Messages in this thread | | | Date | Tue, 30 Mar 2021 18:21:05 +0900 | From | Masami Hiramatsu <> | Subject | Re: [PATCH] riscv: add do_page_fault and do_trap_break into the kprobes blacklist |
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On Tue, 30 Mar 2021 02:12:26 +0800 Jisheng Zhang <jszhang3@mail.ustc.edu.cn> wrote:
> From: Jisheng Zhang <jszhang@kernel.org> > > These two functions are used to implement the kprobes feature so they > can't be kprobed. >
Looks good to me.
Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org>
Thanks,
> Fixes: c22b0bcb1dd0 ("riscv: Add kprobes supported") > Signed-off-by: Jisheng Zhang <jszhang@kernel.org> > --- > arch/riscv/kernel/traps.c | 1 + > arch/riscv/mm/fault.c | 1 + > 2 files changed, 2 insertions(+) > > 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 @@ asmlinkage void do_page_fault(struct pt_regs *regs) > } > return; > } > +NOKPROBE_SYMBOL(do_page_fault); > -- > 2.31.0 > >
-- Masami Hiramatsu <mhiramat@kernel.org>
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