diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-02-28 13:39:16 -0500 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-02-28 13:39:16 -0500 |
commit | 0091945b4732469bb39bbb4556ce08a25d89d1c2 (patch) | |
tree | bb6c4fc80995d35f1b4b7088a0f9e92d8f679c4f /arch/x86/kernel/cpu/mtrr | |
parent | 46bbffad54bd48bb809f2691c1970a79a588976b (diff) | |
parent | 40d6753e78a602bdf62e7741c0caa36474882f00 (diff) |
Merge branch 'x86-mtrr-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'x86-mtrr-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86: Convert set_atomicity_lock to raw_spinlock
x86, mtrr: Kill over the top warn
x86, mtrr: Constify struct mtrr_ops
Diffstat (limited to 'arch/x86/kernel/cpu/mtrr')
-rw-r--r-- | arch/x86/kernel/cpu/mtrr/amd.c | 2 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/mtrr/centaur.c | 2 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/mtrr/cyrix.c | 2 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/mtrr/generic.c | 10 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/mtrr/main.c | 6 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/mtrr/mtrr.h | 6 |
6 files changed, 14 insertions, 14 deletions
diff --git a/arch/x86/kernel/cpu/mtrr/amd.c b/arch/x86/kernel/cpu/mtrr/amd.c index 33af14110dfd..92ba9cd31c9a 100644 --- a/arch/x86/kernel/cpu/mtrr/amd.c +++ b/arch/x86/kernel/cpu/mtrr/amd.c | |||
@@ -108,7 +108,7 @@ amd_validate_add_page(unsigned long base, unsigned long size, unsigned int type) | |||
108 | return 0; | 108 | return 0; |
109 | } | 109 | } |
110 | 110 | ||
111 | static struct mtrr_ops amd_mtrr_ops = { | 111 | static const struct mtrr_ops amd_mtrr_ops = { |
112 | .vendor = X86_VENDOR_AMD, | 112 | .vendor = X86_VENDOR_AMD, |
113 | .set = amd_set_mtrr, | 113 | .set = amd_set_mtrr, |
114 | .get = amd_get_mtrr, | 114 | .get = amd_get_mtrr, |
diff --git a/arch/x86/kernel/cpu/mtrr/centaur.c b/arch/x86/kernel/cpu/mtrr/centaur.c index de89f14eff3a..316fe3e60a97 100644 --- a/arch/x86/kernel/cpu/mtrr/centaur.c +++ b/arch/x86/kernel/cpu/mtrr/centaur.c | |||
@@ -110,7 +110,7 @@ centaur_validate_add_page(unsigned long base, unsigned long size, unsigned int t | |||
110 | return 0; | 110 | return 0; |
111 | } | 111 | } |
112 | 112 | ||
113 | static struct mtrr_ops centaur_mtrr_ops = { | 113 | static const struct mtrr_ops centaur_mtrr_ops = { |
114 | .vendor = X86_VENDOR_CENTAUR, | 114 | .vendor = X86_VENDOR_CENTAUR, |
115 | .set = centaur_set_mcr, | 115 | .set = centaur_set_mcr, |
116 | .get = centaur_get_mcr, | 116 | .get = centaur_get_mcr, |
diff --git a/arch/x86/kernel/cpu/mtrr/cyrix.c b/arch/x86/kernel/cpu/mtrr/cyrix.c index 228d982ce09c..68a3343e5798 100644 --- a/arch/x86/kernel/cpu/mtrr/cyrix.c +++ b/arch/x86/kernel/cpu/mtrr/cyrix.c | |||
@@ -265,7 +265,7 @@ static void cyrix_set_all(void) | |||
265 | post_set(); | 265 | post_set(); |
266 | } | 266 | } |
267 | 267 | ||
