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>

diff --git a/arch/sparc64/kernel/process.c b/arch/sparc64/kernel/process.c
index affa439..bf740e0 100644 (file)
--- 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 7cf72b4..340842e 100644 (file)
--- 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 bd30ecb..f56b6fe 100644 (file)
--- 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 77ba885..ff1dc44 100644 (file)
--- 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: