From cb6aeeb69af06b09e687fbef4da36a81c36b4994 Mon Sep 17 00:00:00 2001 From: Saurabh Sengar Date: Mon, 24 Apr 2023 03:10:16 -0700 Subject: [PATCH] x86/hyperv/vtl: Add noop for realmode pointers Assign the realmode pointers to noop, instead of NULL to fix kernel panic. Signed-off-by: Saurabh Sengar Reviewed-by: Michael Kelley Link: https://lore.kernel.org/r/1682331016-22561-1-git-send-email-ssengar@linux.microsoft.com Signed-off-by: Wei Liu --- 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;