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-rw-r--r--arch/arm64/kvm/arch_timer.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/arch/arm64/kvm/arch_timer.c b/arch/arm64/kvm/arch_timer.c
index 16dda1a383a6..c92a68190f6a 100644
--- a/arch/arm64/kvm/arch_timer.c
+++ b/arch/arm64/kvm/arch_timer.c
@@ -208,18 +208,16 @@ static irqreturn_t kvm_arch_timer_handler(int irq, void *dev_id)
return IRQ_HANDLED;
}
-static u64 kvm_timer_compute_delta(struct arch_timer_context *timer_ctx)
+static u64 kvm_counter_compute_delta(struct arch_timer_context *timer_ctx,
+ u64 val)
{
- u64 cval, now;
-
- cval = timer_get_cval(timer_ctx);
- now = kvm_phys_timer_read() - timer_get_offset(timer_ctx);
+ u64 now = kvm_phys_timer_read() - timer_get_offset(timer_ctx);
- if (now < cval) {
+ if (now < val) {
u64 ns;
ns = cyclecounter_cyc2ns(timecounter->cc,
- cval - now,
+ val - now,
timecounter->mask,
&timecounter->frac);
return ns;
@@ -228,6 +226,11 @@ static u64 kvm_timer_compute_delta(struct arch_timer_context *timer_ctx)
return 0;
}
+static u64 kvm_timer_compute_delta(struct arch_timer_context *timer_ctx)
+{
+ return kvm_counter_compute_delta(timer_ctx, timer_get_cval(timer_ctx));
+}
+
static bool kvm_timer_irq_can_fire(struct arch_timer_context *timer_ctx)
{
WARN_ON(timer_ctx && timer_ctx->loaded);