MIPS: Remove unused task_struct.trap_no field.
It is initialized to zero and only ever read. Remove it, and pass zero in
its place.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
To: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/1531/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/include/asm/processor.h b/arch/mips/include/asm/processor.h
index 24d91f8..0d629bb 100644
--- a/arch/mips/include/asm/processor.h
+++ b/arch/mips/include/asm/processor.h
@@ -229,7 +229,6 @@
unsigned long cp0_badvaddr; /* Last user fault */
unsigned long cp0_baduaddr; /* Last kernel fault accessing USEG */
unsigned long error_code;
- unsigned long trap_no;
unsigned long irix_trampoline; /* Wheee... */
unsigned long irix_oldctx;
#ifdef CONFIG_CPU_CAVIUM_OCTEON
@@ -301,7 +300,6 @@
.cp0_badvaddr = 0, \
.cp0_baduaddr = 0, \
.error_code = 0, \
- .trap_no = 0, \
.irix_trampoline = 0, \
.irix_oldctx = 0, \
/* \
diff --git a/arch/mips/kernel/asm-offsets.c b/arch/mips/kernel/asm-offsets.c
index ca6c832..6b30fb2 100644
--- a/arch/mips/kernel/asm-offsets.c
+++ b/arch/mips/kernel/asm-offsets.c
@@ -126,7 +126,6 @@
thread.cp0_baduaddr);
OFFSET(THREAD_ECODE, task_struct, \
thread.error_code);
- OFFSET(THREAD_TRAPNO, task_struct, thread.trap_no);
OFFSET(THREAD_TRAMP, task_struct, \
thread.irix_trampoline);
OFFSET(THREAD_OLDCTX, task_struct, \
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 4c6079f..6019e9e 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -376,7 +376,7 @@
mips_mt_regdump(dvpret);
#endif /* CONFIG_MIPS_MT_SMTC */
- if (notify_die(DIE_OOPS, str, regs, 0, current->thread.trap_no, SIGSEGV) == NOTIFY_STOP)
+ if (notify_die(DIE_OOPS, str, regs, 0, 0, SIGSEGV) == NOTIFY_STOP)
sig = 0;
printk("%s[#%d]:\n", str, ++die_counter);