed - fixed the calculation of signal frame location - the signal delivery code is now immune to the stack expansion check - added a missing include Signed-off-by: Jeff Dike <jdike@addtoit.com> Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/um/kernel/trap_kern.c')
-rw-r--r--arch/um/kernel/trap_kern.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/um/kernel/trap_kern.c b/arch/um/kernel/trap_kern.c
index 54e2ec33a43c..5fca2c61eb98 100644
--- a/arch/um/kernel/trap_kern.c
+++ b/arch/um/kernel/trap_kern.c
@@ -48,7 +48,7 @@ int handle_page_fault(unsigned long address, unsigned long ip,
goto good_area;
else if(!(vma->vm_flags & VM_GROWSDOWN))
goto out;
- else if(!ARCH_IS_STACKGROW(address))
+ else if(is_user && !ARCH_IS_STACKGROW(address))
goto out;
else if(expand_stack(vma, address))
goto out;