On 3/19/19 4:02 PM, Jennifer Herbert wrote: > The ACPI tables doesn't always contain all IRQs for legacy devices > such as RTC. Since no PIC controller is visible for a PV linux guest, > under Xen, legacy_pic currently defaults to the null_legacy_pic - with > reports no legacy IRQs. Since the commit "rtc: cmos: Do not assume > irq 8 for rtc when there are no legacy irqs" by Hans de Goede > (commit id: a1e23a42f1bdc00e32fc4869caef12e4e6272f26), the rtc now > incorrectly decides it has no irq it can use, for some hardware. > > This patch rectifies the problem by providing a xen legacy_pic > struct, which is much like the null_legacy_pic except that it > reports NR_IRQS_LEGACY irqs.
I assume this is for dom0? Could there be the same problem with PVH dom0? (and if yes then this should probably go into arch/x86/xen/enlighten.c). -boris _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
