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| author |   Guo Ren <guoren@linux.alibaba.com> | 2020-12-17 16:01:44 +0000 |
|---|---|---|
| committer |   Palmer Dabbelt <palmerdabbelt@google.com> | 2021-01-14 15:09:08 -0800 |
| commit | 74784081aac8a0f3636965fc230e2d3b7cc123c6 (patch) | |
| tree | 5fa2a78dc3467d7d3e53525da8011e4c512f2f1f /arch/riscv/kernel/signal.c | |
| parent | riscv: Add KPROBES_ON_FTRACE supported (diff) | |
| download | linux-dev-74784081aac8a0f3636965fc230e2d3b7cc123c6.tar.xz linux-dev-74784081aac8a0f3636965fc230e2d3b7cc123c6.zip | |
riscv: Add uprobes supported
This patch adds support for uprobes on riscv architecture.
Just like kprobe, it support single-step and simulate instructions.
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Reviewed-by: Pekka Enberg <penberg@kernel.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Palmer Dabbelt <palmerdabbelt@google.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Diffstat (limited to 'arch/riscv/kernel/signal.c')
| -rw-r--r-- | arch/riscv/kernel/signal.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/riscv/kernel/signal.c b/arch/riscv/kernel/signal.c index 469aef8ed922..65942b3748b4 100644 --- a/arch/riscv/kernel/signal.c +++ b/arch/riscv/kernel/signal.c @@ -309,6 +309,9 @@ static void do_signal(struct pt_regs *regs) asmlinkage __visible void do_notify_resume(struct pt_regs *regs, unsigned long thread_info_flags) { + if (thread_info_flags & _TIF_UPROBE) + uprobe_notify_resume(regs); + /* Handle pending signal delivery */ if (thread_info_flags & (_TIF_SIGPENDING | _TIF_NOTIFY_SIGNAL)) do_signal(regs); |