268 | static struct mtrr_ops cyrix_mtrr_ops = { | 268 | static const struct mtrr_ops cyrix_mtrr_ops = { |
269 | .vendor = X86_VENDOR_CYRIX, | 269 | .vendor = X86_VENDOR_CYRIX, |
270 | .set_all = cyrix_set_all, | 270 | .set_all = cyrix_set_all, |
271 | .set = cyrix_set_arr, | 271 | .set = cyrix_set_arr, |
diff --git a/arch/x86/kernel/cpu/mtrr/generic.c b/arch/x86/kernel/cpu/mtrr/generic.c index 55da0c5f68dd..9aa5dc76ff4a 100644 --- a/arch/x86/kernel/cpu/mtrr/generic.c +++ b/arch/x86/kernel/cpu/mtrr/generic.c | |||
@@ -464,7 +464,7 @@ static void generic_get_mtrr(unsigned int reg, unsigned long *base, | |||
464 | tmp |= ~((1<<(hi - 1)) - 1); | 464 | tmp |= ~((1<<(hi - 1)) - 1); |
465 | 465 | ||
466 | if (tmp != mask_lo) { | 466 | if (tmp != mask_lo) { |
467 | WARN_ONCE(1, KERN_INFO "mtrr: your BIOS has set up an incorrect mask, fixing it up.\n"); | 467 | printk(KERN_WARNING "mtrr: your BIOS has configured an incorrect mask, fixing it.\n"); |
468 | mask_lo = tmp; | 468 | mask_lo = tmp; |
469 | } | 469 | } |
470 | } | 470 | } |
@@ -570,7 +570,7 @@ static unsigned long set_mtrr_state(void) | |||
570 | 570 | ||
571 | 571 | ||
572 | static unsigned long cr4; | 572 | static unsigned long cr4; |
573 | static DEFINE_SPINLOCK(set_atomicity_lock); | 573 | static DEFINE_RAW_SPINLOCK(set_atomicity_lock); |
574 | 574 | ||
575 | /* | 575 | /* |
576 | * Since we are disabling the cache don't allow any interrupts, | 576 | * Since we are disabling the cache don't allow any interrupts, |
@@ -590,7 +590,7 @@ static void prepare_set(void) __acquires(set_atomicity_lock) | |||
590 | * changes to the way the kernel boots | 590 | * changes to the way the kernel boots |
591 | */ | 591 | */ |
592 | 592 | ||
593 | spin_lock(&set_atomicity_lock); | 593 | raw_spin_lock(&set_atomicity_lock); |
594 | 594 | ||
595 | /* Enter the no-fill (CD=1, NW=0) cache mode and flush caches. */ | 595 | /* Enter the no-fill (CD=1, NW=0) cache mode and flush caches. */ |
596 | cr0 = read_cr0() | X86_CR0_CD; | 596 | cr0 = read_cr0() | X86_CR0_CD; |
@@ -627,7 +627,7 @@ static void post_set(void) __releases(set_atomicity_lock) | |||
627 | /* Restore value of CR4 */ | 627 | /* Restore value of CR4 */ |
628 | if (cpu_has_pge) | 628 | if (cpu_has_pge) |
629 | write_cr4(cr4); | 629 | write_cr4(cr4); |
630 | spin_unlock(&set_atomicity_lock); | 630 | raw_spin_unlock(&set_atomicity_lock); |
631 | } | 631 | } |
632 | 632 | ||
633 | static void generic_set_all(void) | 633 | static void generic_set_all(void) |
@@ -752,7 +752,7 @@ int positive_have_wrcomb(void) | |||
752 | /* | 752 | /* |
753 | * Generic structure... | 753 | * Generic structure... |
754 | */ | 754 | */ |
755 | struct mtrr_ops generic_mtrr_ops = { | 755 | const struct mtrr_ops generic_mtrr_ops = { |
756 | .use_intel_if = 1, | 756 | .use_intel_if = 1, |
757 | .set_all = generic_set_all, | 757 | .set_all = generic_set_all, |
