The branch main has been updated by emaste:
URL:
https://cgit.FreeBSD.org/src/commit/?id=c720435062566324459cb5dd1bdfc1d0e108c516
commit c720435062566324459cb5dd1bdfc1d0e108c516
Author: D Scott Phillips <scot...@freebsd.org>
AuthorDate: 2021-02-17 19:06:48 +0000
Commit: Ed Maste <ema...@freebsd.org>
CommitDate: 2021-02-17 19:08:38 +0000
gicv3_its: Leave LPI interrupts enabled during handling
This follows the behavior on x86 where edge triggered interrupts are
not disabled when executing the handler. Because the ITS is a shared
resource, contention for the command queue lock can be substantial.
Suggested by: gallatin
Reviewed by: andrew
Tested by: gallatin
Sponsored by: Ampere Computing LLC
Differential Revision: https://reviews.freebsd.org/D28709
---
sys/arm64/arm64/gicv3_its.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/sys/arm64/arm64/gicv3_its.c b/sys/arm64/arm64/gicv3_its.c
index 061d5a1dbdb9..ba7ccdc7d696 100644
--- a/sys/arm64/arm64/gicv3_its.c
+++ b/sys/arm64/arm64/gicv3_its.c
@@ -1013,7 +1013,6 @@ gicv3_its_pre_ithread(device_t dev, struct intr_irqsrc
*isrc)
sc = device_get_softc(dev);
girq = (struct gicv3_its_irqsrc *)isrc;
- gicv3_its_disable_intr(dev, isrc);
gic_icc_write(EOIR1, girq->gi_lpi + GIC_FIRST_LPI);
}
@@ -1021,7 +1020,6 @@ static void
gicv3_its_post_ithread(device_t dev, struct intr_irqsrc *isrc)
{
- gicv3_its_enable_intr(dev, isrc);
}
static void
_______________________________________________
dev-commits-src-all@freebsd.org mailing list
https://lists.freebsd.org/mailman/listinfo/dev-commits-src-all
To unsubscribe, send any mail to "dev-commits-src-all-unsubscr...@freebsd.org"
