sim-card
/
qemu
Archived
10
0
Fork 0
Code Releases Activity

i8259: Do not update IRQ output after spurious pic_poll_read 

If pic_poll_read finds no pending IRQ and return a spurious one instead,
no PIC state is changed, thus we do not need to call pic_update_irq.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Jan Kiszka 2011-10-07 09:19:42 +02:00 committed by Blue Swirl
parent 2e2b227499
commit afdb06f849
1 changed files with 0 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
hw/i8259.c
View File

@ -393,7 +393,6 @@ static uint32_t pic_poll_read(PicState *s)
pic_update_irq(s->pics_state);
} else {
ret = 0x07;
pic_update_irq(s->pics_state);
}
return ret;