kgdb,mips: remove unused kgdb_cpu_doing_single_step operations
The mips kgdb specific code does not support software or HW single
stepping so it should not implement
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Dongdong Deng <dongdong.deng@windriver.com>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
CC: linux-mips@linux-mips.org
diff --git a/arch/mips/kernel/kgdb.c b/arch/mips/kernel/kgdb.c
index 5e76c2d..1f4e2fa 100644
--- a/arch/mips/kernel/kgdb.c
+++ b/arch/mips/kernel/kgdb.c
@@ -329,7 +329,7 @@
};
/*
- * Handle the 's' and 'c' commands
+ * Handle the 'c' command
*/
int kgdb_arch_handle_exception(int vector, int signo, int err_code,
char *remcom_in_buffer, char *remcom_out_buffer,
@@ -337,20 +337,14 @@
{
char *ptr;
unsigned long address;
- int cpu = smp_processor_id();
switch (remcom_in_buffer[0]) {
- case 's':
case 'c':
/* handle the optional parameter */
ptr = &remcom_in_buffer[1];
if (kgdb_hex2long(&ptr, &address))
regs->cp0_epc = address;
- atomic_set(&kgdb_cpu_doing_single_step, -1);
- if (remcom_in_buffer[0] == 's')
- atomic_set(&kgdb_cpu_doing_single_step, cpu);
-
return 0;
}