On Tue, 1 Feb 2022 at 18:02, Pierre Gondois <pierre.gond...@arm.com> wrote:
>
>
>
> On 2/1/22 5:56 PM, Ard Biesheuvel wrote:
> > On Tue, 1 Feb 2022 at 17:56, Ard Biesheuvel <a...@kernel.org> wrote:
> >>
> >> On Tue, 1 Feb 2022 at 17:55, Pierre Gondois <pierre.gond...@arm.com> wrote:
> >>>
> >>> Hi Rebecca,
> >>>
> >>> On 1/31/22 4:21 PM, Sami Mujawar wrote:
> >>>> Hi Rebecca,
> >>>>
> >>>> Thanks for catching this.
> >>>>
> >>>> I think we also need to adda check in Acpiview to report this issue.
> >>>> However,
> >>>> that would be another patch series.
> >>>>
> >>>> Regards,
> >>>>
> >>>> Sami Mujawar
> >>>>
> >>>> *From: *Rebecca Cran <quic_rc...@quicinc.com>
> >>>> *Date: *Monday, 31 January 2022 at 15:17
> >>>> *To: *devel@edk2.groups.io <devel@edk2.groups.io>, Pierre Gondois
> >>>> <pierre.gond...@arm.com>
> >>>> *Cc: *Ard Biesheuvel <ardb+tianoc...@kernel.org>, Sami Mujawar
> >>>> <sami.muja...@arm.com>
> >>>> *Subject: *Re: [edk2-devel] [PATCH v3 5/8] ArmVirtPkg/Kvmtool: Add DSDT
> >>>> ACPI table
> >>>>
> >>>> On 1/28/22 08:41, PierreGondois wrote:
> >>>>
> >>>>> + Differentiated System Description Table Fields (DSDT)
> >>>>> +
> >>>>> + Copyright (c) 2021 - 2022, ARM Ltd. All rights reserved.<BR>
> >>>>> + SPDX-License-Identifier: BSD-2-Clause-Patent
> >>>>> +
> >>>>> +**/
> >>>>> +
> >>>>> +DefinitionBlock ("DsdtTable.aml", "DSDT", 1, "ARMLTD", "ARM-KVMT", 1) {
> >>>>
> >>>> The Revision field should probably be 2, not 1. ACPI 6.4 says:
> >>>>
> >>>>
> >>>> 2. This field also sets the global integer width for the AML
> >>>> interpreter. Values less than two will cause the inter-
> >>>> preter to use 32-bit integers and math. Values of two
> >>>> and greater will cause the interpreter to use full 64-bit
> >>>> integers and math.
> >>>>
> >>>> --
> >>>> Rebecca Cran
> >>>>
> >>>
> >>> Yes indeed. I forgot to add it in the v4... I will send a v5.
> >>
> >> Please give me a minute before sending another version.
> >>
> >> I am still seeing
> >
> > No ACPI PMU IRQ for CPU26
> >
> > errors and I am trying to figure out why.
> >
>
> There is a --pmu option in kvmtool, we are not populating pmu
> interrupts if kvmtool doesn't receive this option. Maybe this is it ?
Yes you are right.
So this is all looking fine now - I tested booting Linux with
pci=nomsi, and the legacy interrupts are level and working as
expected.
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