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From: Jason Wessel on 5 Aug 2010 10:50
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(a)windriver.com>
Signed-off-by: Dongdong Deng <dongdong.deng(a)windriver.com>
Acked-by: Ralf Baechle <ralf(a)linux-mips.org>
CC: linux-mips(a)linux-mips.org
---
arch/mips/kernel/kgdb.c | 8 +-------
1 files changed, 1 insertions(+), 7 deletions(-)

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 @@ static struct notifier_block kgdb_notifier = {
};

/*
- * 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 @@ int kgdb_arch_handle_exception(int vector, int signo, int err_code,
{
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;
}

--
1.6.3.3

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Prev: [PATCH 06/17] kgdb,arm: Individual register get/set for arm
Next: [PATCH 12/17] ftrace,kdb: Allow dumping a specific cpu's buffer with ftdump