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Diffstat (limited to 'arch/x86')
-rw-r--r--arch/x86/include/asm/apic.h3
-rw-r--r--arch/x86/kernel/smp.c1
-rw-r--r--arch/x86/platform/uv/tlb_uv.c1
3 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h
index 9362a3aae927..130e81e10fc7 100644
--- a/arch/x86/include/asm/apic.h
+++ b/arch/x86/include/asm/apic.h
@@ -10,6 +10,7 @@
#include <asm/fixmap.h>
#include <asm/mpspec.h>
#include <asm/msr.h>
+#include <asm/hardirq.h>
#define ARCH_APICTIMER_STOPS_ON_C3 1
@@ -514,6 +515,7 @@ extern void irq_exit(void);
static inline void entering_irq(void)
{
irq_enter();
+ kvm_set_cpu_l1tf_flush_l1d();
}
static inline void entering_ack_irq(void)
@@ -526,6 +528,7 @@ static inline void ipi_entering_ack_irq(void)
{
irq_enter();
ack_APIC_irq();
+ kvm_set_cpu_l1tf_flush_l1d();
}
static inline void exiting_irq(void)
diff --git a/arch/x86/kernel/smp.c b/arch/x86/kernel/smp.c
index 5c574dff4c1a..04adc8d60aed 100644
--- a/arch/x86/kernel/smp.c
+++ b/arch/x86/kernel/smp.c
@@ -261,6 +261,7 @@ __visible void __irq_entry smp_reschedule_interrupt(struct pt_regs *regs)
{
ack_APIC_irq();
inc_irq_stat(irq_resched_count);
+ kvm_set_cpu_l1tf_flush_l1d();
if (trace_resched_ipi_enabled()) {
/*
diff --git a/arch/x86/platform/uv/tlb_uv.c b/arch/x86/platform/uv/tlb_uv.c
index b36caae0fb2f..c29d3152f5a4 100644
--- a/arch/x86/platform/uv/tlb_uv.c
+++ b/arch/x86/platform/uv/tlb_uv.c
@@ -1285,6 +1285,7 @@ void uv_bau_message_interrupt(struct pt_regs *regs)
struct msg_desc msgdesc;
ack_APIC_irq();
+ kvm_set_cpu_l1tf_flush_l1d();
time_start = get_cycles();
bcp = &per_cpu(bau_control, smp_processor_id());