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Commit 9c636e30 authored by David S. Miller's avatar David S. Miller
Browse files

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: default avatarDavid S. Miller <davem@davemloft.net>
parent a0148213
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+0 −9
Original line number Diff line number Diff line
@@ -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];
+0 −6
Original line number Diff line number Diff line
@@ -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)
{
+0 −6
Original line number Diff line number Diff line
@@ -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);
+0 −35
Original line number Diff line number Diff line
@@ -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: