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| author | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-08 14:43:17 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-08 14:43:17 -0400 |
| commit | 97d26b8042a6f14cc4a19e84e911a953363e3d69 (patch) | |
| tree | 9b72b650285720c17d0aa0a3795c30fe492700b3 /arch/arm/mm/Kconfig | |
| parent | 5131bf5db73529e972459060d8559f72e036fe53 (diff) | |
| parent | dcef1f634657dabe7905af3ccda12cf7f0b6fcc1 (diff) | |
Merge master.kernel.org:/home/rmk/linux-2.6-arm
Diffstat (limited to 'arch/arm/mm/Kconfig')
| -rw-r--r-- | arch/arm/mm/Kconfig | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index ade0e2222f59..3fefb43c67f7 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig | |||
| @@ -422,3 +422,11 @@ config HAS_TLS_REG | |||
| 422 | assume directly accessing that register and always obtain the | 422 | assume directly accessing that register and always obtain the |
| 423 | expected value only on ARMv7 and above. | 423 | expected value only on ARMv7 and above. |
| 424 | 424 | ||
| 425 | config NEEDS_SYSCALL_FOR_CMPXCHG | ||
| 426 | bool | ||
| 427 | default y if SMP && (CPU_32v5 || CPU_32v4 || CPU_32v3) | ||
| 428 | help | ||
| 429 | SMP on a pre-ARMv6 processor? Well OK then. | ||
| 430 | Forget about fast user space cmpxchg support. | ||
| 431 | It is just not possible. | ||
| 432 | |||