From: Ralf Baechle <ralf@linux-mips.org>
Date: Tue, 28 Dec 2004 07:49:43 +0000 (+0000)
Subject: Fix build with SMP disabled and preemption enabled.
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=b188ffe876382ecc009ceb4fe033fd6ec7ba4ede;p=GitHub%2FLineageOS%2Fandroid_kernel_samsung_universal7580.git

Fix build with SMP disabled and preemption enabled.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---

diff --git a/arch/mips/kernel/gdb-stub.c b/arch/mips/kernel/gdb-stub.c
index d3fd1ab1427..7c46b336c7d 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;