From 15770a13bebc7fae2fbc06bc4cc708a3f724c586 Mon Sep 17 00:00:00 2001 From: "Naveen N. Rao" Date: Thu, 29 Jun 2017 23:19:19 +0530 Subject: powerpc/64s: Blacklist functions invoked on a trap Blacklist all functions involved while handling a trap. We: - convert some of the symbols into private symbols, and - blacklist most functions involved while handling a trap. Reviewed-by: Masami Hiramatsu Signed-off-by: Naveen N. Rao Signed-off-by: Michael Ellerman --- arch/powerpc/kernel/exceptions-64s.S | 2 ++ 1 file changed, 2 insertions(+) (limited to 'arch/powerpc/kernel/exceptions-64s.S') diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index 3a7a456ab95c..4c18a5fbb4bb 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -1594,6 +1594,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_CFAR) 1: addi r3,r1,STACK_FRAME_OVERHEAD bl kernel_bad_stack b 1b +_ASM_NOKPROBE_SYMBOL(bad_stack); /* * When doorbell is triggered from system reset wakeup, the message is @@ -1655,3 +1656,4 @@ ALT_FTR_SECTION_END_IFSET(CPU_FTR_HVMODE) 1: blr +_ASM_NOKPROBE_SYMBOL(__replay_interrupt) -- cgit v1.2.3