758 | .get = generic_get_mtrr, | 758 | .get = generic_get_mtrr, |
diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c index 84e83de54575..fe4622e8c837 100644 --- a/arch/x86/kernel/cpu/mtrr/main.c +++ b/arch/x86/kernel/cpu/mtrr/main.c | |||
@@ -60,14 +60,14 @@ static DEFINE_MUTEX(mtrr_mutex); | |||
60 | u64 size_or_mask, size_and_mask; | 60 | u64 size_or_mask, size_and_mask; |
61 | static bool mtrr_aps_delayed_init; | 61 | static bool mtrr_aps_delayed_init; |
62 | 62 | ||
63 | static struct mtrr_ops *mtrr_ops[X86_VENDOR_NUM]; | 63 | static const struct mtrr_ops *mtrr_ops[X86_VENDOR_NUM]; |
64 | 64 | ||
65 | struct mtrr_ops *mtrr_if; | 65 | const struct mtrr_ops *mtrr_if; |
66 | 66 | ||
67 | static void set_mtrr(unsigned int reg, unsigned long base, | 67 | static void set_mtrr(unsigned int reg, unsigned long base, |
68 | unsigned long size, mtrr_type type); | 68 | unsigned long size, mtrr_type type); |
69 | 69 | ||
70 | void set_mtrr_ops(struct mtrr_ops *ops) | 70 | void set_mtrr_ops(const struct mtrr_ops *ops) |
71 | { | 71 | { |
72 | if (ops->vendor && ops->vendor < X86_VENDOR_NUM) | 72 | if (ops->vendor && ops->vendor < X86_VENDOR_NUM) |
73 | mtrr_ops[ops->vendor] = ops; | 73 | mtrr_ops[ops->vendor] = ops; |
diff --git a/arch/x86/kernel/cpu/mtrr/mtrr.h b/arch/x86/kernel/cpu/mtrr/mtrr.h index a501dee9a87a..df5e41f31a27 100644 --- a/arch/x86/kernel/cpu/mtrr/mtrr.h +++ b/arch/x86/kernel/cpu/mtrr/mtrr.h | |||
@@ -32,7 +32,7 @@ extern int generic_get_free_region(unsigned long base, unsigned long size, | |||
32 | extern int generic_validate_add_page(unsigned long base, unsigned long size, | 32 | extern int generic_validate_add_page(unsigned long base, unsigned long size, |
33 | unsigned int type); | 33 | unsigned int type); |
34 | 34 | ||
35 | extern struct mtrr_ops generic_mtrr_ops; | 35 | extern const struct mtrr_ops generic_mtrr_ops; |
36 | 36 | ||
37 | extern int positive_have_wrcomb(void); | 37 | extern int positive_have_wrcomb(void); |
38 | 38 | ||
@@ -53,10 +53,10 @@ void fill_mtrr_var_range(unsigned int index, | |||
53 | u32 base_lo, u32 base_hi, u32 mask_lo, u32 mask_hi); | 53 | u32 base_lo, u32 base_hi, u32 mask_lo, u32 mask_hi); |
54 | void get_mtrr_state(void); | 54 | void get_mtrr_state(void); |
55 | 55 | ||
56 | extern void set_mtrr_ops(struct mtrr_ops *ops); | 56 | extern void set_mtrr_ops(const struct mtrr_ops *ops); |
57 | 57 | ||
58 | extern u64 size_or_mask, size_and_mask; | 58 | extern u64 size_or_mask, size_and_mask; |
59 | extern struct mtrr_ops *mtrr_if; | 59 | extern const struct mtrr_ops *mtrr_if; |
60 | 60 | ||
61 | #define is_cpu(vnd) (mtrr_if && mtrr_if->vendor == X86_VENDOR_##vnd) | 61 | #define is_cpu(vnd) (mtrr_if && mtrr_if->vendor == X86_VENDOR_##vnd) |
62 | #define use_intel() (mtrr_if && mtrr_if->use_intel_if == 1) | 62 | #define use_intel() (mtrr_if && mtrr_if->use_intel_if == 1) |