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authorChristophe Leroy <christophe.leroy@c-s.fr>2020-03-31 16:03:44 +0000
committerMichael Ellerman <mpe@ellerman.id.au>2020-06-02 20:59:11 +1000
commit5f32e8361cba8c58c4f272a389296f489ecc2823 (patch)
tree16b96fc255b85cc543f0f1c90a500c7d97ff3c8e /arch/powerpc/kernel/misc.S
parent32746dfe4cf37f4077929601e8877a7fd02676e8 (diff)
downloadlinux-5f32e8361cba8c58c4f272a389296f489ecc2823.tar.bz2
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 <christophe.leroy@c-s.fr> Acked-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/3bf57066d05518644dee0840af69d36ab5086729.1585670437.git.christophe.leroy@c-s.fr
Diffstat (limited to 'arch/powerpc/kernel/misc.S')
-rw-r--r--arch/powerpc/kernel/misc.S2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/misc.S b/arch/powerpc/kernel/misc.S
index 65f9f731c229..5be96feccb55 100644
--- a/arch/powerpc/kernel/misc.S
+++ b/arch/powerpc/kernel/misc.S
@@ -36,6 +36,8 @@ _GLOBAL(add_reloc_offset)
add r3,r3,r5
mtlr r0
blr
+_ASM_NOKPROBE_SYMBOL(reloc_offset)
+_ASM_NOKPROBE_SYMBOL(add_reloc_offset)
.align 3
2: PPC_LONG 1b