diff options
author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-31 19:21:44 -0500 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-31 19:21:44 -0500 |
commit | b8c475be7bf9b79e6417c08d7a921b2e8cb04258 (patch) | |
tree | 86a669a52c077b4568e52c9012cf279862d457e9 /arch/i386 | |
parent | 10379a25fee8ddc8698d2f6c54ccedd4664c2941 (diff) | |
parent | 6fe8f479d02e47c80f816b2b9f5d3996ebfe6af6 (diff) |
Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/x86
Diffstat (limited to 'arch/i386')
-rw-r--r-- | arch/i386/kernel/cpu/centaur.c | 4 | ||||
-rw-r--r-- | arch/i386/kernel/cpu/intel_cacheinfo.c | 11 | ||||
-rw-r--r-- | arch/i386/kernel/cpu/mtrr/main.c | 15 |
3 files changed, 17 insertions, 13 deletions
diff --git a/arch/i386/kernel/cpu/centaur.c b/arch/i386/kernel/cpu/centaur.c index 394814e57672..0dd92a23d622 100644 --- a/arch/i386/kernel/cpu/centaur.c +++ b/arch/i386/kernel/cpu/centaur.c | |||
@@ -405,10 +405,6 @@ static void __init init_centaur(struct cpuinfo_x86 *c) | |||
405 | winchip2_protect_mcr(); | 405 | winchip2_protect_mcr(); |
406 | #endif | 406 | #endif |
407 | break; | 407 | break; |
408 | case 10: | ||
409 | name="4"; | ||
410 | /* no info on the WC4 yet */ | ||
411 | break; | ||
412 | default: | 408 | default: |
413 | name="??"; | 409 | name="??"; |
414 | } | 410 | } |
diff --git a/arch/i386/kernel/cpu/intel_cacheinfo.c b/arch/i386/kernel/cpu/intel_cacheinfo.c index fbfd374aa336..af591c73345f 100644 --- a/arch/i386/kernel/cpu/intel_cacheinfo.c +++ b/arch/i386/kernel/cpu/intel_cacheinfo.c | |||
@@ -43,13 +43,23 @@ static struct _cache_table cache_table[] __cpuinitdata = | |||
43 | { 0x2c, LVL_1_DATA, 32 }, /* 8-way set assoc, 64 byte line size */ | 43 | { 0x2c, LVL_1_DATA, 32 }, /* 8-way set assoc, 64 byte line size */ |
44 | { 0x30, LVL_1_INST, 32 }, /* 8-way set assoc, 64 byte line size */ | 44 | { 0x30, LVL_1_INST, 32 }, /* 8-way set assoc, 64 byte line size */ |
45 | { 0x39, LVL_2, 128 }, /* 4-way set assoc, sectored cache, 64 byte line size */ | 45 | { 0x39, LVL_2, 128 }, /* 4-way set assoc, sectored cache, 64 byte line size */ |
46 | { 0x3a, LVL_2, 192 }, /* 6-way set assoc, sectored cache, 64 byte line size */ | ||
46 | { 0x3b, LVL_2, 128 }, /* 2-way set assoc, sectored cache, 64 byte line size */ | 47 | { 0x3b, LVL_2, 128 }, /* 2-way set assoc, sectored cache, 64 byte line size */ |
47 | { 0x3c, LVL_2, 256 }, /* 4-way set assoc, sectored cache, 64 byte line size */ | 48 | { 0x3c, LVL_2, 256 }, /* 4-way set assoc, sectored cache, 64 byte line size */ |
49 | { 0x3d, LVL_2, 384 }, /* 6-way set assoc, sectored cache, 64 byte line size */ | ||
50 | { 0x3e, LVL_2, 512 }, /* 4-way set assoc, sectored cache, 64 byte line size */ | ||
48 | { 0x41, LVL_2, 128 }, /* 4-way set assoc, 32 byte line size */ | 51 | { 0x41, LVL_2, 128 }, /* 4-way set assoc, 32 byte line size */ |
49 | { 0x42, LVL_2, 256 }, /* 4-way set assoc, 32 byte line size */ | 52 | { 0x42, LVL_2, 256 }, /* 4-way set assoc, 32 byte line size */ |
50 | { 0x43, LVL_2, 512 }, /* 4-way set assoc, 32 byte line size */ | 53 | { 0x43, LVL_2, 512 }, /* 4-way set assoc, 32 byte line size */ |
