summaryrefslogtreecommitdiff
path: root/arch
diff options
context:
space:
mode:
authorJisheng Zhang <jszhang@kernel.org>2021-03-29 21:12:26 +0300
committerPalmer Dabbelt <palmerdabbelt@google.com>2021-04-16 07:32:28 +0300
commit2349a3b26e29b8d860466bafda2e02b4b87a9e40 (patch)
treee6d1e076576baf645d520c261f5d96e22b70e757 /arch
parent199fc6b8dee7d6d50467a57e0dc7e3e1b7d59966 (diff)
downloadlinux-2349a3b26e29b8d860466bafda2e02b4b87a9e40.tar.xz
riscv: add do_page_fault and do_trap_break into the kprobes blacklist
These two functions are used to implement the kprobes feature so they can't be kprobed. Fixes: c22b0bcb1dd0 ("riscv: Add kprobes supported") Cc: stable@vger.kernel.org Signed-off-by: Jisheng Zhang <jszhang@kernel.org> Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/riscv/kernel/traps.c1
-rw-r--r--arch/riscv/mm/fault.c1
2 files changed, 2 insertions, 0 deletions
diff --git a/arch/riscv/kernel/traps.c b/arch/riscv/kernel/traps.c
index 0879b5df11b9..1357abf79570 100644
--- a/arch/riscv/kernel/traps.c
+++ b/arch/riscv/kernel/traps.c
@@ -178,6 +178,7 @@ asmlinkage __visible void do_trap_break(struct pt_regs *regs)
else
die(regs, "Kernel BUG");
}
+NOKPROBE_SYMBOL(do_trap_break);
#ifdef CONFIG_GENERIC_BUG
int is_valid_bugaddr(unsigned long pc)
diff --git a/arch/riscv/mm/fault.c b/arch/riscv/mm/fault.c
index 8f17519208c7..c5dbd55cbf7c 100644
--- a/arch/riscv/mm/fault.c
+++ b/arch/riscv/mm/fault.c
@@ -328,3 +328,4 @@ good_area:
}
return;
}
+NOKPROBE_SYMBOL(do_page_fault);