Re: [PATCH] riscv: fix trace_sys_exit hook

From: Palmer Dabbelt
Date: Mon Nov 12 2018 - 20:52:28 EST


On Mon, 29 Oct 2018 05:15:16 PDT (-0700), david.abdurachmanov@xxxxxxxxx wrote:
Depends on:
http://lists.infradead.org/pipermail/linux-riscv/2018-October/001931.html

Why we don't have HAVE_SYSCALL_TRACEPOINTS in arch/riscv/Kconfig?

Signed-off-by: David Abdurachmanov <david.abdurachmanov@xxxxxxxxx>
---
arch/riscv/kernel/ptrace.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/riscv/kernel/ptrace.c b/arch/riscv/kernel/ptrace.c
index 9f82a7e34c64..9db7d0076375 100644
--- a/arch/riscv/kernel/ptrace.c
+++ b/arch/riscv/kernel/ptrace.c
@@ -120,6 +120,6 @@ void do_syscall_trace_exit(struct pt_regs *regs)

#ifdef CONFIG_HAVE_SYSCALL_TRACEPOINTS
if (test_thread_flag(TIF_SYSCALL_TRACEPOINT))
- trace_sys_exit(regs, regs->regs[0]);
+ trace_sys_exit(regs, regs_return_value(regs));
#endif
}

I'm dropping this onto next-audit on top of the other two.

Thanks!