linux-kernel - [PATCH 28/29] tracehook_signal_handler: Remove sig, info, ka and regs

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Date:	Tue,  8 Oct 2013 13:36:18 +0200
From:	Richard Weinberger <richard@....at>
To:	linux-kernel@...r.kernel.org
Cc:	linux-arch@...r.kernel.org, viro@...iv.linux.org.uk,
	vgupta@...opsys.com, catalin.marinas@....com, will.deacon@....com,
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	akpm@...ux-foundation.org, oleg@...hat.com, tj@...nel.org,
	Richard Weinberger <richard@....at>
Subject: [PATCH 28/29] tracehook_signal_handler: Remove sig, info, ka and regs

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

Signed-off-by: Richard Weinberger <richard@....at>
---
 include/linux/tracehook.h | 8 +-------
 kernel/signal.c           | 2 +-
 2 files changed, 2 insertions(+), 8 deletions(-)

diff --git a/include/linux/tracehook.h b/include/linux/tracehook.h
index 1e98b55..c4877e3 100644
--- a/include/linux/tracehook.h
+++ b/include/linux/tracehook.h
@@ -133,10 +133,6 @@ static inline void tracehook_report_syscall_exit(struct pt_regs *regs, int step)
 
 /**
  * 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_syscall_exit(struct pt_regs *regs, int step)
  * 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);
diff --git a/kernel/signal.c b/kernel/signal.c
index 5cf68fb..38d46e2 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -2401,7 +2401,7 @@ void signal_delivered(int sig, siginfo_t *info, struct k_sigaction *ka,
 	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)
-- 
1.8.1.4

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