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| author | Christophe Leroy <christophe.leroy@c-s.fr> | 2020-03-31 19:03:40 +0300 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-06-02 13:59:10 +0300 |
| commit | a64371b5d4fb37199dcd04cb7bf0132894018e33 (patch) | |
| tree | ed19af25a28a3e53bac61c492d49a31f1ad9f1ac /arch/powerpc/mm | |
| parent | 32a820670fa00419375a964ca8bc569e1499b90d (diff) | |
| download | linux-a64371b5d4fb37199dcd04cb7bf0132894018e33.tar.xz | |
powerpc/mem: Blacklist flush_dcache_icache_phys() 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/eaab3bff961c3bfe149f1d0bd3593291ef939dcc.1585670437.git.christophe.leroy@c-s.fr
Diffstat (limited to 'arch/powerpc/mm')
| -rw-r--r-- | arch/powerpc/mm/mem.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c index 041ed7cfd341..f9c20cc23718 100644 --- a/arch/powerpc/mm/mem.c +++ b/arch/powerpc/mm/mem.c @@ -32,6 +32,7 @@ #include <linux/vmalloc.h> #include <linux/memremap.h> #include <linux/dma-direct.h> +#include <linux/kprobes.h> #include <asm/pgalloc.h> #include <asm/prom.h> @@ -468,6 +469,7 @@ static void flush_dcache_icache_phys(unsigned long physaddr) : "r" (nb), "r" (msr), "i" (bytes), "r" (msr0) : "ctr", "memory"); } +NOKPROBE_SYMBOL(flush_dcache_icache_phys) #endif // !defined(CONFIG_PPC_8xx) && !defined(CONFIG_PPC64) /* |