Re: [PATCH for-4.17] x86/hvm: Revert per-domain APIC acceleration support

2022-11-17 Thread Andrew Cooper
On 15/11/2022 16:12, Roger Pau Monne wrote: > On Tue, Nov 15, 2022 at 12:35:39AM +, Andrew Cooper wrote: >> I was really hoping to avoid this, but its now too late in the 4.17 freeze >> and >> we still don't have working fixes. > The fix I proposed still has some comments that have been unansw

Re: [PATCH for-4.17] x86/hvm: Revert per-domain APIC acceleration support

2022-11-17 Thread Jan Beulich
On 16.11.2022 19:14, Andrew Cooper wrote: > On 15/11/2022 08:49, Jan Beulich wrote: >> On 15.11.2022 01:35, Andrew Cooper wrote: >>> I was really hoping to avoid this, but its now too late in the 4.17 freeze >>> and >>> we still don't have working fixes. >>> >>> The in-Xen calculations for assista

RE: [PATCH for-4.17] x86/hvm: Revert per-domain APIC acceleration support

2022-11-16 Thread Henry Wang
Hi Andrew, > -Original Message- > From: Andrew Cooper > Subject: Re: [PATCH for-4.17] x86/hvm: Revert per-domain APIC acceleration > support > > >> Signed-off-by: Andrew Cooper > > Provisional upon Roger not objecting (i.e. him at least remaining > &g

Re: [PATCH for-4.17] x86/hvm: Revert per-domain APIC acceleration support

2022-11-16 Thread Andrew Cooper
On 15/11/2022 08:49, Jan Beulich wrote: > On 15.11.2022 01:35, Andrew Cooper wrote: >> I was really hoping to avoid this, but its now too late in the 4.17 freeze >> and >> we still don't have working fixes. >> >> The in-Xen calculations for assistance capabilities are buggy. For the >> avoidance

Re: [PATCH for-4.17] x86/hvm: Revert per-domain APIC acceleration support

2022-11-15 Thread Roger Pau Monné
On Tue, Nov 15, 2022 at 12:35:39AM +, Andrew Cooper wrote: > I was really hoping to avoid this, but its now too late in the 4.17 freeze and > we still don't have working fixes. The fix I proposed still has some comments that have been unanswered, but at any rate thit is now far too late to try

Re: [PATCH for-4.17] x86/hvm: Revert per-domain APIC acceleration support

2022-11-15 Thread Jan Beulich
On 15.11.2022 01:35, Andrew Cooper wrote: > I was really hoping to avoid this, but its now too late in the 4.17 freeze and > we still don't have working fixes. > > The in-Xen calculations for assistance capabilities are buggy. For the > avoidance of doubt, the original intention was to be able to

[PATCH for-4.17] x86/hvm: Revert per-domain APIC acceleration support

2022-11-14 Thread Andrew Cooper
I was really hoping to avoid this, but its now too late in the 4.17 freeze and we still don't have working fixes. The in-Xen calculations for assistance capabilities are buggy. For the avoidance of doubt, the original intention was to be able to control every aspect of a APIC acceleration so we c