diff options
| author | Andi Kleen <ak@suse.de> | 2006-03-25 10:30:58 -0500 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-25 12:10:56 -0500 |
| commit | 01d4bed417b5943577e9290fbf672ea9a449dc46 (patch) | |
| tree | b04d4b16cc9311f5181e26ebbf3f3202499c8cb9 /arch | |
| parent | 5b922cd429675059f7a7798f7a0b3898c38dc070 (diff) | |
[PATCH] x86_64: Limit max number of CPUs to 255
Because 256 causes overflows in some code that stores them in 8 bit
fields and the x86 APIC architecture cannot handle more than 255
anyways.
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86_64/Kconfig | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig index 24a3016c079d..6fc631457196 100644 --- a/arch/x86_64/Kconfig +++ b/arch/x86_64/Kconfig | |||
| @@ -323,7 +323,7 @@ config HAVE_ARCH_EARLY_PFN_TO_NID | |||
| 323 | 323 | ||
| 324 | config NR_CPUS | 324 | config NR_CPUS |
| 325 | int "Maximum number of CPUs (2-256)" | 325 | int "Maximum number of CPUs (2-256)" |
| 326 | range 2 256 | 326 | range 2 255 |
| 327 | depends on SMP | 327 | depends on SMP |
| 328 | default "8" | 328 | default "8" |
| 329 | help | 329 | help |