From 22f23db428b8ee14ff04a9128431e719ef2a387c Mon Sep 17 00:00:00 2001 From: Heinrich Schuchardt Date: Sun, 2 Jun 2019 21:12:17 +0200 Subject: [PATCH] efi_loader: check timer events in Stall() During a call to Stall() we should periodically check for timer events. Signed-off-by: Heinrich Schuchardt --- 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 027bd6d4d3..fed8d47ade 100644 --- a/lib/efi_loader/efi_boottime.c +++ b/lib/efi_loader/efi_boottime.c @@ -1947,8 +1947,14 @@ 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); } -- 2.39.5