linux-kernel - Re: [PATCH] KVM: arm64: nv: Set ISTATUS for emulated timers, If timer expired

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <4a9fbdd9-ad23-44bc-8ba5-399f08068db4@redhat.com>
Date: Tue, 14 Jan 2025 15:57:43 +0100
From: Eric Auger <eauger@...hat.com>
To: Marc Zyngier <maz@...nel.org>
Cc: Ganapatrao Kulkarni <gankulkarni@...amperecomputing.com>,
 kvmarm <kvmarm@...ts.linux.dev>, linux-arm-kernel@...ts.infradead.org,
 linux-kernel@...r.kernel.org, oliver.upton@...ux.dev,
 christoffer.dall@....com, suzuki.poulose@....com, will@...nel.org,
 catalin.marinas@....com, coltonlewis@...gle.com, joey.gouly@....com,
 yuzenghui@...wei.com, darren@...amperecomputing.com,
 vishnu@...amperecomputing.com
Subject: Re: [PATCH] KVM: arm64: nv: Set ISTATUS for emulated timers, If timer
 expired

Hi Marc,

On 1/14/25 3:38 PM, Marc Zyngier wrote:
> Hi Eric,
> 
> On Tue, 14 Jan 2025 13:12:21 +0000,
> Eric Auger <eauger@...hat.com> wrote:
>>
>> I also confirm that using a mailine edk2 fixed the issues I faced
>> previously (fed/rhel L1 guest not booting).
>>
>> I used Marc's nv-next branch and qemu rebase.
> 
> When did you sample this branch? It is almost daily rebased at the
> moment, given that we keep piling up things in kvmarm/next.
5 days ago.

If you want me to test a specific branch, please let me know, esp. in
the context of latest series including

[PATCH v2 00/17] KVM: arm64: Add NV GICv3 support
> 
>> With a rhel L1 guest I can now boot buildroot, debian and rhel guest as
>> L2 (feat mainline edk2). For rhel, I tested different kinds of page size
>> combinations for L1/L2 (4k and 64kB) and it worked.
>>
>> I tested on AmpereOne and Grace-Hopper systems
> 
> Thanks for the confirmation. I haven't had a chance to try QEMU yet,
> but I expect that save/restore will not work. Something to look into,
I have not tested this yet.I will give it a try.

Eric
> I guess.
> 
> 	M.
>