diff options
author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-31 16:21:44 -0800 |
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committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-31 16:21:44 -0800 |
commit | b8c475be7bf9b79e6417c08d7a921b2e8cb04258 (patch) | |
tree | 86a669a52c077b4568e52c9012cf279862d457e9 /arch/i386/kernel/cpu/mtrr | |
parent | 10379a25fee8ddc8698d2f6c54ccedd4664c2941 (diff) | |
parent | 6fe8f479d02e47c80f816b2b9f5d3996ebfe6af6 (diff) |
Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/x86
Diffstat (limited to 'arch/i386/kernel/cpu/mtrr')
-rw-r--r-- | arch/i386/kernel/cpu/mtrr/main.c | 15 |
1 files changed, 6 insertions, 9 deletions
diff --git a/arch/i386/kernel/cpu/mtrr/main.c b/arch/i386/kernel/cpu/mtrr/main.c index 1e9db198c44..3b4618bed70 100644 --- a/arch/i386/kernel/cpu/mtrr/main.c +++ b/arch/i386/kernel/cpu/mtrr/main.c @@ -44,12 +44,10 @@ #include <asm/msr.h> #include "mtrr.h" -#define MTRR_VERSION "2.0 (20020519)" - u32 num_var_ranges = 0; unsigned int *usage_table; -static DECLARE_MUTEX(main_lock); +static DECLARE_MUTEX(mtrr_sem); u32 size_or_mask, size_and_mask; @@ -335,7 +333,7 @@ int mtrr_add_page(unsigned long base, unsigned long size, /* No CPU hotplug when we change MTRR entries */ lock_cpu_hotplug(); /* Search for existing MTRR */ - down(&main_lock); + down(&mtrr_sem); for (i = 0; i < num_var_ranges; ++i) { mtrr_if->get(i, &lbase, &lsize, <ype); if (base >= lbase + lsize) @@ -373,7 +371,7 @@ int mtrr_add_page(unsigned long base, unsigned long size, printk(KERN_INFO "mtrr: no more MTRRs available\n"); error = i; out: - up(&main_lock); + up(&mtrr_sem); unlock_cpu_hotplug(); return error; } @@ -466,7 +464,7 @@ int mtrr_del_page(int reg, unsigned long base, unsigned long size) max = num_var_ranges; /* No CPU hotplug when we change MTRR entries */ lock_cpu_hotplug(); - down(&main_lock); + down(&mtrr_sem); if (reg < 0) { /* Search for existing MTRR */ for (i = 0; i < max; ++i) { @@ -505,7 +503,7 @@ int mtrr_del_page(int reg, unsigned long base, unsigned long size) set_mtrr(reg, 0, 0, 0); error = reg; out: - up(&main_lock); + up(&mtrr_sem); unlock_cpu_hotplug(); return error; } @@ -671,7 +669,6 @@ void __init mtrr_bp_init(void) break; } } - printk(KERN_INFO "mtrr: v%s\n",MTRR_VERSION); if (mtrr_if) { set_num_var_ranges(); @@ -688,7 +685,7 @@ void mtrr_ap_init(void) if (!mtrr_if || !use_intel()) return; /* - * Ideally we should hold main_lock here to avoid mtrr entries changed, + * Ideally we should hold mtrr_sem here to avoid mtrr entries changed, * but this routine will be called in cpu boot time, holding the lock * breaks it. This routine is called in two cases: 1.very earily time * of software resume, when there absolutely isn't mtrr entry changes; |