[PATCH 3.16 134/202] tracehook_signal_handler: Remove sig, info, ka and regs

From: Ben Hutchings
Date: Sat Apr 27 2019 - 11:23:38 EST


3.16.66-rc1 review patch. If anyone has any objections, please let me know.

------------------

From: Richard Weinberger <richard@xxxxxx>

commit df5601f9c3d831b4c478b004a1ed90a18643adbe upstream.

These parameters are nowhere used, so we can remove them.

Signed-off-by: Richard Weinberger <richard@xxxxxx>
[bwh: Backported to 3.16 as dependency of commit 35634ffa1751
"signal: Always notice exiting tasks"]
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
---
include/linux/tracehook.h | 8 +-------
kernel/signal.c | 2 +-
2 files changed, 2 insertions(+), 8 deletions(-)

--- a/include/linux/tracehook.h
+++ b/include/linux/tracehook.h
@@ -133,10 +133,6 @@ static inline void tracehook_report_sysc

/**
* tracehook_signal_handler - signal handler setup is complete
- * @sig: number of signal being delivered
- * @info: siginfo_t of signal being delivered
- * @ka: sigaction setting that chose the handler
- * @regs: user register state
* @stepping: nonzero if debugger single-step or block-step in use
*
* Called by the arch code after a signal handler has been set up.
@@ -146,9 +142,7 @@ static inline void tracehook_report_sysc
* Called without locks, shortly before returning to user mode
* (or handling more signals).
*/
-static inline void tracehook_signal_handler(int sig, siginfo_t *info,
- const struct k_sigaction *ka,
- struct pt_regs *regs, int stepping)
+static inline void tracehook_signal_handler(int stepping)
{
if (stepping)
ptrace_notify(SIGTRAP);
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -2387,7 +2387,7 @@ void signal_delivered(int sig, siginfo_t
if (!(ka->sa.sa_flags & SA_NODEFER))
sigaddset(&blocked, sig);
set_current_blocked(&blocked);
- tracehook_signal_handler(sig, info, ka, regs, stepping);
+ tracehook_signal_handler(stepping);
}

void signal_setup_done(int failed, struct ksignal *ksig, int stepping)