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Code Issues Releases Activity

Implement local sfbuf_map and sfbuf_unmap for MIPS32.

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The pre-rework behaviour was not to keep the cached mappings around after
the sfbuf was used but instead to recycle said mappings.

PR:		kern/193400
This commit is contained in:
Adrian Chadd 2014-09-06 22:38:32 +00:00
parent 24110da033
commit 89a4f450d7
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=271213
2 changed files with 20 additions and 0 deletions
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19
sys/mips/include/sf_buf.h
View File

@ -48,4 +48,23 @@ sf_buf_page(struct sf_buf *sf)
}
#endif /* __mips_n64 */
#ifndef __mips_n64 /* in 32 bit mode we manage our own mappings */
static inline void
sf_buf_map(struct sf_buf *sf, int flags)
{
pmap_qenter(sf->kva, &sf->m, 1);
}
static inline int
sf_buf_unmap(struct sf_buf *sf)
{
pmap_qremove(sf->kva, 1);
return (1);
}
#endif /* ! __mips_n64 */
#endif /* !_MACHINE_SF_BUF_H_ */

1
sys/mips/include/vmparam.h
View File

@ -189,6 +189,7 @@
#ifndef __mips_n64
#define SFBUF
#define SFBUF_MAP
#endif
#endif /* !_MACHINE_VMPARAM_H_ */