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authorRalf Baechle <ralf@linux-mips.org>2004-12-28 07:49:43 +0000
committerRalf Baechle <ralf@linux-mips.org>2005-10-29 19:30:17 +0100
commitb188ffe876382ecc009ceb4fe033fd6ec7ba4ede (patch)
tree076658e5088c376aafbccafd8a767c587e14aea9 /arch/mips
parent0964ce24d091a1d3dc7f667e1b107ab77d4325e6 (diff)
Fix build with SMP disabled and preemption enabled.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips')
-rw-r--r--arch/mips/kernel/gdb-stub.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/mips/kernel/gdb-stub.c b/arch/mips/kernel/gdb-stub.c
index d3fd1ab14274..7c46b336c7db 100644
--- a/arch/mips/kernel/gdb-stub.c
+++ b/arch/mips/kernel/gdb-stub.c
@@ -637,15 +637,18 @@ static struct gdb_bp_save async_bp;
* and only one can be active at a time.
*/
extern spinlock_t smp_call_lock;
+
void set_async_breakpoint(unsigned long *epc)
{
/* skip breaking into userland */
if ((*epc & 0x80000000) == 0)
return;
+#ifdef CONFIG_SMP
/* avoid deadlock if someone is make IPC */
if (spin_is_locked(&smp_call_lock))
return;
+#endif
async_bp.addr = *epc;
*epc = (unsigned long)async_breakpoint;

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