summaryrefslogtreecommitdiff
path: root/arch/x86/kernel
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r--arch/x86/kernel/process.c12
-rw-r--r--arch/x86/kernel/tboot.c5
2 files changed, 8 insertions, 9 deletions
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index ba4593a913fa..145a7ac0c19a 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -685,7 +685,7 @@ void arch_cpu_idle(void)
*/
void __cpuidle default_idle(void)
{
- safe_halt();
+ raw_safe_halt();
}
#if defined(CONFIG_APM_MODULE) || defined(CONFIG_HALTPOLL_CPUIDLE_MODULE)
EXPORT_SYMBOL(default_idle);
@@ -736,6 +736,8 @@ void stop_this_cpu(void *dummy)
/*
* AMD Erratum 400 aware idle routine. We handle it the same way as C3 power
* states (local apic timer and TSC stop).
+ *
+ * XXX this function is completely buggered vs RCU and tracing.
*/
static void amd_e400_idle(void)
{
@@ -757,9 +759,9 @@ static void amd_e400_idle(void)
* The switch back from broadcast mode needs to be called with
* interrupts disabled.
*/
- local_irq_disable();
+ raw_local_irq_disable();
tick_broadcast_exit();
- local_irq_enable();
+ raw_local_irq_enable();
}
/*
@@ -801,9 +803,9 @@ static __cpuidle void mwait_idle(void)
if (!need_resched())
__sti_mwait(0, 0);
else
- local_irq_enable();
+ raw_local_irq_enable();
} else {
- local_irq_enable();
+ raw_local_irq_enable();
}
__current_clr_polling();
}
diff --git a/arch/x86/kernel/tboot.c b/arch/x86/kernel/tboot.c
index 420be871d9d4..ae64f98ec2ab 100644
--- a/arch/x86/kernel/tboot.c
+++ b/arch/x86/kernel/tboot.c
@@ -514,13 +514,10 @@ int tboot_force_iommu(void)
if (!tboot_enabled())
return 0;
- if (no_iommu || swiotlb || dmar_disabled)
+ if (no_iommu || dmar_disabled)
pr_warn("Forcing Intel-IOMMU to enabled\n");
dmar_disabled = 0;
-#ifdef CONFIG_SWIOTLB
- swiotlb = 0;
-#endif
no_iommu = 0;
return 1;