diff options
| author | Jeff Dike <jdike@addtoit.com> | 2005-09-03 18:57:33 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@evo.osdl.org> | 2005-09-05 03:06:22 -0400 |
| commit | 02edeb586ae4cdd17778923674700edb732a4741 (patch) | |
| tree | fe55ef9ca0d35901b835984026d76387aa2311b8 /arch/um/Kconfig.x86_64 | |
| parent | 13abf8130139c2ccd4962a7e5a8902be5e6cb5a7 (diff) | |
[PATCH] uml: mark SMP on UML/x86_64 as broken
Noticed by Al Viro <viro@parcelfarce.linux.theplanet.co.uk> - SMP on x86_64 is
fundamentally broken due to UML's reuse of the host arch's percpu stuff. This
is OK on x86, but the x86_64 pda stuff just won't work for UML.
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 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/Kconfig.x86_64')
| -rw-r--r-- | arch/um/Kconfig.x86_64 | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/um/Kconfig.x86_64 b/arch/um/Kconfig.x86_64 index 6e5357c5bcfb..bd35e59419c8 100644 --- a/arch/um/Kconfig.x86_64 +++ b/arch/um/Kconfig.x86_64 | |||
| @@ -37,3 +37,7 @@ config ARCH_HAS_SC_SIGNALS | |||
| 37 | config ARCH_REUSE_HOST_VSYSCALL_AREA | 37 | config ARCH_REUSE_HOST_VSYSCALL_AREA |
| 38 | bool | 38 | bool |
| 39 | default n | 39 | default n |
| 40 | |||
| 41 | config SMP_BROKEN | ||
| 42 | bool | ||
| 43 | default y | ||