On Tue, Aug 04, 2020 at 07:05:58PM +0200, Andrew Jones wrote: > v2: > - ARM_SMCCC_HV_PV_TIME_FEATURES now also returns SMCCC_RET_NOT_SUPPORTED > when steal time is not supported > - Added READ_ONCE() for the run_delay read > - Reworked kvm_put/get_guest to not require type as a parameter > - Added some more text to the documentation for KVM_CAP_STEAL_TIME > - Enough changed that I didn't pick up Steven's r-b's > > > The first four patches in the series are fixes that come from testing > and reviewing pvtime code while writing the QEMU support[*]. The last > patch is only a convenience for userspace, and I wouldn't be heartbroken > if it wasn't deemed worth it. The QEMU patches are currently written > without the cap. However, if the cap is accepted, then I'll change the > QEMU code to use it. > > Thanks, > drew > > [*] https://lists.gnu.org/archive/html/qemu-devel/2020-07/msg03856.html > (a v2 of this series will also be posted shortly) > > Andrew Jones (6): > KVM: arm64: pvtime: steal-time is only supported when configured > KVM: arm64: pvtime: Fix potential loss of stolen time > KVM: arm64: Drop type input from kvm_put_guest > KVM: arm64: pvtime: Fix stolen time accounting across migration > KVM: Documentation: Minor fixups > arm64/x86: KVM: Introduce steal-time cap > > Documentation/virt/kvm/api.rst | 22 ++++++++++++++++++---- > arch/arm64/include/asm/kvm_host.h | 2 +- > arch/arm64/kvm/arm.c | 3 +++ > arch/arm64/kvm/pvtime.c | 29 +++++++++++++---------------- > arch/x86/kvm/x86.c | 3 +++ > include/linux/kvm_host.h | 31 ++++++++++++++++++++++++++----- > include/uapi/linux/kvm.h | 1 + > 7 files changed, 65 insertions(+), 26 deletions(-) > > -- > 2.25.4 > > _______________________________________________ > kvmarm mailing list > kvmarm@xxxxxxxxxxxxxxxxxxxxx > https://lists.cs.columbia.edu/mailman/listinfo/kvmarm > Hi Marc, Gentle ping. I'd like to to switch the QEMU code to using the proposed KVM cap, if the cap is accepted. Thanks, drew