Thread (24 messages) 24 messages, 3 authors, 2020-07-23

Re: [RFC 01/11] Drivers: hv: vmbus: Always use HV_HYP_PAGE_SIZE for gpadl

From: Wei Liu <wei.liu@kernel.org>
Date: 2020-07-21 15:22:25
Also in: linux-hyperv, linux-scsi, lkml, netdev

On Tue, Jul 21, 2020 at 09:41:25AM +0800, Boqun Feng wrote:
Since the hypervisor always uses 4K as its page size, the size of PFNs
used for gpadl should be HV_HYP_PAGE_SIZE rather than PAGE_SIZE, so
adjust this accordingly as the preparation for supporting 16K/64K page
size guests.
It may be worth calling out there is no change on x86 because
HV_HYP_PAGE_SHIFT and PAGE_SHIFT are of the same value there.

Wei.
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