From: Saurabh Sengar <ssengar@linux.microsoft.com>
To: tglx@linutronix.de, mingo@redhat.com, bp@alien8.de,
dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com,
kys@microsoft.com, haiyangz@microsoft.com, wei.liu@kernel.org,
decui@microsoft.com, mikelley@microsoft.com,
ssengar@microsoft.com, linux-kernel@vger.kernel.org,
linux-hyperv@vger.kernel.org
Subject: [PATCH] x86/hyperv/vtl: Add noop for realmode pointers
Date: Mon, 24 Apr 2023 03:10:16 -0700 [thread overview]
Message-ID: <1682331016-22561-1-git-send-email-ssengar@linux.microsoft.com> (raw)
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
next reply other threads:[~2023-04-24 10:10 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-24 10:10 Saurabh Sengar [this message]
2023-05-01 16:57 ` [PATCH] x86/hyperv/vtl: Add noop for realmode pointers Michael Kelley (LINUX)
2023-05-08 16:47 ` Wei Liu
-- strict thread matches above, loose matches on Subject: below --
2023-05-06 14:08 Saurabh Sengar
2023-05-06 14:10 ` Saurabh Singh Sengar
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