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 | |
| 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')
| -rw-r--r-- | arch/um/Kconfig | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/um/Kconfig b/arch/um/Kconfig index d5e22f084880..684e1f8b2755 100644 --- a/arch/um/Kconfig +++ b/arch/um/Kconfig | |||
| @@ -196,7 +196,7 @@ config HOST_2G_2G | |||
| 196 | config SMP | 196 | config SMP |
| 197 | bool "Symmetric multi-processing support (EXPERIMENTAL)" | 197 | bool "Symmetric multi-processing support (EXPERIMENTAL)" |
| 198 | default n | 198 | default n |
| 199 | depends on MODE_TT && EXPERIMENTAL | 199 | depends on (MODE_TT && EXPERIMENTAL && !SMP_BROKEN) || (BROKEN && SMP_BROKEN) |
| 200 | help | 200 | help |
| 201 | This option enables UML SMP support. | 201 | This option enables UML SMP support. |
| 202 | It is NOT related to having a real SMP box. Not directly, at least. | 202 | It is NOT related to having a real SMP box. Not directly, at least. |