diff --git a/arch/arm/kernel/perf_event.c b/arch/arm/kernel/perf_event.c index 417c392ddf1cb55066fa5f99e83e77514bd89901..fdcb0be47df1926ead670f4a998edfd7592f6b5e 100644 --- a/arch/arm/kernel/perf_event.c +++ b/arch/arm/kernel/perf_event.c @@ -3107,12 +3107,6 @@ perf_do_callchain(struct pt_regs *regs, is_user = user_mode(regs); - if (!current || !current->pid) - return; - - if (is_user && current->state != TASK_RUNNING) - return; - if (!is_user) perf_callchain_kernel(regs, entry); diff --git a/arch/sh/kernel/perf_callchain.c b/arch/sh/kernel/perf_callchain.c index a9dd3abde28e3f45bbd7d7654e8717c13aed8f34..1d6dbce7a3bc18b71e0cf7ae8dcb4f228bc82207 100644 --- a/arch/sh/kernel/perf_callchain.c +++ b/arch/sh/kernel/perf_callchain.c @@ -68,9 +68,6 @@ perf_do_callchain(struct pt_regs *regs, struct perf_callchain_entry *entry) is_user = user_mode(regs); - if (is_user && current->state != TASK_RUNNING) - return; - /* * Only the kernel side is implemented for now. */ diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c index f2da20fda02ddf6fcd449a88ba399fe4ed44af2a..4a4d191f94924c4ae18e857386eb8de299ba80e7 100644 --- a/arch/x86/kernel/cpu/perf_event.c +++ b/arch/x86/kernel/cpu/perf_event.c @@ -1703,9 +1703,6 @@ perf_do_callchain(struct pt_regs *regs, struct perf_callchain_entry *entry) is_user = user_mode(regs); - if (is_user && current->state != TASK_RUNNING) - return; - if (!is_user) perf_callchain_kernel(regs, entry);