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| author | Andreas Herrmann <andreas.herrmann3@amd.com> | 2008-06-10 16:06:21 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-06-12 10:14:27 +0200 |
| commit | 499f8f84b8324ba27d756e03f373fa16eeed9ccc (patch) | |
| tree | 1a3ca5d9c9ff040978d7aa76183242aa97b2d878 /arch/x86/mm/pat.c | |
| parent | cd7a4e936d345ab4cb49d68192d90bd4e4c58458 (diff) | |
| download | op-kernel-dev-499f8f84b8324ba27d756e03f373fa16eeed9ccc.zip op-kernel-dev-499f8f84b8324ba27d756e03f373fa16eeed9ccc.tar.gz | |
x86: rename pat_wc_enabled to pat_enabled
BTW, what does pat_wc_enabled stand for? Does it mean
"write-combining"?
Currently it is used to globally switch on or off PAT support.
Thus I renamed it to pat_enabled.
I think this increases readability (and hope that I didn't miss
something).
Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/mm/pat.c')
| -rw-r--r-- | arch/x86/mm/pat.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c index a8b69bb..4beccea 100644 --- a/arch/x86/mm/pat.c +++ b/arch/x86/mm/pat.c @@ -26,11 +26,11 @@ #include <asm/io.h> #ifdef CONFIG_X86_PAT -int __read_mostly pat_wc_enabled = 1; +int __read_mostly pat_enabled = 1; void __cpuinit pat_disable(char *reason) { - pat_wc_enabled = 0; + pat_enabled = 0; printk(KERN_INFO "%s\n", reason); } @@ -72,7 +72,7 @@ void pat_init(void) { u64 pat; - if (!pat_wc_enabled) + if (!pat_enabled) return; /* Paranoia check. */ @@ -225,8 +225,8 @@ int reserve_memtype(u64 start, u64 end, unsigned long req_type, unsigned long actual_type; int err = 0; - /* Only track when pat_wc_enabled */ - if (!pat_wc_enabled) { + /* Only track when pat_enabled */ + if (!pat_enabled) { /* This is identical to page table setting without PAT */ if (ret_type) { if (req_type == -1) { @@ -440,8 +440,8 @@ int free_memtype(u64 start, u64 end) struct memtype *ml; int err = -EINVAL; - /* Only track when pat_wc_enabled */ - if (!pat_wc_enabled) { + /* Only track when pat_enabled */ + if (!pat_enabled) { return 0; } @@ -535,7 +535,7 @@ int phys_mem_access_prot_allowed(struct file *file, unsigned long pfn, * caching for the high addresses through the KEN pin, but * we maintain the tradition of paranoia in this code. */ - if (!pat_wc_enabled && + if (!pat_enabled && !(boot_cpu_has(X86_FEATURE_MTRR) || boot_cpu_has(X86_FEATURE_K6_MTRR) || boot_cpu_has(X86_FEATURE_CYRIX_ARR) || |
