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kernel build fails if CONFIG_KGDB=y and CONFIG_SMP=n

PATCH New Frank Rowand 1 participant 1 message Dec 14, 2007 MIPS

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Frank Rowand

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PATCH 1/1 kernel build fails if CONFIG_KGDB=y and CONFIG_SMP=n

The kernel build fails if CONFIG_KGDB=y and CONFIG_SMP=n.

kgdb_wait() is defined but unused, resulting in a warning. The warning is converted to an error by the "EXTRA_CFLAGS += -Werror" in arch/mips/kernel/Makefile.

Signed-off-by Frank Rowand <[email protected]>

---
arch/mips/kernel/gdb-stub.c | 2 2 + 0 - 0 !

 1 files changed, 2 insertions(+)
arch/mips/kernel/gdb-stub.c +2 -0
Index: linux-2.6.24-rc4/arch/mips/kernel/gdb-stub.c
===================================================================
@@ -656,6 +656,7 @@ void set_async_breakpoint(unsigned long 
 	*epc = (unsigned long)async_breakpoint;
 }
 
+#ifdef CONFIG_SMP
 static void kgdb_wait(void *arg)
 {
 	unsigned flags;

@@ -668,6 +669,7 @@ static void kgdb_wait(void *arg)
 
 	local_irq_restore(flags);
 }
+#endif
 
 /*
  * GDB stub needs to call kgdb_wait on all processor with interrupts