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| author | venkatesh.pallipadi@intel.com <venkatesh.pallipadi@intel.com> | 2008-12-18 11:41:31 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2008-12-18 13:30:16 -0800 |
| commit | 8a7b12f70fb135a1b1d865687de3edcdc780f6d1 (patch) | |
| tree | 149ceb1d8aba6a46e90513275cfdd090c847cc48 /arch/x86/include/asm/pgtable_32.h | |
| parent | 5899329b19100c0b82dc78e9b21ed8b920c9ffb3 (diff) | |
| download | linux-0-day-8a7b12f70fb135a1b1d865687de3edcdc780f6d1.tar.gz linux-0-day-8a7b12f70fb135a1b1d865687de3edcdc780f6d1.tar.xz | |
x86: PAT: change pgprot_noncached to uc_minus instead of strong uc - v3
Impact: mm behavior change.
Make pgprot_noncached uc_minus instead of strong UC. This will make
pgprot_noncached to be in line with ioremap_nocache() and all the other
APIs that map page uc_minus on uc request.
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/include/asm/pgtable_32.h')
| -rw-r--r-- | arch/x86/include/asm/pgtable_32.h | 9 |
1 files changed, 0 insertions, 9 deletions
diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h index f9d5889b336be..72b020deb46b9 100644 --- a/arch/x86/include/asm/pgtable_32.h +++ b/arch/x86/include/asm/pgtable_32.h @@ -101,15 +101,6 @@ extern unsigned long pg0[]; #endif /* - * Macro to mark a page protection value as "uncacheable". - * On processors which do not support it, this is a no-op. - */ -#define pgprot_noncached(prot) \ - ((boot_cpu_data.x86 > 3) \ - ? (__pgprot(pgprot_val(prot) | _PAGE_PCD | _PAGE_PWT)) \ - : (prot)) - -/* * Conversion functions: convert a page and protection to a page entry, * and a page entry and page directory to the page they refer to. */ |