acpi: robust notifications
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- v1 Latest2 patches 1 replyIn review
Patches in v1 No applies recorded yet
| # | Subject and files | Size | Replies | Applied |
|---|---|---|---|---|
| 1/2 | pci: track function accesseshw/ hw/ hw/ | +31 | 0 replies | |
| 2/2 | acpi: don't clear up/down on each host changehw/ | +27 | 0 replies |
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Cover letter [Qemu-devel] [PATCH 0/2] acpi: robust notifications
acpi currently clears up/down registers on each hotplug request. This loses events if they are done quickly. It's easy to clear down on ej write.
To detect that guest was notified of device addition, we track configuration accesses since system reset.
Michael S. Tsirkin (2):
pci: track function accesses
acpi: don't clear up/down on each host change
hw/acpi_piix4.c | 32 +++++++++++++++++++++++++++----- hw/pci.c | 26 ++++++++++++++++++++++++++ hw/pci.h | 3 +++ hw/pci_host.c | 2 ++ 4 files changed, 58 insertions(+), 5 deletions(-)
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1.7.9.111.gf3fb0