51 | { 0x44, LVL_2, 1024 }, /* 4-way set assoc, 32 byte line size */ | 54 | { 0x44, LVL_2, 1024 }, /* 4-way set assoc, 32 byte line size */ |
52 | { 0x45, LVL_2, 2048 }, /* 4-way set assoc, 32 byte line size */ | 55 | { 0x45, LVL_2, 2048 }, /* 4-way set assoc, 32 byte line size */ |
56 | { 0x46, LVL_3, 4096 }, /* 4-way set assoc, 64 byte line size */ | ||
57 | { 0x47, LVL_3, 8192 }, /* 8-way set assoc, 64 byte line size */ | ||
58 | { 0x49, LVL_3, 4096 }, /* 16-way set assoc, 64 byte line size */ | ||
59 | { 0x4a, LVL_3, 6144 }, /* 12-way set assoc, 64 byte line size */ | ||
60 | { 0x4b, LVL_3, 8192 }, /* 16-way set assoc, 64 byte line size */ | ||
61 | { 0x4c, LVL_3, 12288 }, /* 12-way set assoc, 64 byte line size */ | ||
62 | { 0x4d, LVL_3, 16384 }, /* 16-way set assoc, 64 byte line size */ | ||
53 | { 0x60, LVL_1_DATA, 16 }, /* 8-way set assoc, sectored cache, 64 byte line size */ | 63 | { 0x60, LVL_1_DATA, 16 }, /* 8-way set assoc, sectored cache, 64 byte line size */ |
54 | { 0x66, LVL_1_DATA, 8 }, /* 4-way set assoc, sectored cache, 64 byte line size */ | 64 | { 0x66, LVL_1_DATA, 8 }, /* 4-way set assoc, sectored cache, 64 byte line size */ |
55 | { 0x67, LVL_1_DATA, 16 }, /* 4-way set assoc, sectored cache, 64 byte line size */ | 65 | { 0x67, LVL_1_DATA, 16 }, /* 4-way set assoc, sectored cache, 64 byte line size */ |
@@ -57,6 +67,7 @@ static struct _cache_table cache_table[] __cpuinitdata = | |||
57 | { 0x70, LVL_TRACE, 12 }, /* 8-way set assoc */ | 67 | { 0x70, LVL_TRACE, 12 }, /* 8-way set assoc */ |
58 | { 0x71, LVL_TRACE, 16 }, /* 8-way set assoc */ | 68 | { 0x71, LVL_TRACE, 16 }, /* 8-way set assoc */ |
59 | { 0x72, LVL_TRACE, 32 }, /* 8-way set assoc */ | 69 | { 0x72, LVL_TRACE, 32 }, /* 8-way set assoc */ |
70 | { 0x73, LVL_TRACE, 64 }, /* 8-way set assoc */ | ||
60 | { 0x78, LVL_2, 1024 }, /* 4-way set assoc, 64 byte line size */ | 71 | { 0x78, LVL_2, 1024 }, /* 4-way set assoc, 64 byte line size */ |
61 | { 0x79, LVL_2, 128 }, /* 8-way set assoc, sectored cache, 64 byte line size */ | 72 | { 0x79, LVL_2, 128 }, /* 8-way set assoc, sectored cache, 64 byte line size */ |
62 | { 0x7a, LVL_2, 256 }, /* 8-way set assoc, sectored cache, 64 byte line size */ | 73 | { 0x7a, LVL_2, 256 }, /* 8-way set assoc, sectored cache, 64 byte line size */ |
diff --git a/arch/i386/kernel/cpu/mtrr/main.c b/arch/i386/kernel/cpu/mtrr/main.c index 1e9db198c440..3b4618bed70d 100644 --- a/arch/i386/kernel/cpu/mtrr/main.c +++ b/arch/i386/kernel/cpu/mtrr/main.c | |||
@@ -44,12 +44,10 @@ | |||
44 | #include <asm/msr.h> | 44 | #include <asm/msr.h> |
45 | #include "mtrr.h" | 45 | #include "mtrr.h" |
46 | 46 | ||
47 | #define MTRR_VERSION "2.0 (20020519)" | ||
48 | |||
49 | u32 num_var_ranges = 0; | 47 | u32 num_var_ranges = 0; |
50 | 48 | ||
51 | unsigned int *usage_table; | 49 | unsigned int *usage_table; |
52 | static DECLARE_MUTEX(main_lock); | 50 | static DECLARE_MUTEX(mtrr_sem); |
53 | 51 | ||
54 | u32 size_or_mask, size_and_mask; | 52 | u32 size_or_mask, size_and_mask; |
55 | 53 | ||
@@ -335,7 +333,7 @@ int mtrr_add_page(unsigned long base, unsigned long size, | |||
