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Diffstat (limited to 'arch/sparc64/kernel/process.c')
-rw-r--r--arch/sparc64/kernel/process.c26
1 files changed, 1 insertions, 25 deletions
diff --git a/arch/sparc64/kernel/process.c b/arch/sparc64/kernel/process.c
index bf740e0..7f5debd 100644
--- a/arch/sparc64/kernel/process.c
+++ b/arch/sparc64/kernel/process.c
@@ -211,22 +211,8 @@ static void show_regwindow(struct pt_regs *regs)
printk("I7: <%pS>\n", (void *) rwk->ins[7]);
}
-#ifdef CONFIG_SMP
-static DEFINE_SPINLOCK(regdump_lock);
-#endif
-
-void __show_regs(struct pt_regs * regs)
+void show_regs(struct pt_regs *regs)
{
-#ifdef CONFIG_SMP
- unsigned long flags;
-
- /* Protect against xcall ipis which might lead to livelock on the lock */
- __asm__ __volatile__("rdpr %%pstate, %0\n\t"
- "wrpr %0, %1, %%pstate"
- : "=r" (flags)
- : "i" (PSTATE_IE));
- spin_lock(&regdump_lock);
-#endif
printk("TSTATE: %016lx TPC: %016lx TNPC: %016lx Y: %08x %s\n", regs->tstate,
regs->tpc, regs->tnpc, regs->y, print_tainted());
printk("TPC: <%pS>\n", (void *) regs->tpc);
@@ -244,16 +230,6 @@ void __show_regs(struct pt_regs * regs)
regs->u_regs[15]);
printk("RPC: <%pS>\n", (void *) regs->u_regs[15]);
show_regwindow(regs);
-#ifdef CONFIG_SMP
- spin_unlock(&regdump_lock);
- __asm__ __volatile__("wrpr %0, 0, %%pstate"
- : : "r" (flags));
-#endif
-}
-
-void show_regs(struct pt_regs *regs)
-{
- __show_regs(regs);
}
struct global_reg_snapshot global_reg_snapshot[NR_CPUS];
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