From: Wei Liu <wei.liu@kernel.org>
To: "Michael Kelley (LINUX)" <mikelley@microsoft.com>
Cc: Saurabh Sengar <ssengar@linux.microsoft.com>,
"tglx@linutronix.de" <tglx@linutronix.de>,
"mingo@redhat.com" <mingo@redhat.com>,
"bp@alien8.de" <bp@alien8.de>,
"dave.hansen@linux.intel.com" <dave.hansen@linux.intel.com>,
"x86@kernel.org" <x86@kernel.org>,
"hpa@zytor.com" <hpa@zytor.com>,
KY Srinivasan <kys@microsoft.com>,
Haiyang Zhang <haiyangz@microsoft.com>,
"wei.liu@kernel.org" <wei.liu@kernel.org>,
Dexuan Cui <decui@microsoft.com>,
Saurabh Singh Sengar <ssengar@microsoft.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-hyperv@vger.kernel.org" <linux-hyperv@vger.kernel.org>
Subject: Re: [PATCH] x86/hyperv/vtl: Add noop for realmode pointers
Date: Mon, 8 May 2023 16:47:02 +0000 [thread overview]
Message-ID: <ZFknhiprxZUC5Bo7@liuwe-devbox-debian-v2> (raw)
In-Reply-To: <BYAPR21MB168833D41D1214DE3892874CD76E9@BYAPR21MB1688.namprd21.prod.outlook.com>
On Mon, May 01, 2023 at 04:57:56PM +0000, Michael Kelley (LINUX) wrote:
> From: Saurabh Sengar <ssengar@linux.microsoft.com> Sent: Monday, April 24, 2023 3:10 AM
> >
> > Assign the realmode pointers to noop, instead of NULL to fix kernel panic.
> >
> > Signed-off-by: Saurabh Sengar <ssengar@linux.microsoft.com>
> > ---
> > arch/x86/hyperv/hv_vtl.c | 2 ++
> > 1 file changed, 2 insertions(+)
> >
> > diff --git a/arch/x86/hyperv/hv_vtl.c b/arch/x86/hyperv/hv_vtl.c
> > index 1ba5d3b99b16..85d38b9f3586 100644
> > --- a/arch/x86/hyperv/hv_vtl.c
> > +++ b/arch/x86/hyperv/hv_vtl.c
> > @@ -20,6 +20,8 @@ void __init hv_vtl_init_platform(void)
> > {
> > pr_info("Linux runs in Hyper-V Virtual Trust Level\n");
> >
> > + x86_platform.realmode_reserve = x86_init_noop;
> > + x86_platform.realmode_init = x86_init_noop;
> > x86_init.irqs.pre_vector_init = x86_init_noop;
> > x86_init.timers.timer_init = x86_init_noop;
> >
> > --
> > 2.34.1
>
> Reviewed-by: Michael Kelley <mikelley@microsoft.com>
>
Applied to hyperv-fixes. Thanks.
prev parent reply other threads:[~2023-05-08 16:47 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-24 10:10 [PATCH] x86/hyperv/vtl: Add noop for realmode pointers Saurabh Sengar
2023-05-01 16:57 ` Michael Kelley (LINUX)
2023-05-08 16:47 ` Wei Liu [this message]
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