[SPARC64]: Dump local cpu registers in sun4v_log_error()

This makes the debugging information more usable.

Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c
index 2793a5d823803cb7b96055802935179d5e3d4333..563db528e031830cdcded747e7fa2ecae7e0ec31 100644 (file)
--- a/arch/sparc64/kernel/traps.c
+++ b/arch/sparc64/kernel/traps.c
@@ -1797,7 +1797,9 @@ static const char *sun4v_err_type_to_str(u32 type)
        };
 }
 
-static void sun4v_log_error(struct sun4v_error_entry *ent, int cpu, const char *pfx, atomic_t *ocnt)
+extern void __show_regs(struct pt_regs * regs);
+
+static void sun4v_log_error(struct pt_regs *regs, struct sun4v_error_entry *ent, int cpu, const char *pfx, atomic_t *ocnt)
 {
        int cnt;
 
@@ -1830,6 +1832,8 @@ static void sun4v_log_error(struct sun4v_error_entry *ent, int cpu, const char *
               pfx,
               ent->err_raddr, ent->err_size, ent->err_cpu);
 
+       __show_regs(regs);
+
        if ((cnt = atomic_read(ocnt)) != 0) {
                atomic_set(ocnt, 0);
                wmb();
@@ -1862,7 +1866,7 @@ void sun4v_resum_error(struct pt_regs *regs, unsigned long offset)
 
        put_cpu();
 
-       sun4v_log_error(&local_copy, cpu,
+       sun4v_log_error(regs, &local_copy, cpu,
                        KERN_ERR "RESUMABLE ERROR",
                        &sun4v_resum_oflow_cnt);
 }
@@ -1910,7 +1914,7 @@ void sun4v_nonresum_error(struct pt_regs *regs, unsigned long offset)
        }
 #endif
 
-       sun4v_log_error(&local_copy, cpu,
+       sun4v_log_error(regs, &local_copy, cpu,
                        KERN_EMERG "NON-RESUMABLE ERROR",
                        &sun4v_nonresum_oflow_cnt);
 
@@ -2200,7 +2204,6 @@ 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 __show_regs(struct pt_regs * regs);
        extern void smp_report_regs(void);
        int count = 0;