diff options
| -rw-r--r-- | Documentation/features/time/context-tracking/arch-support.txt | 2 | ||||
| -rw-r--r-- | arch/xtensa/Kconfig | 1 | ||||
| -rw-r--r-- | arch/xtensa/kernel/entry.S | 9 |
3 files changed, 11 insertions, 1 deletions
diff --git a/Documentation/features/time/context-tracking/arch-support.txt b/Documentation/features/time/context-tracking/arch-support.txt index bb1c1801553e..72e7aadeda7e 100644 --- a/Documentation/features/time/context-tracking/arch-support.txt +++ b/Documentation/features/time/context-tracking/arch-support.txt @@ -27,5 +27,5 @@ | sparc: | ok | | um: | TODO | | x86: | ok | - | xtensa: | TODO | + | xtensa: | ok | ----------------------- diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig index bca2763495a1..553144ae1d4d 100644 --- a/arch/xtensa/Kconfig +++ b/arch/xtensa/Kconfig @@ -31,6 +31,7 @@ config XTENSA select HAVE_ARCH_KASAN if MMU && !XIP_KERNEL select HAVE_ARCH_SECCOMP_FILTER select HAVE_ARCH_TRACEHOOK + select HAVE_CONTEXT_TRACKING select HAVE_DEBUG_KMEMLEAK select HAVE_DMA_CONTIGUOUS select HAVE_EXIT_THREAD diff --git a/arch/xtensa/kernel/entry.S b/arch/xtensa/kernel/entry.S index d09f2c38ba84..f2c789a5a92a 100644 --- a/arch/xtensa/kernel/entry.S +++ b/arch/xtensa/kernel/entry.S @@ -457,6 +457,12 @@ KABI_W or a3, a3, a2 abi_call trace_hardirqs_off 1: #endif +#ifdef CONFIG_CONTEXT_TRACKING + l32i abi_tmp0, a1, PT_PS + bbci.l abi_tmp0, PS_UM_BIT, 1f + abi_call context_tracking_user_exit +1: +#endif /* Go to second-level dispatcher. Set up parameters to pass to the * exception handler and call the exception handler. @@ -540,6 +546,9 @@ common_exception_return: j .Lrestore_state .Lexit_tif_loop_user: +#ifdef CONFIG_CONTEXT_TRACKING + abi_call context_tracking_user_enter +#endif #ifdef CONFIG_HAVE_HW_BREAKPOINT _bbci.l abi_saved0, TIF_DB_DISABLED, 1f abi_call restore_dbreak |