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

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Pull x86 fixes from Ingo Molnar.

* 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/apic: Use x2apic physical mode based on FADT setting
  x86/mrst: Quiet sparse noise about plain integer as NULL pointer
  x86, intel_cacheinfo: Fix error return code in amd_set_l3_disable_slot()
This commit is contained in:
Linus Torvalds 2012-04-27 19:40:17 -07:00
commit c28c485169
3 changed files with 12 additions and 6 deletions
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6
arch/x86/kernel/apic/x2apic_phys.c
View File

@ -24,6 +24,12 @@ static int x2apic_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
{
if (x2apic_phys)
return x2apic_enabled();
else if ((acpi_gbl_FADT.header.revision >= FADT2_REVISION_ID) &&
(acpi_gbl_FADT.flags & ACPI_FADT_APIC_PHYSICAL) &&
x2apic_enabled()) {
printk(KERN_DEBUG "System requires x2apic physical mode\n");
return 1;
}
else
return 0;
}

8
arch/x86/kernel/cpu/intel_cacheinfo.c
View File

@ -433,14 +433,14 @@ int amd_set_l3_disable_slot(struct amd_northbridge *nb, int cpu, unsigned slot,
/* check if @slot is already used or the index is already disabled */
ret = amd_get_l3_disable_slot(nb, slot);
if (ret >= 0)
return -EINVAL;
return -EEXIST;
if (index > nb->l3_cache.indices)
return -EINVAL;
/* check whether the other slot has disabled the same index already */
if (index == amd_get_l3_disable_slot(nb, !slot))
return -EINVAL;
return -EEXIST;
amd_l3_disable_index(nb, cpu, slot, index);
@ -468,8 +468,8 @@ static ssize_t store_cache_disable(struct _cpuid4_info *this_leaf,
err = amd_set_l3_disable_slot(this_leaf->base.nb, cpu, slot, val);
if (err) {
if (err == -EEXIST)
printk(KERN_WARNING "L3 disable slot %d in use!\n",
slot);
pr_warning("L3 slot %d in use/index already disabled!\n",
slot);
return err;
}
return count;

4
arch/x86/platform/mrst/mrst.c
View File

@ -805,7 +805,7 @@ void intel_scu_devices_create(void)
} else
i2c_register_board_info(i2c_bus[i], i2c_devs[i], 1);
}
intel_scu_notifier_post(SCU_AVAILABLE, 0L);
intel_scu_notifier_post(SCU_AVAILABLE, NULL);
}
EXPORT_SYMBOL_GPL(intel_scu_devices_create);
@ -814,7 +814,7 @@ void intel_scu_devices_destroy(void)
{
int i;
intel_scu_notifier_post(SCU_DOWN, 0L);
intel_scu_notifier_post(SCU_DOWN, NULL);
for (i = 0; i < ipc_next_dev; i++)
platform_device_del(ipc_devs[i]);