335 | /* No CPU hotplug when we change MTRR entries */ | 333 | /* No CPU hotplug when we change MTRR entries */ |
336 | lock_cpu_hotplug(); | 334 | lock_cpu_hotplug(); |
337 | /* Search for existing MTRR */ | 335 | /* Search for existing MTRR */ |
338 | down(&main_lock); | 336 | down(&mtrr_sem); |
339 | for (i = 0; i < num_var_ranges; ++i) { | 337 | for (i = 0; i < num_var_ranges; ++i) { |
340 | mtrr_if->get(i, &lbase, &lsize, <ype); | 338 | mtrr_if->get(i, &lbase, &lsize, <ype); |
341 | if (base >= lbase + lsize) | 339 | if (base >= lbase + lsize) |
@@ -373,7 +371,7 @@ int mtrr_add_page(unsigned long base, unsigned long size, | |||
373 | printk(KERN_INFO "mtrr: no more MTRRs available\n"); | 371 | printk(KERN_INFO "mtrr: no more MTRRs available\n"); |
374 | error = i; | 372 | error = i; |
375 | out: | 373 | out: |
376 | up(&main_lock); | 374 | up(&mtrr_sem); |
377 | unlock_cpu_hotplug(); | 375 | unlock_cpu_hotplug(); |
378 | return error; | 376 | return error; |
379 | } | 377 | } |
@@ -466,7 +464,7 @@ int mtrr_del_page(int reg, unsigned long base, unsigned long size) | |||
466 | max = num_var_ranges; | 464 | max = num_var_ranges; |
467 | /* No CPU hotplug when we change MTRR entries */ | 465 | /* No CPU hotplug when we change MTRR entries */ |
468 | lock_cpu_hotplug(); | 466 | lock_cpu_hotplug(); |
469 | down(&main_lock); | 467 | down(&mtrr_sem); |
470 | if (reg < 0) { | 468 | if (reg < 0) { |
471 | /* Search for existing MTRR */ | 469 | /* Search for existing MTRR */ |
472 | for (i = 0; i < max; ++i) { | 470 | for (i = 0; i < max; ++i) { |
@@ -505,7 +503,7 @@ int mtrr_del_page(int reg, unsigned long base, unsigned long size) | |||
505 | set_mtrr(reg, 0, 0, 0); | 503 | set_mtrr(reg, 0, 0, 0); |
506 | error = reg; | 504 | error = reg; |
507 | out: | 505 | out: |
508 | up(&main_lock); | 506 | up(&mtrr_sem); |
509 | unlock_cpu_hotplug(); | 507 | unlock_cpu_hotplug(); |
510 | return error; | 508 | return error; |
511 | } | 509 | } |
@@ -671,7 +669,6 @@ void __init mtrr_bp_init(void) | |||
671 | break; | 669 | break; |
672 | } | 670 | } |
673 | } | 671 | } |
674 | printk(KERN_INFO "mtrr: v%s\n",MTRR_VERSION); | ||
675 | 672 | ||
676 | if (mtrr_if) { | 673 | if (mtrr_if) { |
677 | set_num_var_ranges(); | 674 | set_num_var_ranges(); |
@@ -688,7 +685,7 @@ void mtrr_ap_init(void) | |||
688 | if (!mtrr_if || !use_intel()) | 685 | if (!mtrr_if || !use_intel()) |
689 | return; | 686 | return; |
690 | /* | 687 | /* |
691 | * Ideally we should hold main_lock here to avoid mtrr entries changed, | 688 | * Ideally we should hold mtrr_sem here to avoid mtrr entries changed, |
692 | * but this routine will be called in cpu boot time, holding the lock | 689 | * but this routine will be called in cpu boot time, holding the lock |
693 | * breaks it. This routine is called in two cases: 1.very earily time | 690 | * breaks it. This routine is called in two cases: 1.very earily time |
694 | * of software resume, when there absolutely isn't mtrr entry changes; | 691 | * of software resume, when there absolutely isn't mtrr entry changes; |