Re: [PATCH 3/3] gnttab: GTF_sub_page is a v2-only flag

2021-02-18 Thread Jan Beulich
On 18.02.2021 15:22, Andrew Cooper wrote: > On 17/02/2021 10:46, Jan Beulich wrote: >> Prior to its introduction, v1 entries weren't checked for this flag, and >> the flag also has been meaningless for v1 entries. Therefore it also >> shouldn't be checked. (The only consistent alternative would be

Re: [PATCH 3/3] gnttab: GTF_sub_page is a v2-only flag

2021-02-18 Thread Andrew Cooper
On 17/02/2021 10:46, Jan Beulich wrote: > Prior to its introduction, v1 entries weren't checked for this flag, and > the flag also has been meaningless for v1 entries. Therefore it also > shouldn't be checked. (The only consistent alternative would be to also > check for all currently undefined fla