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| author | Jeff Dike <jdike@addtoit.com> | 2005-09-04 00:57:33 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@evo.osdl.org> | 2005-09-05 09:06:22 +0200 |
| commit | 02edeb586ae4cdd17778923674700edb732a4741 (patch) | |
| tree | fe55ef9ca0d35901b835984026d76387aa2311b8 /arch/um/Kconfig.x86_64 | |
| parent | [PATCH] uml: remove libc reference in build (diff) | |
| download | linux-02edeb586ae4cdd17778923674700edb732a4741.tar.xz linux-02edeb586ae4cdd17778923674700edb732a4741.zip | |
[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 config ARCH_REUSE_HOST_VSYSCALL_AREA bool default n + +config SMP_BROKEN + bool + default y |