> > On Thu, 30 Apr 2020 11:56:24 +0800 > gengdongjiu <gengdongjiu@xxxxxxxxxx> wrote: > > > On 2020/4/17 21:32, Peter Maydell wrote: > > > On Fri, 10 Apr 2020 at 12:46, Dongjiu Geng <gengdongjiu@xxxxxxxxxx> 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 left a comment on patch 1. The other 3 patches unreviewed are > > > 5, 6 and 8, which are all ACPI core code, so that's for MST, Igor or > > > Shannon to review. > > > > Ping MST, Igor and Shannon, sorry for the noise. > > I put it on my review queue Igor, thank you very much in advance. > > > > > > > > > Once those have been reviewed, please ping me if you want this to go > > > via target-arm.next. > > > > > > thanks > > > -- PMM > > > > > > . > > > > >
