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efi_loader: check timer events in Stall()

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During a call to Stall() we should periodically check for timer events.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
This commit is contained in:
Heinrich Schuchardt 2019-06-02 21:12:17 +02:00
parent 6a853dbcc0
commit 22f23db428
1 changed files with 7 additions and 1 deletions
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8
lib/efi_loader/efi_boottime.c
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@ -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);
}