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pci: last minute bugfixes

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two fixes that seem very safe and important enough to sneak
 in before the release.
 
 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
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Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging

pci: last minute bugfixes

two fixes that seem very safe and important enough to sneak
in before the release.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

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# gpg: Signature made Fri 11 Aug 2023 09:16:50 AM PDT
# gpg:                using RSA key 5D09FD0871C8F85B94CA8A0D281F0DB8D28D5469
# gpg:                issuer "mst@redhat.com"
# gpg: Good signature from "Michael S. Tsirkin <mst@kernel.org>" [undefined]
# gpg:                 aka "Michael S. Tsirkin <mst@redhat.com>" [undefined]
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 0270 606B 6F3C DF3D 0B17  0970 C350 3912 AFBE 8E67
#      Subkey fingerprint: 5D09 FD08 71C8 F85B 94CA  8A0D 281F 0DB8 D28D 5469

* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu:
  pci: Fix the update of interrupt disable bit in PCI_COMMAND register
  hw/pci-host: Allow extended config space access for Designware PCIe host

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2023-08-11 10:28:23 -07:00
commit 44e13cb441
2 changed files with 2 additions and 1 deletions
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1
hw/pci-host/designware.c
View File

@ -694,6 +694,7 @@ static void designware_pcie_host_realize(DeviceState *dev, Error **errp)
&s->pci.io,
0, 4,
TYPE_PCIE_BUS);
pci->bus->flags |= PCI_BUS_EXTENDED_CONFIG_SPACE;
memory_region_init(&s->pci.address_space_root,
OBJECT(s),

2
hw/pci/pci.c
View File

@ -1613,7 +1613,7 @@ void pci_default_write_config(PCIDevice *d, uint32_t addr, uint32_t val_in, int
range_covers_byte(addr, l, PCI_COMMAND))
pci_update_mappings(d);
if (range_covers_byte(addr, l, PCI_COMMAND)) {
if (ranges_overlap(addr, l, PCI_COMMAND, 2)) {
pci_update_irq_disabled(d, was_irq_disabled);
memory_region_set_enabled(&d->bus_master_enable_region,
(pci_get_word(d->config + PCI_COMMAND)