提交 41e0e073 编写于 作者: L Linus Torvalds

Merge branch 'x86-fixes-for-linus' of...

Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  x86, AMD: Set ARAT feature on AMD processors
  x86, quirk: Fix SB600 revision check
  x86: stop_machine_text_poke() should issue sync_core()
  x86, amd-nb: Misc cleanliness fixes
......@@ -13,7 +13,7 @@ extern const struct pci_device_id amd_nb_misc_ids[];
extern const struct amd_nb_bus_dev_range amd_nb_bus_dev_ranges[];
struct bootnode;
extern int early_is_amd_nb(u32 value);
extern bool early_is_amd_nb(u32 value);
extern int amd_cache_northbridges(void);
extern void amd_flush_garts(void);
extern int amd_numa_init(void);
......@@ -32,18 +32,18 @@ struct amd_northbridge_info {
};
extern struct amd_northbridge_info amd_northbridges;
#define AMD_NB_GART 0x1
#define AMD_NB_L3_INDEX_DISABLE 0x2
#define AMD_NB_L3_PARTITIONING 0x4
#define AMD_NB_GART BIT(0)
#define AMD_NB_L3_INDEX_DISABLE BIT(1)
#define AMD_NB_L3_PARTITIONING BIT(2)
#ifdef CONFIG_AMD_NB
static inline int amd_nb_num(void)
static inline u16 amd_nb_num(void)
{
return amd_northbridges.num;
}
static inline int amd_nb_has_feature(int feature)
static inline bool amd_nb_has_feature(unsigned feature)
{
return ((amd_northbridges.flags & feature) == feature);
}
......
......@@ -620,7 +620,12 @@ static int __kprobes stop_machine_text_poke(void *data)
flush_icache_range((unsigned long)p->addr,
(unsigned long)p->addr + p->len);
}
/*
* Intel Archiecture Software Developer's Manual section 7.1.3 specifies
* that a core serializing instruction such as "cpuid" should be
* executed on _each_ core before the new instruction is made visible.
*/
sync_core();
return 0;
}
......
......@@ -48,7 +48,7 @@ static struct pci_dev *next_northbridge(struct pci_dev *dev,
int amd_cache_northbridges(void)
{
int i = 0;
u16 i = 0;
struct amd_northbridge *nb;
struct pci_dev *misc, *link;
......@@ -103,9 +103,11 @@ int amd_cache_northbridges(void)
}
EXPORT_SYMBOL_GPL(amd_cache_northbridges);
/* Ignores subdevice/subvendor but as far as I can figure out
they're useless anyways */
int __init early_is_amd_nb(u32 device)
/*
* Ignores subdevice/subvendor but as far as I can figure out
* they're useless anyways
*/
bool __init early_is_amd_nb(u32 device)
{
const struct pci_device_id *id;
u32 vendor = device & 0xffff;
......@@ -113,8 +115,8 @@ int __init early_is_amd_nb(u32 device)
device >>= 16;
for (id = amd_nb_misc_ids; id->vendor; id++)
if (vendor == id->vendor && device == id->device)
return 1;
return 0;
return true;
return false;
}
int amd_get_subcaches(int cpu)
......@@ -176,9 +178,9 @@ int amd_set_subcaches(int cpu, int mask)
return 0;
}
int amd_cache_gart(void)
static int amd_cache_gart(void)
{
int i;
u16 i;
if (!amd_nb_has_feature(AMD_NB_GART))
return 0;
......
......@@ -611,6 +611,10 @@ static void __cpuinit init_amd(struct cpuinfo_x86 *c)
}
}
#endif
/* As a rule processors have APIC timer running in deep C states */
if (c->x86 >= 0xf && !cpu_has_amd_erratum(amd_erratum_400))
set_cpu_cap(c, X86_FEATURE_ARAT);
}
#ifdef CONFIG_X86_32
......
......@@ -159,7 +159,12 @@ static void __init ati_bugs_contd(int num, int slot, int func)
if (rev >= 0x40)
acpi_fix_pin2_polarity = 1;
if (rev > 0x13)
/*
* SB600: revisions 0x11, 0x12, 0x13, 0x14, ...
* SB700: revisions 0x39, 0x3a, ...
* SB800: revisions 0x40, 0x41, ...
*/
if (rev >= 0x39)
return;
if (acpi_use_timer_override)
......
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