Re: [PATCH 0/3] xen: remove some checks for always present Xen features

From: Juergen Gross
Date: Mon May 10 2021 - 03:34:28 EST


On 22.04.21 17:10, Juergen Gross wrote:
Some features of Xen can be assumed to be always present, so add a
central check to verify this being true and remove the other checks.

Juergen Gross (3):
xen: check required Xen features
xen: assume XENFEAT_mmu_pt_update_preserve_ad being set for pv guests
xen: assume XENFEAT_gnttab_map_avail_bits being set for pv guests

arch/x86/xen/enlighten_pv.c | 12 ++----------
arch/x86/xen/mmu_pv.c | 4 ++--
drivers/xen/features.c | 18 ++++++++++++++++++
drivers/xen/gntdev.c | 36 ++----------------------------------
4 files changed, 24 insertions(+), 46 deletions(-)


Could I please get some feedback on this series?


Juergen

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