Re: [PATCH v5 0/2] Fix Guest random crash on Cortex-N1/A76/A75 cores

2020-08-28 Thread Julien Grall
Hi Wei, On 28/08/2020 03:34, Wei Chen wrote: On latest Arm Cortex-N1/A76/A75 cores, Xen guests will encouter random crash when they have wordloads. It's because Xen will ignore FP/SIMD registers in vCPU context switch (see patch#1 for more details). This patch set fix guest random crash on thes

[PATCH v5 0/2] Fix Guest random crash on Cortex-N1/A76/A75 cores

2020-08-27 Thread Wei Chen
On latest Arm Cortex-N1/A76/A75 cores, Xen guests will encouter random crash when they have wordloads. It's because Xen will ignore FP/SIMD registers in vCPU context switch (see patch#1 for more details). This patch set fix guest random crash on these new cores, and throw messages when Xen detects