Re: [PATCH 0/4] x86: Further harden function pointers

2021-11-29 Thread Jan Beulich
On 26.11.2021 22:22, Andrew Cooper wrote: > Slightly RFC, because patch 2 has some minor structure (ab)use, but the result > works alarmingly well. So far, this demonstrates converting two subsystems. > > hvm_funcs is the other area of especially low hanging fruit, but IOMMU, vPMU > also look lik

[PATCH 0/4] x86: Further harden function pointers

2021-11-26 Thread Andrew Cooper
Slightly RFC, because patch 2 has some minor structure (ab)use, but the result works alarmingly well. So far, this demonstrates converting two subsystems. hvm_funcs is the other area of especially low hanging fruit, but IOMMU, vPMU also look like good candidates. Anything which is partially altc