[Kernel-packages] [Bug 1896216] [NEW] [Ubuntu 20.10] zPCI DMA tables and bitmap leak on hard unplug (PCI Event 0x0304)

2020-09-18 Thread bugproxy
Public bug reported: Commit "s390/pci: adapt events for zbus" removed the zpci_disable_device() call for a zPCI event with PEC 0x0304 (hot unplug) becausethe device is already deconfigured by the platform. This however skips the Linux side of the disable in particular it leads to leaking the DMA

[Kernel-packages] [Bug 1896216] [NEW] [Ubuntu 20.10] zPCI DMA tables and bitmap leak on hard unplug (PCI Event 0x0304)

2020-09-18 Thread Launchpad Bug Tracker
You have been subscribed to a public bug: Commit "s390/pci: adapt events for zbus" removed the zpci_disable_device() call for a zPCI event with PEC 0x0304 (hot unplug) becausethe device is already deconfigured by the platform. This however skips the Linux side of the disable in particular it lead