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-rw-r--r--debian/patches/virt-Fix-the-detection-for-Hyper-V-VMs.patch38
1 files changed, 38 insertions, 0 deletions
diff --git a/debian/patches/virt-Fix-the-detection-for-Hyper-V-VMs.patch b/debian/patches/virt-Fix-the-detection-for-Hyper-V-VMs.patch
new file mode 100644
index 0000000..9757987
--- /dev/null
+++ b/debian/patches/virt-Fix-the-detection-for-Hyper-V-VMs.patch
@@ -0,0 +1,38 @@
+From: Boqun Feng <boqun.feng@gmail.com>
+Date: Tue, 23 Nov 2021 15:09:26 +0800
+Subject: virt: Fix the detection for Hyper-V VMs
+
+Use product_version instead of product_name in DMI table and the string
+"Hyper-V" to avoid misdetection.
+
+Fixes: #21468
+
+Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
+(cherry picked from commit 76eec0649936d9ae2f9087769f463feaf0cf5cb4)
+---
+ src/basic/virt.c | 5 +++--
+ 1 file changed, 3 insertions(+), 2 deletions(-)
+
+diff --git a/src/basic/virt.c b/src/basic/virt.c
+index 0d45ee6..54befd9 100644
+--- a/src/basic/virt.c
++++ b/src/basic/virt.c
+@@ -140,7 +140,8 @@ static int detect_vm_dmi(void) {
+ "/sys/class/dmi/id/product_name", /* Test this before sys_vendor to detect KVM over QEMU */
+ "/sys/class/dmi/id/sys_vendor",
+ "/sys/class/dmi/id/board_vendor",
+- "/sys/class/dmi/id/bios_vendor"
++ "/sys/class/dmi/id/bios_vendor",
++ "/sys/class/dmi/id/product_version" /* For Hyper-V VMs test */
+ };
+
+ static const struct {
+@@ -158,7 +159,7 @@ static int detect_vm_dmi(void) {
+ { "Parallels", VIRTUALIZATION_PARALLELS },
+ /* https://wiki.freebsd.org/bhyve */
+ { "BHYVE", VIRTUALIZATION_BHYVE },
+- { "Microsoft", VIRTUALIZATION_MICROSOFT },
++ { "Hyper-V", VIRTUALIZATION_MICROSOFT },
+ };
+ unsigned i;
+ int r;