Messages in this thread Patch in this message |  | | From | Christophe Leroy <> | Subject | [PATCH v2 02/12] powerpc/82xx: Blacklist pq2_restart() for kprobe | Date | Tue, 31 Mar 2020 16:03:37 +0000 (UTC) |
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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> --- arch/powerpc/platforms/82xx/pq2.c | 3 +++ 1 file changed, 3 insertions(+)
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, -- 2.25.0
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