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-rw-r--r--drivers/clocksource/hyperv_timer.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/clocksource/hyperv_timer.c b/drivers/clocksource/hyperv_timer.c
index 1aec08e82b7a..12d75b50a317 100644
--- a/drivers/clocksource/hyperv_timer.c
+++ b/drivers/clocksource/hyperv_timer.c
@@ -307,17 +307,20 @@ EXPORT_SYMBOL_GPL(hv_stimer_global_cleanup);
struct clocksource *hyperv_cs;
EXPORT_SYMBOL_GPL(hyperv_cs);
-static struct ms_hyperv_tsc_page tsc_pg __aligned(PAGE_SIZE);
+static union {
+ struct ms_hyperv_tsc_page page;
+ u8 reserved[PAGE_SIZE];
+} tsc_pg __aligned(PAGE_SIZE);
struct ms_hyperv_tsc_page *hv_get_tsc_page(void)
{
- return &tsc_pg;
+ return &tsc_pg.page;
}
EXPORT_SYMBOL_GPL(hv_get_tsc_page);
static u64 notrace read_hv_clock_tsc(struct clocksource *arg)
{
- u64 current_tick = hv_read_tsc_page(&tsc_pg);
+ u64 current_tick = hv_read_tsc_page(hv_get_tsc_page());
if (current_tick == U64_MAX)
hv_get_time_ref_count(current_tick);
@@ -397,7 +400,7 @@ static bool __init hv_init_tsc_clocksource(void)
return false;
hyperv_cs = &hyperv_cs_tsc;
- phys_addr = virt_to_phys(&tsc_pg);
+ phys_addr = virt_to_phys(hv_get_tsc_page());
/*
* The Hyper-V TLFS specifies to preserve the value of reserved