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From e732bc987f2f779e89f30193bf694e0456ab7ce0 Mon Sep 17 00:00:00 2001
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From: Boqun Feng <boqun.feng@gmail.com>
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Date: Tue, 23 Nov 2021 15:09:26 +0800
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Subject: [PATCH] virt: Fix the detection for Hyper-V VMs
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Use product_version instead of product_name in DMI table and the string
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"Hyper-V" to avoid misdetection.
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Fixes: #21468
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Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
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(cherry picked from commit 76eec0649936d9ae2f9087769f463feaf0cf5cb4)
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Related: #2158307
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---
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src/basic/virt.c | 5 +++--
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1 file changed, 3 insertions(+), 2 deletions(-)
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diff --git a/src/basic/virt.c b/src/basic/virt.c
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index cc95097101..f750a0463f 100644
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--- a/src/basic/virt.c
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+++ b/src/basic/virt.c
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@@ -143,7 +143,8 @@ static int detect_vm_dmi_vendor(void) {
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"/sys/class/dmi/id/product_name", /* Test this before sys_vendor to detect KVM over QEMU */
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"/sys/class/dmi/id/sys_vendor",
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"/sys/class/dmi/id/board_vendor",
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- "/sys/class/dmi/id/bios_vendor"
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+ "/sys/class/dmi/id/bios_vendor",
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+ "/sys/class/dmi/id/product_version" /* For Hyper-V VMs test */
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};
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static const struct {
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@@ -162,7 +163,7 @@ static int detect_vm_dmi_vendor(void) {
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{ "Parallels", VIRTUALIZATION_PARALLELS },
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/* https://wiki.freebsd.org/bhyve */
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{ "BHYVE", VIRTUALIZATION_BHYVE },
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- { "Microsoft", VIRTUALIZATION_MICROSOFT },
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+ { "Hyper-V", VIRTUALIZATION_MICROSOFT },
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};
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unsigned i;
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int r;
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