30 lines
1.0 KiB
Diff
30 lines
1.0 KiB
Diff
From a8411389dffc3c55dc5809d2e849b3afac94ee5d Mon Sep 17 00:00:00 2001
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From: Alexander Boettcher <alexander.boettcher@genode-labs.com>
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Date: Fri, 12 Apr 2019 13:53:24 +0200
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Subject: [PATCH 15/15] VMX: disable event injection if requested by VMM
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---
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kernel/fiasco/src/kern/ia32/vm_vmx.cpp | 6 ++++++
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1 file changed, 6 insertions(+)
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diff --git a/kernel/fiasco/src/kern/ia32/vm_vmx.cpp b/kernel/fiasco/src/kern/ia32/vm_vmx.cpp
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index 7de4110f..44483b48 100644
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--- a/kernel/fiasco/src/kern/ia32/vm_vmx.cpp
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+++ b/kernel/fiasco/src/kern/ia32/vm_vmx.cpp
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@@ -306,6 +306,12 @@ Vm_vmx_t<X>::load_guest_state(Cpu_number cpu, void *src)
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Vmx::vmwrite(Vmx::F_entry_int_info, irq_info);
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}
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+ else
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+ {
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+ // switch off event injection if requested but still pending in hw
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+ if (Vmx::vmread<Mword>(Vmx::F_entry_int_info) & (1UL << 31))
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+ Vmx::vmwrite(Vmx::F_entry_int_info, irq_info);
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+ }
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// hm, we have to check for sanitizing the cr0 and cr4 shadow stuff
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load(0x6000, 0x6006, src);
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--
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2.11.0
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