Re: [PATCH 1/4 v4.4.y] KVM: PPC: Book3S HV: Context-switch EBB registers properly

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Mon, Jul 31, 2017 at 10:41:54AM +1000, Paul Mackerras wrote:
> commit ca8efa1df1d15a1795a2da57f9f6aada6ed6b946 upstream.
> 
> This adds code to save the values of three SPRs (special-purpose
> registers) used by userspace to control event-based branches (EBBs),
> which are essentially interrupts that get delivered directly to
> userspace.  These registers are loaded up with guest values when
> entering the guest, and their values are saved when exiting the
> guest, but we were not saving the host values and restoring them
> before going back to userspace.

I already took this patch, right?



[Index of Archives]     [Linux Kernel]     [Kernel Development Newbies]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Hiking]     [Linux Kernel]     [Linux SCSI]