diff options
| author | Christophe Leroy | 2020-03-31 16:03:44 +0000 |
|---|---|---|
| committer | Michael Ellerman | 2020-06-02 20:59:11 +1000 |
| commit | 5f32e8361cba8c58c4f272a389296f489ecc2823 (patch) | |
| tree | 16b96fc255b85cc543f0f1c90a500c7d97ff3c8e /arch/powerpc/kernel/entry_32.S | |
| parent | 32746dfe4cf37f4077929601e8877a7fd02676e8 (diff) | |
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/entry_32.S')
| -rw-r--r-- | arch/powerpc/kernel/entry_32.S | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/entry_32.S b/arch/powerpc/kernel/entry_32.S index 126ede4d591f..d54f40650ff8 100644 --- a/arch/powerpc/kernel/entry_32.S +++ b/arch/powerpc/kernel/entry_32.S @@ -312,6 +312,7 @@ stack_ovf: mtspr SPRN_SRR1,r10 SYNC RFI +_ASM_NOKPROBE_SYMBOL(stack_ovf) #endif #ifdef CONFIG_TRACE_IRQFLAGS @@ -1326,6 +1327,7 @@ nonrecoverable: bl unrecoverable_exception /* shouldn't return */ b 4b +_ASM_NOKPROBE_SYMBOL(nonrecoverable) .section .bss .align 2 @@ -1380,4 +1382,5 @@ _GLOBAL(enter_rtas) mtspr SPRN_SRR0,r8 mtspr SPRN_SRR1,r9 RFI /* return to caller */ +_ASM_NOKPROBE_SYMBOL(enter_rtas) #endif /* CONFIG_PPC_RTAS */ |