diff options
author | Christophe Leroy <christophe.leroy@c-s.fr> | 2020-03-31 16:03:44 +0000 |
---|---|---|
committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-06-02 20:59:11 +1000 |
commit | 5f32e8361cba8c58c4f272a389296f489ecc2823 (patch) | |
tree | 16b96fc255b85cc543f0f1c90a500c7d97ff3c8e /arch/powerpc/kernel/swsusp_32.S | |
parent | 32746dfe4cf37f4077929601e8877a7fd02676e8 (diff) | |
download | linux-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/swsusp_32.S')
-rw-r--r-- | arch/powerpc/kernel/swsusp_32.S | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/swsusp_32.S b/arch/powerpc/kernel/swsusp_32.S index cbdf86228eaa..f73f4d72fea4 100644 --- a/arch/powerpc/kernel/swsusp_32.S +++ b/arch/powerpc/kernel/swsusp_32.S @@ -395,6 +395,7 @@ END_MMU_FTR_SECTION_IFSET(MMU_FTR_USE_HIGH_BATS) li r3,0 blr +_ASM_NOKPROBE_SYMBOL(swsusp_arch_resume) /* FIXME:This construct is actually not useful since we don't shut * down the instruction MMU, we could just flip back MSR-DR on. @@ -406,4 +407,5 @@ turn_on_mmu: sync isync rfi +_ASM_NOKPROBE_SYMBOL(turn_on_mmu) |