On 2020/2/21 22:09, Peter Maydell wrote: > On Mon, 17 Feb 2020 at 13:10, Dongjiu Geng <gengdong...@huawei.com> wrote: >> >> In the ARMv8 platform, the CPU error types includes synchronous external >> abort(SEA) and SError Interrupt (SEI). If exception happens in guest, host >> does not know the detailed information of guest, so it is expected that >> guest can do the recovery. >> For example, if an exception happens in a guest user-space application, host >> does >> not know which application encounters errors, only guest knows it. >> >> For the ARMv8 SEA/SEI, KVM or host kernel delivers SIGBUS to notify >> userspace. >> After user space gets the notification, it will record the CPER into guest >> GHES >> buffer and inject an exception or IRQ to guest. >> >> In the current implementation, if the type of SIGBUS is BUS_MCEERR_AR, we >> will >> treat it as a synchronous exception, and notify guest with ARMv8 SEA >> notification type after recording CPER into guest. > > Hi; I have reviewed the remaining arm bit of this series (patch 9), > and made some comments on patch 1. Still to be reviewed are > patches 4, 5, 6, 8: I'm going to assume that Michael or Igor > will look at those.
Thanks very much for Peter's review. Michael/Igor, hope you can review patches 4, 5, 6, 8, thank you very much in advance. > > thanks > -- PMM > > . >