Messages in this thread | | | From | <> | Subject | Re: [PATCH -next] arch_topology: Fix cache attributes detection in the CPU hotplug path | Date | Wed, 13 Jul 2022 16:04:39 +0000 |
| |
On 13/07/2022 14:33, Sudeep Holla wrote: > Hi Conor, > > Ionela reported an issue with the CPU hotplug and as a fix I need to > move the call to detect_cache_attributes() which I had thought to keep > it there from first but for no reason had moved it to init_cpu_topology(). > > Wonder if this fixes the -ENOMEM on RISC-V as this one is called on the > cpu in the secondary CPUs init path while init_cpu_topology executed > detect_cache_attributes() for all possible CPUs much earlier. I think > this might help as the percpu memory might be initialised in this case. > > Anyways give this a try, also test the CPU hotplug and check if nothing > is broken on RISC-V. We noticed this bug only on one platform while
Coll, will give it a go tomorrow probably. I have a swiotlb issue that's broken my boot to find first :/
| |