Re: [PATCH for-6.0 0/8] spapr: Address the confusion between IPI numbers and vCPU ids

2020-11-23 Thread Greg Kurz
On Mon, 23 Nov 2020 09:04:42 +0100 Cédric Le Goater wrote: > On 11/20/20 6:46 PM, Greg Kurz wrote: > > A regression was recently fixed in the sPAPR XIVE code for QEMU 5.2 > > RC3 [1]. It boiled down to a confusion between IPI numbers and vCPU > > ids, which happen to be numerically equal in gener

Re: [PATCH for-6.0 0/8] spapr: Address the confusion between IPI numbers and vCPU ids

2020-11-23 Thread Cédric Le Goater
On 11/20/20 6:46 PM, Greg Kurz wrote: > A regression was recently fixed in the sPAPR XIVE code for QEMU 5.2 > RC3 [1]. It boiled down to a confusion between IPI numbers and vCPU > ids, which happen to be numerically equal in general, but are really > different entities that can diverge in some setu

[PATCH for-6.0 0/8] spapr: Address the confusion between IPI numbers and vCPU ids

2020-11-20 Thread Greg Kurz
A regression was recently fixed in the sPAPR XIVE code for QEMU 5.2 RC3 [1]. It boiled down to a confusion between IPI numbers and vCPU ids, which happen to be numerically equal in general, but are really different entities that can diverge in some setups. When this happens, we end up misconfigurin