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x86/hyperv/vtl: Add noop for realmode pointers

PATCH In review Saurabh Sengar 2 participants 2 messages May 6, 2023

Subsystems (3)
Stable branch x86 Hyper-V/Azure core and drivers
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Saurabh Sengar

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#0 lore raw

PATCH 1/1 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 <[email protected]>
---
 arch/x86/hyperv/hv_vtl.c | 2 ++
 1 file changed, 2 insertions(+)
arch/x86/hyperv/hv_vtl.c +2 -0
index 1ba5d3b99b16..85d38b9f3586 100644
@@ -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;
Signature · 1 line
2.34.1
#1 lore raw

Please ignore this patch, sent by mistake.

Quoted 28 lines

-----Original Message-----
From: Saurabh Sengar <[email protected]>
Sent: Saturday, May 6, 2023 7:39 PM
To: [email protected]
Cc: [email protected]
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 <[email protected]>
---
 arch/x86/hyperv/hv_vtl.c | 2 ++
 1 file changed, 2 insertions(+)
arch/x86/hyperv/hv_vtl.c index renamed from arch/x86/hyperv/hv_vtl.c +0 -0

1ba5d3b99b16..85d38b9f3586 100644

arch/x86/hyperv/hv_vtl.c +2 -1
@@ -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