diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index c43f5bb55ac856391f201d500d5f8690b28ea57f..4fb45365c0eac6d881e51ab65b43a6ba20625de7 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -90,6 +90,7 @@ config ARM select HAVE_PERF_USER_STACK_DUMP select HAVE_RCU_TABLE_FREE if (SMP && ARM_LPAE) select HAVE_REGS_AND_STACK_ACCESS_API + select HAVE_RSEQ select HAVE_SYSCALL_TRACEPOINTS select HAVE_UID16 select HAVE_VIRT_CPU_ACCOUNTING_GEN diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index bd8810d4acb393b78ee186a8719526d463eebc8b..5879ab3f53c18393741e71488b2880ad768895cb 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -540,6 +540,12 @@ static void handle_signal(struct ksignal *ksig, struct pt_regs *regs) sigset_t *oldset = sigmask_to_save(); int ret; + /* + * Increment event counter and perform fixup for the pre-signal + * frame. + */ + rseq_signal_deliver(regs); + /* * Set up the stack frame */ @@ -660,6 +666,7 @@ do_work_pending(struct pt_regs *regs, unsigned int thread_flags, int syscall) } else { clear_thread_flag(TIF_NOTIFY_RESUME); tracehook_notify_resume(regs); + rseq_handle_notify_resume(regs); } } local_irq_disable();