linux-kernel - Re: [PATCH v3] perf/x86/amd: Don't touch the Host-only bit inside the guest hypervisor

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Date:   Fri, 18 Mar 2022 11:07:57 +0800
From:   Dongli Si <kvmx86@...il.com>
To:     bp@...en8.de
Cc:     acme@...nel.org, alexander.shishkin@...ux.intel.com,
        dave.hansen@...ux.intel.com, hpa@...or.com, joerg.roedel@....com,
        jolsa@...nel.org, kim.phillips@....com, kvmx86@...il.com,
        liam.merwick@...cle.com, linux-kernel@...r.kernel.org,
        linux-perf-users@...r.kernel.org, mark.rutland@....com,
        mingo@...nel.org, namhyung@...nel.org, peterz@...radead.org,
        tglx@...utronix.de, x86@...nel.org
Subject: Re: [PATCH v3] perf/x86/amd: Don't touch the Host-only bit inside the guest hypervisor

On 16/03/2022 18:29, Borislav Petkov wrote:
> What's the point of this "wrapper"?

Hi Borislav, this is just to more clearly test if the current kernel is
running directly on the host.

If this is redundant, I can remove this "wrapper" and resend the patch,
the v4 patch code will be the same as the v1 patch.
 
Thanks,
Dongli