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| author | Alexander Bulekov <alxndr@bu.edu> | 2023-04-27 17:10:09 -0400 |
|---|---|---|
| committer | Thomas Huth <thuth@redhat.com> | 2023-04-28 11:31:54 +0200 |
| commit | f63192b0544af5d3e4d5edfd85ab520fcf671377 (patch) | |
| tree | 64eab41f7be16e93518b18c885d7e082edec4f69 /hw/usb/hcd-dwc2.c | |
| parent | ef56ffbdd6b0605dc1e305611287b948c970e236 (diff) | |
| download | focaccia-qemu-f63192b0544af5d3e4d5edfd85ab520fcf671377.tar.gz focaccia-qemu-f63192b0544af5d3e4d5edfd85ab520fcf671377.zip | |
hw: replace most qemu_bh_new calls with qemu_bh_new_guarded
This protects devices from bh->mmio reentrancy issues. Thanks: Thomas Huth <thuth@redhat.com> for diagnosing OS X test failure. Signed-off-by: Alexander Bulekov <alxndr@bu.edu> Reviewed-by: Darren Kenny <darren.kenny@oracle.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Paul Durrant <paul@xen.org> Reviewed-by: Thomas Huth <thuth@redhat.com> Message-Id: <20230427211013.2994127-5-alxndr@bu.edu> Signed-off-by: Thomas Huth <thuth@redhat.com>
Diffstat (limited to 'hw/usb/hcd-dwc2.c')
| -rw-r--r-- | hw/usb/hcd-dwc2.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/hw/usb/hcd-dwc2.c b/hw/usb/hcd-dwc2.c index 8755e9cbb0..a0c4e782b2 100644 --- a/hw/usb/hcd-dwc2.c +++ b/hw/usb/hcd-dwc2.c @@ -1364,7 +1364,8 @@ static void dwc2_realize(DeviceState *dev, Error **errp) s->fi = USB_FRMINTVL - 1; s->eof_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, dwc2_frame_boundary, s); s->frame_timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, dwc2_work_timer, s); - s->async_bh = qemu_bh_new(dwc2_work_bh, s); + s->async_bh = qemu_bh_new_guarded(dwc2_work_bh, s, + &dev->mem_reentrancy_guard); sysbus_init_irq(sbd, &s->irq); } |