Re: Design session "grant v3"

2022-09-26 Thread Juergen Gross
On 26.09.22 09:23, Jan Beulich wrote: On 26.09.2022 09:04, Juergen Gross wrote: On 26.09.22 08:57, Jan Beulich wrote: On 23.09.2022 11:31, Juergen Gross wrote: On 22.09.22 20:43, Jan Beulich wrote: On 22.09.2022 15:42, Marek Marczykowski-Górecki wrote: Yann: can backend refuse revoking? Jü

Re: Design session "grant v3"

2022-09-26 Thread Jan Beulich
On 26.09.2022 09:04, Juergen Gross wrote: > On 26.09.22 08:57, Jan Beulich wrote: >> On 23.09.2022 11:31, Juergen Gross wrote: >>> On 22.09.22 20:43, Jan Beulich wrote: On 22.09.2022 15:42, Marek Marczykowski-Górecki wrote: > Yann: can backend refuse revoking? > Jürgen: it shouldn't

Re: Design session "grant v3"

2022-09-26 Thread Juergen Gross
On 26.09.22 08:57, Jan Beulich wrote: On 23.09.2022 11:31, Juergen Gross wrote: On 22.09.22 20:43, Jan Beulich wrote: On 22.09.2022 15:42, Marek Marczykowski-Górecki wrote: Yann: can backend refuse revoking? Jürgen: it shouldn't be this way, but revoke could be controlled by feature flag; r

Re: Design session "grant v3"

2022-09-25 Thread Jan Beulich
On 23.09.2022 11:31, Juergen Gross wrote: > On 22.09.22 20:43, Jan Beulich wrote: >> On 22.09.2022 15:42, Marek Marczykowski-Górecki wrote: >>> Yann: can backend refuse revoking? >>> Jürgen: it shouldn't be this way, but revoke could be controlled by feature >>> flag; revoke could pass scratch p

Re: Design session "grant v3"

2022-09-23 Thread Juergen Gross
On 22.09.22 20:43, Jan Beulich wrote: On 22.09.2022 15:42, Marek Marczykowski-Górecki wrote: Jürgen: today two grants formats, v1 supports only up to 16TB addresses v2 solves 16TB issue, introduces several more features^Wbugs v2 is 16 bytes per entry, v1 is 8 bytes per entry, v

Re: Design session "grant v3"

2022-09-22 Thread Jan Beulich
On 22.09.2022 15:42, Marek Marczykowski-Górecki wrote: > Jürgen: today two grants formats, v1 supports only up to 16TB addresses > v2 solves 16TB issue, introduces several more features^Wbugs > v2 is 16 bytes per entry, v1 is 8 bytes per entry, v2 more > complicated interface to th

Design session "grant v3"

2022-09-22 Thread Marek Marczykowski-Górecki
Jürgen: today two grants formats, v1 supports only up to 16TB addresses v2 solves 16TB issue, introduces several more features^Wbugs v2 is 16 bytes per entry, v1 is 8 bytes per entry, v2 more complicated interface to the hypervisor virtio could use per-device grant table, c