diff options
Diffstat (limited to 'kernel/Kconfig.preempt')
| -rw-r--r-- | kernel/Kconfig.preempt | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/kernel/Kconfig.preempt b/kernel/Kconfig.preempt index c2f1fd95a821..8c6de5a9ecc4 100644 --- a/kernel/Kconfig.preempt +++ b/kernel/Kconfig.preempt @@ -133,4 +133,14 @@ config SCHED_CORE which is the likely usage by Linux distributions, there should be no measurable impact on performance. - +config ARCH_WANTS_RT_DELAYED_SIGNALS + bool + help + This option is selected by architectures where raising signals + can happen in atomic contexts on PREEMPT_RT enabled kernels. This + option delays raising the signal until the return to user space + loop where it is also delivered. X86 requires this to deliver + signals from trap handlers which run on IST stacks. + +config RT_DELAYED_SIGNALS + def_bool PREEMPT_RT && ARCH_WANTS_RT_DELAYED_SIGNALS |