diff options
Diffstat (limited to 'arch/sh/Kconfig')
| -rw-r--r-- | arch/sh/Kconfig | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig index a8693edd4f43..44982c1dfa23 100644 --- a/arch/sh/Kconfig +++ b/arch/sh/Kconfig @@ -570,6 +570,20 @@ config NR_CPUS source "kernel/Kconfig.preempt" +config GUSA + def_bool y + depends on !SMP + help + This enables support for gUSA (general UserSpace Atomicity). + This is the default implementation for both UP and non-ll/sc + CPUs, and is used by the libc, amongst others. + + For additional information, design information can be found + in <http://lc.linux.or.jp/lc2002/papers/niibe0919p.pdf>. + + This should only be disabled for special cases where alternate + atomicity implementations exist. + endmenu menu "Boot options" |