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| author | Juergen Gross <jgross@suse.com> | 2014-11-03 14:01:59 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2014-11-16 11:04:26 +0100 |
| commit | e00c8cc93c1ac01ecd5049929a50fb47b62bb041 (patch) | |
| tree | a3833abca982fc685332340bb604dc925eb91c24 /arch/x86/mm/pat_internal.h | |
| parent | b14097bd911c2554b0b5271b3a6b2d84044d1843 (diff) | |
| download | op-kernel-dev-e00c8cc93c1ac01ecd5049929a50fb47b62bb041.zip op-kernel-dev-e00c8cc93c1ac01ecd5049929a50fb47b62bb041.tar.gz | |
x86: Use new cache mode type in memtype related functions
Instead of directly using the cache mode bits in the pte switch to
using the cache mode type.
Based-on-patch-by: Stefan Bader <stefan.bader@canonical.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stefan.bader@canonical.com
Cc: xen-devel@lists.xensource.com
Cc: konrad.wilk@oracle.com
Cc: ville.syrjala@linux.intel.com
Cc: david.vrabel@citrix.com
Cc: jbeulich@suse.com
Cc: toshi.kani@hp.com
Cc: plagnioj@jcrosoft.com
Cc: tomi.valkeinen@ti.com
Cc: bhelgaas@google.com
Link: http://lkml.kernel.org/r/1415019724-4317-14-git-send-email-jgross@suse.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/mm/pat_internal.h')
| -rw-r--r-- | arch/x86/mm/pat_internal.h | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/arch/x86/mm/pat_internal.h b/arch/x86/mm/pat_internal.h index 77e5ba1..f641162 100644 --- a/arch/x86/mm/pat_internal.h +++ b/arch/x86/mm/pat_internal.h @@ -10,30 +10,32 @@ struct memtype { u64 start; u64 end; u64 subtree_max_end; - unsigned long type; + enum page_cache_mode type; struct rb_node rb; }; -static inline char *cattr_name(unsigned long flags) +static inline char *cattr_name(enum page_cache_mode pcm) { - switch (flags & _PAGE_CACHE_MASK) { - case _PAGE_CACHE_UC: return "uncached"; - case _PAGE_CACHE_UC_MINUS: return "uncached-minus"; - case _PAGE_CACHE_WB: return "write-back"; - case _PAGE_CACHE_WC: return "write-combining"; - default: return "broken"; + switch (pcm) { + case _PAGE_CACHE_MODE_UC: return "uncached"; + case _PAGE_CACHE_MODE_UC_MINUS: return "uncached-minus"; + case _PAGE_CACHE_MODE_WB: return "write-back"; + case _PAGE_CACHE_MODE_WC: return "write-combining"; + case _PAGE_CACHE_MODE_WT: return "write-through"; + case _PAGE_CACHE_MODE_WP: return "write-protected"; + default: return "broken"; } } #ifdef CONFIG_X86_PAT extern int rbt_memtype_check_insert(struct memtype *new, - unsigned long *new_type); + enum page_cache_mode *new_type); extern struct memtype *rbt_memtype_erase(u64 start, u64 end); extern struct memtype *rbt_memtype_lookup(u64 addr); extern int rbt_memtype_copy_nth_element(struct memtype *out, loff_t pos); #else static inline int rbt_memtype_check_insert(struct memtype *new, - unsigned long *new_type) + enum page_cache_mode *new_type) { return 0; } static inline struct memtype *rbt_memtype_erase(u64 start, u64 end) { return NULL; } |
