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authorJeff Dike <jdike@addtoit.com>2007-06-08 16:46:49 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-06-08 20:23:33 -0400
commite80ad9b651abb7229551339081d7e53097bf8ea7 (patch)
tree5aeef27f28b62372ef67478dd530569fc422a29c
parent272c1d21d6fe42979068e14c04fb60fb6045ad74 (diff)
uml: fix kernel stack size on x86_64
Force KERNEL_STACK_ORDER to be at least 1 on UML/x86_64, to avoid overflows. Signed-off-by: Jeff Dike <jdike@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--arch/um/Kconfig1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/um/Kconfig b/arch/um/Kconfig
index c504312219b4..e6ff30266542 100644
--- a/arch/um/Kconfig
+++ b/arch/um/Kconfig
@@ -278,6 +278,7 @@ config HIGHMEM
278config KERNEL_STACK_ORDER 278config KERNEL_STACK_ORDER
279 int "Kernel stack size order" 279 int "Kernel stack size order"
280 default 1 if 64BIT 280 default 1 if 64BIT
281 range 1 10 if 64BIT
281 default 0 if !64BIT 282 default 0 if !64BIT
282 help 283 help
283 This option determines the size of UML kernel stacks. They will 284 This option determines the size of UML kernel stacks. They will