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authorDavid S. Miller <davem@davemloft.net>2008-07-31 01:06:02 -0700
committerDavid S. Miller <davem@davemloft.net>2008-07-31 01:06:02 -0700
commit9c636e30a33aa37873c53977c429f0fdad4ec0eb (patch)
tree6f147f693afb81e7faa7e27c1e2d356685027933 /arch/sparc64
parenta014821340f068bea2fd39cb2578a043fc0dfc57 (diff)
sparc64: Kill smp_report_regs().
All the call sites are #if 0'd out and we have a much more useful global cpu dumping facility these days. smp_report_regs() is way too verbose to be usable. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64')
-rw-r--r--arch/sparc64/kernel/process.c9
-rw-r--r--arch/sparc64/kernel/smp.c6
-rw-r--r--arch/sparc64/kernel/traps.c6
-rw-r--r--arch/sparc64/mm/ultra.S35
4 files changed, 0 insertions, 56 deletions
diff --git a/arch/sparc64/kernel/process.c b/arch/sparc64/kernel/process.c
index affa4395245..bf740e039b7 100644
--- a/arch/sparc64/kernel/process.c
+++ b/arch/sparc64/kernel/process.c
@@ -254,15 +254,6 @@ void __show_regs(struct pt_regs * regs)
void show_regs(struct pt_regs *regs)
{
__show_regs(regs);
-#if 0
-#ifdef CONFIG_SMP
- {
- extern void smp_report_regs(void);
-
- smp_report_regs();
- }
-#endif
-#endif
}
struct global_reg_snapshot global_reg_snapshot[NR_CPUS];
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c
index 7cf72b4bb10..340842e51ce 100644
--- a/arch/sparc64/kernel/smp.c
+++ b/arch/sparc64/kernel/smp.c
@@ -843,7 +843,6 @@ void smp_tsb_sync(struct mm_struct *mm)
extern unsigned long xcall_flush_tlb_mm;
extern unsigned long xcall_flush_tlb_pending;
extern unsigned long xcall_flush_tlb_kernel_range;
-extern unsigned long xcall_report_regs;
#ifdef CONFIG_MAGIC_SYSRQ
extern unsigned long xcall_fetch_glob_regs;
#endif
@@ -1022,11 +1021,6 @@ void kgdb_roundup_cpus(unsigned long flags)
}
#endif
-void smp_report_regs(void)
-{
- smp_cross_call(&xcall_report_regs, 0, 0, 0);
-}
-
#ifdef CONFIG_MAGIC_SYSRQ
void smp_fetch_global_regs(void)
{
diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c
index bd30ecba563..f56b6fe78e9 100644
--- a/arch/sparc64/kernel/traps.c
+++ b/arch/sparc64/kernel/traps.c
@@ -2177,7 +2177,6 @@ static inline struct reg_window *kernel_stack_up(struct reg_window *rw)
void die_if_kernel(char *str, struct pt_regs *regs)
{
static int die_counter;
- extern void smp_report_regs(void);
int count = 0;
/* Amuse the user. */
@@ -2215,11 +2214,6 @@ void die_if_kernel(char *str, struct pt_regs *regs)
}
user_instruction_dump ((unsigned int __user *) regs->tpc);
}
-#if 0
-#ifdef CONFIG_SMP
- smp_report_regs();
-#endif
-#endif
if (regs->tstate & TSTATE_PRIV)
do_exit(SIGKILL);
do_exit(SIGSEGV);
diff --git a/arch/sparc64/mm/ultra.S b/arch/sparc64/mm/ultra.S
index 77ba88597cc..ff1dc44d363 100644
--- a/arch/sparc64/mm/ultra.S
+++ b/arch/sparc64/mm/ultra.S
@@ -480,41 +480,6 @@ xcall_sync_tick:
b rtrap_xcall
ldx [%sp + PTREGS_OFF + PT_V9_TSTATE], %l1
- /* NOTE: This is SPECIAL!! We do etrap/rtrap however
- * we choose to deal with the "BH's run with
- * %pil==15" problem (described in asm/pil.h)
- * by just invoking rtrap directly past where
- * BH's are checked for.
- *
- * We do it like this because we do not want %pil==15
- * lockups to prevent regs being reported.
- */
- .globl xcall_report_regs
-xcall_report_regs:
-
-661: rdpr %pstate, %g2
- wrpr %g2, PSTATE_IG | PSTATE_AG, %pstate
- .section .sun4v_2insn_patch, "ax"
- .word 661b
- nop
- nop
- .previous
-
- rdpr %pil, %g2
- wrpr %g0, 15, %pil
- sethi %hi(109f), %g7
- b,pt %xcc, etrap_irq
-109: or %g7, %lo(109b), %g7
-#ifdef CONFIG_TRACE_IRQFLAGS
- call trace_hardirqs_off
- nop
-#endif
- call __show_regs
- add %sp, PTREGS_OFF, %o0
- /* Has to be a non-v9 branch due to the large distance. */
- b rtrap_xcall
- ldx [%sp + PTREGS_OFF + PT_V9_TSTATE], %l1
-
#ifdef CONFIG_MAGIC_SYSRQ
.globl xcall_fetch_glob_regs
xcall_fetch_glob_regs: