tree 4c664d8a15dc9dc935cc6e181e727cfdc5d60302
parent 1cff94c6fecdc54d6f022ae5a22888f8272804a1
author David S. Miller <[EMAIL PROTECTED]> Fri, 22 Apr 2005 11:41:33 -0700
committer David S. Miller <[EMAIL PROTECTED]> Fri, 22 Apr 2005 11:41:33 -0700
[SPARC64]: Provide a pgprot_noncached() implementation.
Signed-off-by: David S. Miller <[EMAIL PROTECTED]>
asm-sparc64/pgtable.h | 5 +++++
1 files changed, 5 insertions(+)
Index: include/asm-sparc64/pgtable.h
===================================================================
--- 42fbf4cd2a674d83e2363bab0729ca13b0aeae0a/include/asm-sparc64/pgtable.h
(mode:100644 sha1:af9bf175a223cf44310293287d50302e0fd3f9e9)
+++ 4c664d8a15dc9dc935cc6e181e727cfdc5d60302/include/asm-sparc64/pgtable.h
(mode:100644 sha1:ae2cd5b09a7cc523e96640d805eb97e299da8907)
@@ -416,6 +416,11 @@ extern int io_remap_pfn_range(struct vm_
unsigned long pfn,
unsigned long size, pgprot_t prot);
+/* Clear virtual and physical cachability, set side-effect bit. */
+#define pgprot_noncached(prot) \
+ (__pgprot((pgprot_val(prot) & ~(_PAGE_CP | _PAGE_CV)) | \
+ _PAGE_E))
+
/*
* For sparc32&64, the pfn in io_remap_pfn_range() carries <iospace> in
* its high 4 bits. These macros/functions put it there or get it from there.
-
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