diff options
| author | Paul E. McKenney <paulmck@kernel.org> | 2022-07-21 17:46:18 -0700 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2022-07-21 17:46:18 -0700 |
| commit | 34bc7b454dc31f75a0be7ee8ab378135523d7c51 (patch) | |
| tree | a1891ee085290746b6835e5e33e3c31cec2489fa /arch/Kconfig | |
| parent | d38c8fe48354af9c7120291938574e1ebb221d52 (diff) | |
| parent | 1dcaa3b462265f688613163a1562a65ee53a3311 (diff) | |
| download | lwn-34bc7b454dc31f75a0be7ee8ab378135523d7c51.tar.gz lwn-34bc7b454dc31f75a0be7ee8ab378135523d7c51.zip | |
Merge branch 'ctxt.2022.07.05a' into HEAD
ctxt.2022.07.05a: Linux-kernel memory model development branch.
Diffstat (limited to 'arch/Kconfig')
| -rw-r--r-- | arch/Kconfig | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index fcf9a41a4ef5..f56f7c0e924d 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -774,7 +774,7 @@ config HAVE_ARCH_WITHIN_STACK_FRAMES and similar) by implementing an inline arch_within_stack_frames(), which is used by CONFIG_HARDENED_USERCOPY. -config HAVE_CONTEXT_TRACKING +config HAVE_CONTEXT_TRACKING_USER bool help Provide kernel/user boundaries probes necessary for subsystems @@ -782,10 +782,10 @@ config HAVE_CONTEXT_TRACKING Syscalls need to be wrapped inside user_exit()-user_enter(), either optimized behind static key or through the slow path using TIF_NOHZ flag. Exceptions handlers must be wrapped as well. Irqs are already - protected inside rcu_irq_enter/rcu_irq_exit() but preemption or signal + protected inside ct_irq_enter/ct_irq_exit() but preemption or signal handling on irq exit still need to be protected. -config HAVE_CONTEXT_TRACKING_OFFSTACK +config HAVE_CONTEXT_TRACKING_USER_OFFSTACK bool help Architecture neither relies on exception_enter()/exception_exit() @@ -797,7 +797,7 @@ config HAVE_CONTEXT_TRACKING_OFFSTACK - Critical entry code isn't preemptible (or better yet: not interruptible). - - No use of RCU read side critical sections, unless rcu_nmi_enter() + - No use of RCU read side critical sections, unless ct_nmi_enter() got called. - No use of instrumentation, unless instrumentation_begin() got called. |