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lockdep, UML: fix compilation when CONFIG_TRACE_IRQFLAGS_SUPPORT is not set

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Hiroshi Shimamoto reported:

> > !TRACE_IRQFLAGS_SUPPORT mode of build for future work, it can be
> > restored via a simple revert.
>
> Hi, it seems that this patch breaks uml build.
>
> kernel/printk.c: In function 'vprintk':
> kernel/printk.c:674: error: implicit declaration of function
> 'raw_local_irq_save' kernel/printk.c:772: error: implicit declaration of
> function 'raw_local_irq_restore'

With the patch bellow it compiles (make ARCH=um with a x86 host), but I'm
really out of my league on this one...

Reported-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Rui Sousa 2008-09-04 19:47:53 +02:00 committed by Ingo Molnar
parent cdad72207d
commit 8c56250f48
1 changed files with 16 additions and 16 deletions
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32
include/asm-um/system-generic.h
View file

@ -4,15 +4,15 @@
#include "asm/arch/system.h"
#undef switch_to
#undef local_irq_save
#undef local_irq_restore
#undef local_irq_disable
#undef local_irq_enable
#undef local_save_flags
#undef local_irq_restore
#undef local_irq_enable
#undef local_irq_disable
#undef local_irq_save
#undef raw_local_irq_save
#undef raw_local_irq_restore
#undef raw_local_irq_disable
#undef raw_local_irq_enable
#undef raw_local_save_flags
#undef raw_local_irq_restore
#undef raw_local_irq_enable
#undef raw_local_irq_disable
#undef raw_local_irq_save
#undef irqs_disabled
extern void *switch_to(void *prev, void *next, void *last);
@ -23,21 +23,21 @@ extern int get_signals(void);
extern void block_signals(void);
extern void unblock_signals(void);
#define local_save_flags(flags) do { typecheck(unsigned long, flags); \
#define raw_local_save_flags(flags) do { typecheck(unsigned long, flags); \
(flags) = get_signals(); } while(0)
#define local_irq_restore(flags) do { typecheck(unsigned long, flags); \
#define raw_local_irq_restore(flags) do { typecheck(unsigned long, flags); \
set_signals(flags); } while(0)
#define local_irq_save(flags) do { local_save_flags(flags); \
local_irq_disable(); } while(0)
#define raw_local_irq_save(flags) do { raw_local_save_flags(flags); \
raw_local_irq_disable(); } while(0)
#define local_irq_enable() unblock_signals()
#define local_irq_disable() block_signals()
#define raw_local_irq_enable() unblock_signals()
#define raw_local_irq_disable() block_signals()
#define irqs_disabled() \
({ \
unsigned long flags; \
local_save_flags(flags); \
raw_local_save_flags(flags); \
(flags == 0); \
})