ryantimwilson / rpms / systemd

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From 795d7cadb7b49ae11e2544ce325779f8d5ec7526 Mon Sep 17 00:00:00 2001
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From: Andrew Jones <drjones@redhat.com>
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Date: Mon, 9 Nov 2015 14:29:09 +0100
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Subject: [PATCH] detect-virt: dmi: look for KVM
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Some guests (ARM, AArch64, x86-RHEL) have 'KVM' in the product name.
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Look for that first in order to more precisely report "kvm" when
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detecting a QEMU/KVM guest. Without this patch we report "qemu",
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even if KVM acceleration is in use on ARM/AArch64 guests.
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I've only tested a backported version of this and the previous
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patch on an AArch64 guest (which worked). Of course it would be
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nice to get regression testing on all guest types that depend on
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dmi done.
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Cherry-picked from: 3728dcde4542b7b2792d9ef0baeb742d82983b03
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Resolves: #1278165
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---
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 src/shared/virt.c | 2 ++
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 1 file changed, 2 insertions(+)
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diff --git a/src/shared/virt.c b/src/shared/virt.c
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index d3ce8dda7f..55a6ca90fb 100644
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--- a/src/shared/virt.c
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+++ b/src/shared/virt.c
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@@ -142,12 +142,14 @@ static int detect_vm_dmi(const char **_id) {
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 #if defined(__i386__) || defined(__x86_64__) || defined(__arm__) || defined(__aarch64__)
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         static const char *const dmi_vendors[] = {
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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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         };
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         static const char dmi_vendor_table[] =
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+                "KVM\0"                   "kvm\0"
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                 "QEMU\0"                  "qemu\0"
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                 /* http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1009458 */
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                 "VMware\0"                "vmware\0"