From 5f32e8361cba8c58c4f272a389296f489ecc2823 Mon Sep 17 00:00:00 2001 From: Christophe Leroy Date: Tue, 31 Mar 2020 16:03:44 +0000 Subject: powerpc/32: Blacklist functions running with MMU disabled for kprobe kprobe does not handle events happening in real mode, all functions running with MMU disabled have to be blacklisted. Signed-off-by: Christophe Leroy Acked-by: Naveen N. Rao Signed-off-by: Michael Ellerman Link: https://lore.kernel.org/r/3bf57066d05518644dee0840af69d36ab5086729.1585670437.git.christophe.leroy@c-s.fr --- arch/powerpc/kernel/fpu.S | 1 + 1 file changed, 1 insertion(+) (limited to 'arch/powerpc/kernel/fpu.S') diff --git a/arch/powerpc/kernel/fpu.S b/arch/powerpc/kernel/fpu.S index 3235a8da6af7..1dfccf58fbb1 100644 --- a/arch/powerpc/kernel/fpu.S +++ b/arch/powerpc/kernel/fpu.S @@ -119,6 +119,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_VSX) /* restore registers and return */ /* we haven't used ctr or xer or lr */ blr +_ASM_NOKPROBE_SYMBOL(load_up_fpu) /* * save_fpu(tsk) -- cgit v1.2.3