* [PATCH] x86/hyperv/vtl: Add noop for realmode pointers
@ 2023-05-06 14:08 Saurabh Sengar
2023-05-06 14:10 ` Saurabh Singh Sengar
0 siblings, 1 reply; 2+ messages in thread
From: Saurabh Sengar @ 2023-05-06 14:08 UTC (permalink / raw)
To: stable; +Cc: ssengar
Assign the realmode pointers to noop, instead of NULL which fixes
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
^ permalink raw reply related [flat|nested] 2+ messages in thread
* RE: [PATCH] x86/hyperv/vtl: Add noop for realmode pointers
2023-05-06 14:08 [PATCH] x86/hyperv/vtl: Add noop for realmode pointers Saurabh Sengar
@ 2023-05-06 14:10 ` Saurabh Singh Sengar
0 siblings, 0 replies; 2+ messages in thread
From: Saurabh Singh Sengar @ 2023-05-06 14:10 UTC (permalink / raw)
To: Saurabh Sengar, stable@vger.kernel.org
Please ignore this patch, sent by mistake.
> -----Original Message-----
> From: Saurabh Sengar <ssengar@linux.microsoft.com>
> Sent: Saturday, May 6, 2023 7:39 PM
> To: stable@vger.kernel.org
> Cc: ssengar@linux.microsoft.com
> Subject: [PATCH] x86/hyperv/vtl: Add noop for realmode pointers
>
> Assign the realmode pointers to noop, instead of NULL which fixes 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
^ permalink raw reply [flat|nested] 2+ messages in thread
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