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author | Christophe Leroy <christophe.leroy@c-s.fr> | 2020-03-31 18:03:37 +0200 |
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committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-06-02 12:59:09 +0200 |
commit | 1740f15a99d30a5e2710b2b0754e65fc5ba68d1d (patch) | |
tree | abbf705c8064ed5ccaecd7f14020e50f60db823d | |
parent | powerpc/52xx: Blacklist functions running with MMU disabled for kprobe (diff) | |
download | linux-1740f15a99d30a5e2710b2b0754e65fc5ba68d1d.tar.xz linux-1740f15a99d30a5e2710b2b0754e65fc5ba68d1d.zip |
powerpc/82xx: Blacklist pq2_restart() 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/5dca36682383577a3c2b2bca4d577e8654944461.1585670437.git.christophe.leroy@c-s.fr
-rw-r--r-- | arch/powerpc/platforms/82xx/pq2.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/82xx/pq2.c b/arch/powerpc/platforms/82xx/pq2.c index 1cdd5ed9d896..3b5cb39a564c 100644 --- a/arch/powerpc/platforms/82xx/pq2.c +++ b/arch/powerpc/platforms/82xx/pq2.c @@ -10,6 +10,8 @@ * Copyright (c) 2006 MontaVista Software, Inc. */ +#include <linux/kprobes.h> + #include <asm/cpm2.h> #include <asm/io.h> #include <asm/pci-bridge.h> @@ -29,6 +31,7 @@ void __noreturn pq2_restart(char *cmd) panic("Restart failed\n"); } +NOKPROBE_SYMBOL(pq2_restart) #ifdef CONFIG_PCI static int pq2_pci_exclude_device(struct pci_controller *hose, |