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Subject[PATCH 07/10] signal/powerpc: Remove unnecessary signal_code parameter of do_send_trap
signal_code is always TRAP_HWBKPT

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
---
arch/powerpc/include/asm/debug.h | 2 +-
arch/powerpc/kernel/process.c | 6 +++---
arch/powerpc/kernel/traps.c | 12 ++++++------
3 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/arch/powerpc/include/asm/debug.h b/arch/powerpc/include/asm/debug.h
index 14e71ff6579e..fc97404de0a3 100644
--- a/arch/powerpc/include/asm/debug.h
+++ b/arch/powerpc/include/asm/debug.h
@@ -49,7 +49,7 @@ void set_breakpoint(struct arch_hw_breakpoint *brk);
void __set_breakpoint(struct arch_hw_breakpoint *brk);
#ifdef CONFIG_PPC_ADV_DEBUG_REGS
extern void do_send_trap(struct pt_regs *regs, unsigned long address,
- unsigned long error_code, int signal_code, int brkpt);
+ unsigned long error_code, int brkpt);
#else

extern void do_break(struct pt_regs *regs, unsigned long address,
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 72be0c32e902..bfb48cf56bc3 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -601,11 +601,11 @@ EXPORT_SYMBOL(flush_all_to_thread);

#ifdef CONFIG_PPC_ADV_DEBUG_REGS
void do_send_trap(struct pt_regs *regs, unsigned long address,
- unsigned long error_code, int signal_code, int breakpt)
+ unsigned long error_code, int breakpt)
{
siginfo_t info;

- current->thread.trap_nr = signal_code;
+ current->thread.trap_nr = TRAP_HWBKPT;
if (notify_die(DIE_DABR_MATCH, "dabr_match", regs, error_code,
11, SIGSEGV) == NOTIFY_STOP)
return;
@@ -613,7 +613,7 @@ void do_send_trap(struct pt_regs *regs, unsigned long address,
/* Deliver the signal to userspace */
info.si_signo = SIGTRAP;
info.si_errno = breakpt; /* breakpoint or watchpoint id */
- info.si_code = signal_code;
+ info.si_code = TRAP_HWBKPT;
info.si_addr = (void __user *)address;
force_sig_info(SIGTRAP, &info, current);
}
diff --git a/arch/powerpc/kernel/traps.c b/arch/powerpc/kernel/traps.c
index f2e6e1838952..c93f1e6a9fff 100644
--- a/arch/powerpc/kernel/traps.c
+++ b/arch/powerpc/kernel/traps.c
@@ -1750,34 +1750,34 @@ static void handle_debug(struct pt_regs *regs, unsigned long debug_status)
#ifdef CONFIG_PPC_ADV_DEBUG_DAC_RANGE
current->thread.debug.dbcr2 &= ~DBCR2_DAC12MODE;
#endif
- do_send_trap(regs, mfspr(SPRN_DAC1), debug_status, TRAP_HWBKPT,
+ do_send_trap(regs, mfspr(SPRN_DAC1), debug_status,
5);
changed |= 0x01;
} else if (debug_status & (DBSR_DAC2R | DBSR_DAC2W)) {
dbcr_dac(current) &= ~(DBCR_DAC2R | DBCR_DAC2W);
- do_send_trap(regs, mfspr(SPRN_DAC2), debug_status, TRAP_HWBKPT,
+ do_send_trap(regs, mfspr(SPRN_DAC2), debug_status,
6);
changed |= 0x01;
} else if (debug_status & DBSR_IAC1) {
current->thread.debug.dbcr0 &= ~DBCR0_IAC1;
dbcr_iac_range(current) &= ~DBCR_IAC12MODE;
- do_send_trap(regs, mfspr(SPRN_IAC1), debug_status, TRAP_HWBKPT,
+ do_send_trap(regs, mfspr(SPRN_IAC1), debug_status,
1);
changed |= 0x01;
} else if (debug_status & DBSR_IAC2) {
current->thread.debug.dbcr0 &= ~DBCR0_IAC2;
- do_send_trap(regs, mfspr(SPRN_IAC2), debug_status, TRAP_HWBKPT,
+ do_send_trap(regs, mfspr(SPRN_IAC2), debug_status,
2);
changed |= 0x01;
} else if (debug_status & DBSR_IAC3) {
current->thread.debug.dbcr0 &= ~DBCR0_IAC3;
dbcr_iac_range(current) &= ~DBCR_IAC34MODE;
- do_send_trap(regs, mfspr(SPRN_IAC3), debug_status, TRAP_HWBKPT,
+ do_send_trap(regs, mfspr(SPRN_IAC3), debug_status,
3);
changed |= 0x01;
} else if (debug_status & DBSR_IAC4) {
current->thread.debug.dbcr0 &= ~DBCR0_IAC4;
- do_send_trap(regs, mfspr(SPRN_IAC4), debug_status, TRAP_HWBKPT,
+ do_send_trap(regs, mfspr(SPRN_IAC4), debug_status,
4);
changed |= 0x01;
}
--
2.14.1
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