diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2009-08-27 17:05:47 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2009-08-27 17:06:24 +0200 |
| commit | 4152f93508b184a85a975810b2cc3dc5c597cf57 (patch) | |
| tree | 19dff39aa185f18ed662ab5802d1e873aea5ab44 /arch/x86/include/asm | |
| parent | 6effcd92454ca5d7021b74f89fcac75209e146f9 (diff) | |
| parent | fa84e9eecfff478df2d00e94deb3fc40fe4634ad (diff) | |
Merge branch 'sched/clock' into x86/cleanups
Reason: The tsc init cleanup depends on sched_clock_init moving past
late_time_init.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/include/asm')
| -rw-r--r-- | arch/x86/include/asm/pgtable.h | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index 3cc06e3fceb..16748077559 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -2,6 +2,7 @@ #define _ASM_X86_PGTABLE_H #include <asm/page.h> +#include <asm/e820.h> #include <asm/pgtable_types.h> @@ -269,10 +270,17 @@ static inline pgprot_t pgprot_modify(pgprot_t oldprot, pgprot_t newprot) #define canon_pgprot(p) __pgprot(massage_pgprot(p)) -static inline int is_new_memtype_allowed(unsigned long flags, - unsigned long new_flags) +static inline int is_new_memtype_allowed(u64 paddr, unsigned long size, + unsigned long flags, + unsigned long new_flags) { /* + * PAT type is always WB for ISA. So no need to check. + */ + if (is_ISA_range(paddr, paddr + size - 1)) + return 1; + + /* * Certain new memtypes are not allowed with certain * requested memtype: * - request is uncached, return cannot be write-back |