| Message ID | 200911261711.16954.bzolnier@gmail.com |
|---|---|
| State | Not Applicable |
| Delegated to: | David Miller |
| Headers | show |
On 11/26/2009 11:11 AM, Bartlomiej Zolnierkiewicz wrote: > > Based on: > http://lkml.indiana.edu/hypermail/linux/kernel/0908.2/01420.html > > Signed-off-by: Bartlomiej Zolnierkiewicz<bzolnier@gmail.com> > --- > drivers/ata/libata-core.c | 7 +++++++ > 1 file changed, 7 insertions(+) applied -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
Index: b/drivers/ata/libata-core.c =================================================================== --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -6624,6 +6624,13 @@ static int __init ata_init(void) { ata_parse_force_param(); + /* + * FIXME: In UP case, there is only one workqueue thread and if you + * have more than one PIO device, latency is bloody awful, with + * occasional multi-second "hiccups" as one PIO device waits for + * another. It's an ugly wart that users DO occasionally complain + * about; luckily most users have at most one PIO polled device. + */ ata_wq = create_workqueue("ata"); if (!ata_wq) goto free_force_tbl;
Based on: http://lkml.indiana.edu/hypermail/linux/kernel/0908.2/01420.html Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> --- drivers/ata/libata-core.c | 7 +++++++ 1 file changed, 7 insertions(+) -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html