On 01/11/2018 18:30, Michael Kelley wrote: > pit_shutdown() doesn't work on Hyper-V because of a quirk in the > PIT emulation. This problem exists in all versions of Hyper-V and > had not been noticed previously. When the counter register is set > to zero, the emulated PIT continues to interrupt @18.2 HZ. > > So add a test for running on Hyper-V, and use that test to skip > setting the counter register when running on Hyper-V. > > This patch replaces a previously proposed patch with a different > approach. This new approach follows comments from Thomas Gleixner. Did you consider using a static_key instead? You could set it in ms_hyperv_init_platform(). This would enable you to support future Hyper-V versions which don't require avoiding to set the count to zero. Juergen _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
