Re: [PATCH V5 (RESEND) 0/4] arm64/cpufeature: Introduce ID_PFR2, ID_DFR1, ID_MMFR5 and other changes

2020-07-03 Thread Catalin Marinas
On Fri, 3 Jul 2020 09:21:33 +0530, Anshuman Khandual wrote: > These are remaining patches from V4 series which had some pending reviews > from Suzuki (https://patchwork.kernel.org/cover/11557333/). Also dropped > [PATCH 15/17] as that will need some more investigation and rework. > > This series

Re: [PATCH v9 0/2] target/arm: kvm: Support for KVM DABT with no valid ISS

2020-07-03 Thread Peter Maydell
On Mon, 29 Jun 2020 at 12:41, Beata Michalska wrote: > > Some of the ARMv7 & ARMv8 load/store instructions might trigger a data abort > exception with no valid ISS info to be decoded. The lack of decode info > makes it at least tricky to emulate the instruction which is one of the > (many)

Re: [PATCH] kvmtool: arm64: Report missing support for 32bit guests

2020-07-03 Thread Will Deacon
On Wed, 1 Jul 2020 15:20:02 +0100, Suzuki K Poulose wrote: > When the host doesn't support 32bit guests, the kvmtool fails > without a proper message on what is wrong. i.e, > > $ lkvm run -c 1 Image --aarch32 > # lkvm run -k Image -m 256 -c 1 --name guest-105618 > Fatal: Unable to initialise

Re: [PATCH V5 0/4] arm64/cpufeature: Introduce ID_PFR2, ID_DFR1, ID_MMFR5 and other changes

2020-07-03 Thread Anshuman Khandual
On 07/02/2020 11:04 PM, Catalin Marinas wrote: > On Wed, May 27, 2020 at 08:33:35AM +0530, Anshuman Khandual wrote: >> These are remaining patches from V4 series which had some pending reviews >> from Suzuki (https://patchwork.kernel.org/cover/11557333/). Also dropped >> [PATCH 15/17] as that

Re: [kvm-unit-tests PATCH v2 8/8] arm64: microbench: Add vtimer latency test

2020-07-03 Thread Auger Eric
Hi Jingyi, On 7/3/20 9:41 AM, Jingyi Wang wrote: > Hi Eric, Drew, > > On 7/2/2020 9:36 PM, Auger Eric wrote: >> Hi Jingyi, >> >> On 7/2/20 5:01 AM, Jingyi Wang wrote: >>> Trigger PPIs by setting up a 10msec timer and test the latency. >> >> so for each iteration the accumulated valued is 10 ms +

Re: [kvm-unit-tests PATCH v2 8/8] arm64: microbench: Add vtimer latency test

2020-07-03 Thread Jingyi Wang
Hi Eric, Drew, On 7/2/2020 9:36 PM, Auger Eric wrote: Hi Jingyi, On 7/2/20 5:01 AM, Jingyi Wang wrote: Trigger PPIs by setting up a 10msec timer and test the latency. so for each iteration the accumulated valued is 10 ms + latency, right? and what is printed at the end does include the