Re: [PATCH v3 04/10] powerpc/pseries/vas: Reopen windows with DLPAR core add

2022-02-15 Thread Haren Myneni
On Mon, 2022-02-14 at 13:08 +1000, Nicholas Piggin wrote: > Excerpts from Haren Myneni's message of January 22, 2022 5:56 am: > > VAS windows can be closed in the hypervisor due to lost credits > > when the core is removed. If these credits are available later > > for core add, reopen these windows

Re: [PATCH v3 04/10] powerpc/pseries/vas: Reopen windows with DLPAR core add

2022-02-13 Thread Nicholas Piggin
Excerpts from Haren Myneni's message of January 22, 2022 5:56 am: > > VAS windows can be closed in the hypervisor due to lost credits > when the core is removed. If these credits are available later > for core add, reopen these windows and set them active. When the > kernel sees page fault on the

[PATCH v3 04/10] powerpc/pseries/vas: Reopen windows with DLPAR core add

2022-01-21 Thread Haren Myneni
VAS windows can be closed in the hypervisor due to lost credits when the core is removed. If these credits are available later for core add, reopen these windows and set them active. When the kernel sees page fault on the paste address, it creates new mapping on the new paste address. Then the us