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authorChristophe Leroy <christophe.leroy@c-s.fr>2020-03-31 18:03:44 +0200
committerMichael Ellerman <mpe@ellerman.id.au>2020-06-02 12:59:11 +0200
commit5f32e8361cba8c58c4f272a389296f489ecc2823 (patch)
tree16b96fc255b85cc543f0f1c90a500c7d97ff3c8e /arch/powerpc/kernel/vector.S
parentpowerpc/rtas: Remove machine_check_in_rtas() (diff)
downloadlinux-5f32e8361cba8c58c4f272a389296f489ecc2823.tar.xz
linux-5f32e8361cba8c58c4f272a389296f489ecc2823.zip
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/vector.S')
-rw-r--r--arch/powerpc/kernel/vector.S1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/vector.S b/arch/powerpc/kernel/vector.S
index d20c5e79e03c..efc5b52f95d2 100644
--- a/arch/powerpc/kernel/vector.S
+++ b/arch/powerpc/kernel/vector.S
@@ -89,6 +89,7 @@ _GLOBAL(load_up_altivec)
REST_32VRS(0,r4,r6)
/* restore registers and return */
blr
+_ASM_NOKPROBE_SYMBOL(load_up_altivec)
/*
* save_altivec(tsk)