During a call to Stall() we should periodically check for timer events.
Signed-off-by: Heinrich Schuchardt <xypron.g...@gmx.de>
---
lib/efi_loader/efi_boottime.c | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/lib/efi_loader/efi_boottime.c b/lib/efi_loader/efi_boottime.c
index f4e3186ffc..5036e239b6 100644
--- a/lib/efi_loader/efi_boottime.c
+++ b/lib/efi_loader/efi_boottime.c
@@ -1990,8 +1990,14 @@ out:
*/
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);
}
--
2.20.1
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