diff options
| author | David Daney <ddaney@caviumnetworks.com> | 2010-08-03 23:57:39 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2010-08-05 14:26:30 +0200 |
| commit | 7281cd22973008a782860e48ed8d85d00204168c (patch) | |
| tree | a7422ee8592cd9dc0cd191409a9a491a19031ea4 /arch/mips | |
| parent | Documentation: Mention that KProbes is supported on MIPS (diff) | |
| download | linux-7281cd22973008a782860e48ed8d85d00204168c.tar.xz linux-7281cd22973008a782860e48ed8d85d00204168c.zip | |
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>
Diffstat (limited to 'arch/mips')
| -rw-r--r-- | arch/mips/include/asm/processor.h | 2 | ||||
| -rw-r--r-- | arch/mips/kernel/asm-offsets.c | 1 | ||||
| -rw-r--r-- | arch/mips/kernel/traps.c | 2 |
3 files changed, 1 insertions, 4 deletions
diff --git a/arch/mips/include/asm/processor.h b/arch/mips/include/asm/processor.h index 24d91f8618f0..0d629bb93cbe 100644 --- a/arch/mips/include/asm/processor.h +++ b/arch/mips/include/asm/processor.h @@ -229,7 +229,6 @@ struct thread_struct { 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 @@ struct thread_struct { .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 ca6c83218caa..6b30fb2caa67 100644 --- a/arch/mips/kernel/asm-offsets.c +++ b/arch/mips/kernel/asm-offsets.c @@ -126,7 +126,6 @@ void output_thread_defines(void) 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 4c6079f24958..6019e9ea9a6b 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -376,7 +376,7 @@ void __noreturn die(const char * str, struct pt_regs * regs) 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); |