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mn10300: Use common threadinfo allocator
Let the core code allocate and handle the kgdb cleanup with the arch_release_thread_info() function. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: David Howells <dhowells@redhat.com> Link: http://lkml.kernel.org/r/20120505150141.996582377@linutronix.de
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@ -20,8 +20,10 @@
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#ifdef CONFIG_4KSTACKS
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#define THREAD_SIZE (4096)
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#define THREAD_SIZE_ORDER (0)
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#else
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#define THREAD_SIZE (8192)
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#define THREAD_SIZE_ORDER (1)
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#endif
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#define STACK_WARN (THREAD_SIZE / 8)
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@ -120,21 +122,8 @@ static inline unsigned long current_stack_pointer(void)
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return sp;
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}
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#define __HAVE_ARCH_THREAD_INFO_ALLOCATOR
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/* thread information allocation */
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#ifdef CONFIG_DEBUG_STACK_USAGE
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#define alloc_thread_info_node(tsk, node) \
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kzalloc_node(THREAD_SIZE, GFP_KERNEL, node)
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#else
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#define alloc_thread_info_node(tsk, node) \
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kmalloc_node(THREAD_SIZE, GFP_KERNEL, node)
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#endif
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#ifndef CONFIG_KGDB
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#define free_thread_info(ti) kfree((ti))
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#else
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extern void free_thread_info(struct thread_info *);
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void arch_release_thread_info(struct thread_info *ti)
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#endif
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#define get_thread_info(ti) get_task_struct((ti)->task)
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#define put_thread_info(ti) put_task_struct((ti)->task)
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@ -397,7 +397,7 @@ static bool kgdb_arch_undo_singlestep(struct pt_regs *regs)
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* single-step state is cleared. At this point the breakpoints should have
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* been removed by __switch_to().
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*/
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void free_thread_info(struct thread_info *ti)
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void arch_release_thread_info(struct thread_info *ti)
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{
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if (kgdb_sstep_thread == ti) {
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kgdb_sstep_thread = NULL;
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@ -407,7 +407,6 @@ void free_thread_info(struct thread_info *ti)
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* so force immediate reentry */
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kgdb_breakpoint();
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}
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kfree(ti);
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}
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/*
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