linux-next/include/asm-generic/tlbflush.h

#ifndef __ASM_GENERIC_TLBFLUSH_H
#define __ASM_GENERIC_TLBFLUSH_H
/*
 * This is a dummy tlbflush implementation that can be used on all
 * nommu architectures.
 * If you have an MMU, you need to write your own functions.
 */
#ifdef CONFIG_MMU
#error need to implement an architecture specific asm/tlbflush.h
#endif

#include <linux/bug.h>

static inline void flush_tlb_mm(struct mm_struct *mm)
{
	BUG();
}


#endif /* __ASM_GENERIC_TLBFLUSH_H */
asm-generic: add generic NOMMU versions of some headers Memory management in generic is highly architecture specific, but on NOMMU architectures, it is mostly trivial, so just add a default implementation in asm-generic that applies to all NOMMU architectures. The two files cache.h and cacheflush.h can possibly also be used by architectures that have an MMU but never require flushing the cache or have cache lines larger than 32 bytes. Signed-off-by: Remis Lima Baima <remis.developer@googlemail.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> 2009-05-14 06:56:36 +08:00			`#ifndef __ASM_GENERIC_TLBFLUSH_H`
			`#define __ASM_GENERIC_TLBFLUSH_H`
			`/*`
			`* This is a dummy tlbflush implementation that can be used on all`
			`* nommu architectures.`
			`* If you have an MMU, you need to write your own functions.`
			`*/`
			`#ifdef CONFIG_MMU`
			`#error need to implement an architecture specific asm/tlbflush.h`
			`#endif`

BUG: headers with BUG/BUG_ON etc. need linux/bug.h If a header file is making use of BUG, BUG_ON, BUILD_BUG_ON, or any other BUG variant in a static inline (i.e. not in a #define) then that header really should be including <linux/bug.h> and not just expecting it to be implicitly present. We can make this change risk-free, since if the files using these headers didn't have exposure to linux/bug.h already, they would have been causing compile failures/warnings. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> 2011-11-24 09:12:59 +08:00			`#include <linux/bug.h>`

asm-generic: add generic NOMMU versions of some headers Memory management in generic is highly architecture specific, but on NOMMU architectures, it is mostly trivial, so just add a default implementation in asm-generic that applies to all NOMMU architectures. The two files cache.h and cacheflush.h can possibly also be used by architectures that have an MMU but never require flushing the cache or have cache lines larger than 32 bytes. Signed-off-by: Remis Lima Baima <remis.developer@googlemail.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de> 2009-05-14 06:56:36 +08:00			`static inline void flush_tlb_mm(struct mm_struct *mm)`
			`{`
			`BUG();`
			`}`


			`#endif /* __ASM_GENERIC_TLBFLUSH_H */`