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[MIPS] Make KGDB compile on UP
Building UP kernel with KGDB enabled produces the following errors and warning (fatal due to -Werror in arch/mips/kernel/Makefile): In file included from arch/mips/kernel/gdb-stub.c:142: include/asm/smp.h:25:1: "raw_smp_processor_id" redefined In file included from include/linux/sched.h:69, from arch/mips/kernel/gdb-stub.c:126: include/linux/smp.h:88:1: this is the location of the previous definition In file included from arch/mips/kernel/gdb-stub.c:142: include/asm/smp.h:62: error: redefinition of 'smp_send_reschedule' include/linux/smp.h:102: error: previous definition of 'smp_send_reschedule' was here include/asm/smp.h: In function `smp_send_reschedule': include/asm/smp.h:65: error: dereferencing pointer to incomplete type arch/mips/kernel/gdb-stub.c: At top level: arch/mips/kernel/gdb-stub.c:660: warning: 'kgdb_wait' defined but not used Fix the errors by not directly including <asm/smp.h> (which is already included by <linux/smp.h>) and the warning by enclosing kgdb_wait() in #ifdef CONFIG_SMP. Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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@ -139,7 +139,6 @@
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#include <asm/system.h>
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#include <asm/gdb-stub.h>
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#include <asm/inst.h>
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#include <asm/smp.h>
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/*
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* external low-level support routines
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@ -656,6 +655,7 @@ void set_async_breakpoint(unsigned long *epc)
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*epc = (unsigned long)async_breakpoint;
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}
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#ifdef CONFIG_SMP
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static void kgdb_wait(void *arg)
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{
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unsigned flags;
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@ -668,6 +668,7 @@ static void kgdb_wait(void *arg)
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local_irq_restore(flags);
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}
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#endif
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/*
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* GDB stub needs to call kgdb_wait on all processor with interrupts
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