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home:yukoff:openSUSE:Leap:42.1:Backports
systemd.4328
0001-systemd-detect-virt-detect-s390-virtualiza...
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File 0001-systemd-detect-virt-detect-s390-virtualization.patch of Package systemd.4328
From f41925b4e442a34c93ad120ef1426c974a047ed1 Mon Sep 17 00:00:00 2001 From: Thomas Blume <Thomas.Blume@suse.com> Date: Fri, 18 Jul 2014 09:13:36 -0400 Subject: [PATCH] systemd-detect-virt: detect s390 virtualization A system that is running on a logical partition (LPAR) provided by PR/SM has access to physical hardware (except CPU). It is true that PR/SM abstracts the hardware, but only for sharing purposes. Details are statet at: http://publib.boulder.ibm.com/infocenter/eserver/v1r2/topic/eicaz/eicazzlpar.htm -->-- In other words, PR/SM transforms physical resources into virtual resources so that many logical partitions can share the same physical resources. --<-- Still, from the OS point of view, the shared virtual resource is real hardware. ConditionVirtualization must be set to false if the OS runs directly on PR/SM (e.g. in an LPAR). [zj: reorder code so that variables are not allocated when #if-def is false. Add commit message.] --- man/systemd.unit.xml | 1 + src/shared/virt.c | 17 +++++++++++++++++ 2 files changed, 18 insertions(+) diff --git man/systemd.unit.xml man/systemd.unit.xml index 6447584..86a8cbb 100644 --- man/systemd.unit.xml +++ man/systemd.unit.xml @@ -996,6 +996,7 @@ virtualization solution, or one of <varname>qemu</varname>, <varname>kvm</varname>, + <varname>zvm</varname>, <varname>vmware</varname>, <varname>microsoft</varname>, <varname>oracle</varname>, diff --git src/shared/virt.c src/shared/virt.c index 20a8d7c..b436895 100644 --- src/shared/virt.c +++ src/shared/virt.c @@ -220,6 +220,23 @@ int detect_vm(const char **id) { goto finish; } +#if defined(__s390__) + { + _cleanup_free_ char *t = NULL; + + r = get_status_field("/proc/sysinfo", "VM00 Control Program:", &t); + if (r >= 0) { + if (streq(t, "z/VM")) + _id = "zvm"; + else + _id = "kvm"; + r = 1; + + goto finish; + } + } +#endif + r = 0; finish: -- 1.7.9.2
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