efi_loader: check timer events in Stall()
During a call to Stall() we should periodically check for timer events.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c
index 027bd6d..fed8d47 100644
--- a/lib/efi_loader/efi_boottime.c
+++ b/lib/efi_loader/efi_boottime.c
@@ -1947,8 +1947,14 @@
*/
static efi_status_t EFIAPI efi_stall(unsigned long microseconds)
{
+ u64 end_tick;
+
EFI_ENTRY("%ld", microseconds);
- udelay(microseconds);
+
+ end_tick = get_ticks() + usec_to_tick(microseconds);
+ while (get_ticks() < end_tick)
+ efi_timer_check();
+
return EFI_EXIT(EFI_SUCCESS);
}