From 812cb83a56a908729c453a7db3fb2c262119bc9d Mon Sep 17 00:00:00 2001 From: Kirill Tkhai Date: Sat, 14 Sep 2013 16:02:11 +0400 Subject: sparc64: Implement HAVE_CONTEXT_TRACKING Mark the places when the system are in user or are in kernel. This is used to make full dynticks system (tickless) -- CONFIG_NO_HZ_FULL dependence. Signed-off-by: Kirill Tkhai CC: David Miller Signed-off-by: David S. Miller --- arch/sparc/kernel/kgdb_64.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'arch/sparc/kernel/kgdb_64.c') diff --git a/arch/sparc/kernel/kgdb_64.c b/arch/sparc/kernel/kgdb_64.c index 53c0a82e6030..60b19f50c80a 100644 --- a/arch/sparc/kernel/kgdb_64.c +++ b/arch/sparc/kernel/kgdb_64.c @@ -159,11 +159,12 @@ int kgdb_arch_handle_exception(int e_vector, int signo, int err_code, asmlinkage void kgdb_trap(unsigned long trap_level, struct pt_regs *regs) { + enum ctx_state prev_state = exception_enter(); unsigned long flags; if (user_mode(regs)) { bad_trap(regs, trap_level); - return; + goto out; } flushw_all(); @@ -171,6 +172,8 @@ asmlinkage void kgdb_trap(unsigned long trap_level, struct pt_regs *regs) local_irq_save(flags); kgdb_handle_exception(0x172, SIGTRAP, 0, regs); local_irq_restore(flags); +out: + exception_exit(prev_state); } int kgdb_arch_init(void) -- cgit