From: Steven Price <steven.price@arm.com> To: Andrew Jones <drjones@redhat.com>, kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu Cc: maz@kernel.org, pbonzini@redhat.com Subject: Re: [PATCH v2 0/6] KVM: arm64: pvtime: Fixes and a new cap Date: Wed, 5 Aug 2020 16:37:20 +0100 [thread overview] Message-ID: <c5dbe385-d0d5-94f5-5e8a-620e439e482b@arm.com> (raw) In-Reply-To: <20200804170604.42662-1-drjones@redhat.com> On 04/08/2020 18:05, 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 Feel free to add my r-b's - the changes all look fine to me. Thanks, Steve > > 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(-) >
WARNING: multiple messages have this Message-ID (diff)
From: Steven Price <steven.price@arm.com> To: Andrew Jones <drjones@redhat.com>, kvm@vger.kernel.org, kvmarm@lists.cs.columbia.edu Cc: maz@kernel.org, pbonzini@redhat.com Subject: Re: [PATCH v2 0/6] KVM: arm64: pvtime: Fixes and a new cap Date: Wed, 5 Aug 2020 16:37:20 +0100 [thread overview] Message-ID: <c5dbe385-d0d5-94f5-5e8a-620e439e482b@arm.com> (raw) In-Reply-To: <20200804170604.42662-1-drjones@redhat.com> On 04/08/2020 18:05, 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 Feel free to add my r-b's - the changes all look fine to me. Thanks, Steve > > 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(-) > _______________________________________________ kvmarm mailing list kvmarm@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
next prev parent reply other threads:[~2020-08-05 19:58 UTC|newest] Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-08-04 17:05 [PATCH v2 0/6] KVM: arm64: pvtime: Fixes and a new cap Andrew Jones 2020-08-04 17:05 ` Andrew Jones 2020-08-04 17:05 ` [PATCH v2 1/6] KVM: arm64: pvtime: steal-time is only supported when configured Andrew Jones 2020-08-04 17:05 ` Andrew Jones 2020-08-04 17:06 ` [PATCH v2 2/6] KVM: arm64: pvtime: Fix potential loss of stolen time Andrew Jones 2020-08-04 17:06 ` Andrew Jones 2020-08-04 17:06 ` [PATCH v2 3/6] KVM: arm64: Drop type input from kvm_put_guest Andrew Jones 2020-08-04 17:06 ` Andrew Jones 2020-08-04 17:06 ` [PATCH v2 4/6] KVM: arm64: pvtime: Fix stolen time accounting across migration Andrew Jones 2020-08-04 17:06 ` Andrew Jones 2020-08-04 17:06 ` [PATCH v2 5/6] KVM: Documentation: Minor fixups Andrew Jones 2020-08-04 17:06 ` Andrew Jones 2020-08-04 17:06 ` [PATCH v2 6/6] arm64/x86: KVM: Introduce steal-time cap Andrew Jones 2020-08-04 17:06 ` Andrew Jones 2020-08-05 15:37 ` Steven Price [this message] 2020-08-05 15:37 ` [PATCH v2 0/6] KVM: arm64: pvtime: Fixes and a new cap Steven Price 2020-08-19 12:50 ` Andrew Jones 2020-08-19 12:50 ` Andrew Jones 2020-08-21 13:04 ` Marc Zyngier 2020-08-21 13:04 ` Marc Zyngier
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