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https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git
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| Filename | Latest commit message | Latest commit date |
|---|---|---|
979dca8d24
[ Upstream commit 3fcc8e146935415d69ffabb5df40ecf50e106131 ]
VIRQs come in 3 flavors, per-VPU, per-domain, and global, and the VIRQs
are tracked in per-cpu virq_to_irq arrays.
Per-domain and global VIRQs must be bound on CPU 0, and
bind_virq_to_irq() sets the per_cpu virq_to_irq at registration time
Later, the interrupt can migrate, and info->cpu is updated. When
calling __unbind_from_irq(), the per-cpu virq_to_irq is cleared for a
different cpu. If bind_virq_to_irq() is called again with CPU 0, the
stale irq is returned. There won't be any irq_info for the irq, so
things break.
Make xen_rebind_evtchn_to_cpu() update the per_cpu virq_to_irq mappings
to keep them update to date with the current cpu. This ensures the
correct virq_to_irq is cleared in __unbind_from_irq().
Fixes:
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| .. | ||
| events | ||
| xen-pciback | ||
| xenbus | ||
| xenfs | ||
| acpi.c | ||
| arm-device.c | ||
| balloon.c | ||
| biomerge.c | ||
| cpu_hotplug.c | ||
| dbgp.c | ||
| efi.c | ||
| evtchn.c | ||
| features.c | ||
| gntalloc.c | ||
| gntdev-common.h | ||
| gntdev-dmabuf.c | ||
| gntdev-dmabuf.h | ||
| gntdev.c | ||
| grant-table.c | ||
| Kconfig | ||
| Makefile | ||
| manage.c | ||
| mcelog.c | ||
| mem-reservation.c | ||
| pci.c | ||
| pcpu.c | ||
| platform-pci.c | ||
| preempt.c | ||
| privcmd-buf.c | ||
| privcmd.c | ||
| privcmd.h | ||
| pvcalls-back.c | ||
| pvcalls-front.c | ||
| pvcalls-front.h | ||
| swiotlb-xen.c | ||
| sys-hypervisor.c | ||
| time.c | ||
| xen-acpi-cpuhotplug.c | ||
| xen-acpi-memhotplug.c | ||
| xen-acpi-pad.c | ||
| xen-acpi-processor.c | ||
| xen-balloon.c | ||
| xen-front-pgdir-shbuf.c | ||
| xen-scsiback.c | ||
| xen-stub.c | ||
| xlate_mmu.c | ||