diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/kernel/cpu/mtrr/mtrr.c | 28 |
1 files changed, 8 insertions, 20 deletions
diff --git a/arch/x86/kernel/cpu/mtrr/mtrr.c b/arch/x86/kernel/cpu/mtrr/mtrr.c index 85113af35393..007ecca62676 100644 --- a/arch/x86/kernel/cpu/mtrr/mtrr.c +++ b/arch/x86/kernel/cpu/mtrr/mtrr.c @@ -173,20 +173,8 @@ static inline int types_compatible(mtrr_type type1, mtrr_type type2) * Note that the mechanism is the same for UP systems, too; all the SMP stuff * becomes nops. */ -static void -set_mtrr(unsigned int reg, unsigned long base, unsigned long size, mtrr_type type) -{ - struct set_mtrr_data data = { .smp_reg = reg, - .smp_base = base, - .smp_size = size, - .smp_type = type - }; - - stop_machine(mtrr_rendezvous_handler, &data, cpu_online_mask); -} - -static void set_mtrr_cpuslocked(unsigned int reg, unsigned long base, - unsigned long size, mtrr_type type) +static void set_mtrr(unsigned int reg, unsigned long base, unsigned long size, + mtrr_type type) { struct set_mtrr_data data = { .smp_reg = reg, .smp_base = base, @@ -316,7 +304,7 @@ int mtrr_add_page(unsigned long base, unsigned long size, /* Search for an empty MTRR */ i = mtrr_if->get_free_region(base, size, replace); if (i >= 0) { - set_mtrr_cpuslocked(i, base, size, type); + set_mtrr(i, base, size, type); if (likely(replace < 0)) { mtrr_usage_table[i] = 1; } else { @@ -324,7 +312,7 @@ int mtrr_add_page(unsigned long base, unsigned long size, if (increment) mtrr_usage_table[i]++; if (unlikely(replace != i)) { - set_mtrr_cpuslocked(replace, 0, 0, 0); + set_mtrr(replace, 0, 0, 0); mtrr_usage_table[replace] = 0; } } @@ -452,7 +440,7 @@ int mtrr_del_page(int reg, unsigned long base, unsigned long size) goto out; } if (--mtrr_usage_table[reg] < 1) - set_mtrr_cpuslocked(reg, 0, 0, 0); + set_mtrr(reg, 0, 0, 0); error = reg; out: mutex_unlock(&mtrr_mutex); @@ -582,9 +570,9 @@ static void mtrr_restore(void) for (i = 0; i < num_var_ranges; i++) { if (mtrr_value[i].lsize) { - set_mtrr(i, mtrr_value[i].lbase, - mtrr_value[i].lsize, - mtrr_value[i].ltype); + mtrr_if->set(i, mtrr_value[i].lbase, + mtrr_value[i].lsize, + mtrr_value[i].ltype); } } } |