From: Josh Triplett <josh@joshtriplett.org>
To: Maxim Levitsky <mlevitsk@redhat.com>
Cc: Sandipan Das <sandipan.das@amd.com>,
dongli.zhang@oracle.com, linux-perf-users@vger.kernel.org,
x86@kernel.org, kvm@vger.kernel.org
Subject: Re: Small question about reserved bits in MSR_AMD64_PERF_CNTR_GLOBAL_STATUS_CLR
Date: Mon, 11 Nov 2024 08:57:06 -0800 [thread overview]
Message-ID: <ZzI3YrmTjbFZ0Lfz@localhost> (raw)
In-Reply-To: <36f601823359ed6d694d42c6c79e11a0403b0da3.camel@redhat.com>
On Tue, Sep 17, 2024 at 08:54:04AM -0400, Maxim Levitsky wrote:
> I also tested on bare metal Zen4 system just now, and I also see that MSR 0xc0000302 can be set
> to any value.
>
> So this is a hypervisor bug, I'll report it to AWS.
Have you gotten any response from AWS? I'm still seeing this bug on
current c7a instances.
- Josh Triplett
prev parent reply other threads:[~2024-11-11 16:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-16 18:54 Small question about reserved bits in MSR_AMD64_PERF_CNTR_GLOBAL_STATUS_CLR Maxim Levitsky
2024-09-16 20:41 ` dongli.zhang
2024-09-17 5:52 ` Sandipan Das
2024-09-17 12:54 ` Maxim Levitsky
2024-11-11 16:57 ` Josh Triplett [this message]
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