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authorChristophe Leroy <christophe.leroy@c-s.fr>2020-03-31 19:03:36 +0300
committerMichael Ellerman <mpe@ellerman.id.au>2020-06-02 13:59:08 +0300
commite83f01fdb9143a4f90b17fbf7d8b8b21efb2f968 (patch)
tree81be158a99bd6a6d98680fdfeae90909cd94db80 /arch/powerpc/platforms/52xx
parent9ed5df69b79a22b40b20bc2132ba2495708b19c4 (diff)
downloadlinux-e83f01fdb9143a4f90b17fbf7d8b8b21efb2f968.tar.xz
powerpc/52xx: 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/1ae02b6637b87fc5aaa1d5012c3e2cb30e62b4a3.1585670437.git.christophe.leroy@c-s.fr
Diffstat (limited to 'arch/powerpc/platforms/52xx')
-rw-r--r--arch/powerpc/platforms/52xx/lite5200_sleep.S2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/52xx/lite5200_sleep.S b/arch/powerpc/platforms/52xx/lite5200_sleep.S
index 3a9969c429b3..70083649c9ea 100644
--- a/arch/powerpc/platforms/52xx/lite5200_sleep.S
+++ b/arch/powerpc/platforms/52xx/lite5200_sleep.S
@@ -248,6 +248,7 @@ mmu_on:
blr
+_ASM_NOKPROBE_SYMBOL(lite5200_wakeup)
/* ---------------------------------------------------------------------- */
@@ -391,6 +392,7 @@ restore_regs:
LOAD_SPRN(TBWU, 0x5b);
blr
+_ASM_NOKPROBE_SYMBOL(restore_regs)