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gerrit-public.fairphone.software / kernel / msm-4.19 / 1965aae3c98397aad957412413c07e97b1bd4e64 / . / arch / x86 / include / asm / pat.h
blob: b8493b3b98901c811add567762a22b73aaa85c9a [file] [log] [blame]
H. Peter Anvin1965aae2008-10-22 22:26:29 -0700[diff] [blame^]1#ifndef _ASM_X86_PAT_H
2#define _ASM_X86_PAT_H
venkatesh.pallipadi@intel.com2e5d9c82008-03-18 17:00:14 -0700[diff] [blame]3
4#include <linux/types.h>
5
Thomas Gleixner8d4a4302008-05-08 09:18:43 +0200[diff] [blame]6#ifdef CONFIG_X86_PAT
Andreas Herrmann499f8f82008-06-10 16:06:21 +0200[diff] [blame]7extern int pat_enabled;
Thomas Gleixner8d4a4302008-05-08 09:18:43 +0200[diff] [blame]8extern void validate_pat_support(struct cpuinfo_x86 *c);
9#else
Andreas Herrmann499f8f82008-06-10 16:06:21 +0200[diff] [blame]10static const int pat_enabled;
Thomas Gleixner8d4a4302008-05-08 09:18:43 +0200[diff] [blame]11static inline void validate_pat_support(struct cpuinfo_x86 *c) { }
12#endif
venkatesh.pallipadi@intel.com2e5d9c82008-03-18 17:00:14 -0700[diff] [blame]13
14extern void pat_init(void);
15
16extern int reserve_memtype(u64 start, u64 end,
17 unsigned long req_type, unsigned long *ret_type);
18extern int free_memtype(u64 start, u64 end);
19
Thomas Gleixner8d4a4302008-05-08 09:18:43 +0200[diff] [blame]20extern void pat_disable(char *reason);
21
H. Peter Anvin1965aae2008-10-22 22:26:29 -0700[diff] [blame^]22#endif /* _ASM_X86_PAT_H */