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kvm: Only include KVM support for supported kernels

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This patch adds a check to ensure that the KVM API provided by the
running kernel is what we are expecting.
This commit is contained in:
Andreas Hansson 2013-10-02 06:08:45 -04:00
parent 2bcced5897
commit 05ed2deda6
1 changed files with 7 additions and 3 deletions
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@ -936,10 +936,14 @@ if not have_fenv:
print "Warning: Header file <fenv.h> not found."
print " This host has no IEEE FP rounding mode control."
# Check if we should enable KVM-based hardware virtualization
have_kvm = conf.CheckHeader('linux/kvm.h', '<>')
# Check if we should enable KVM-based hardware virtualization. The API
# we rely on exists since version 2.6.36 of the kernel, but somehow
# the KVM_API_VERSION does not reflect the change. We test for one of
# the types as a fall back.
have_kvm = conf.CheckHeader('linux/kvm.h', '<>') and \
conf.CheckTypeSize('struct kvm_xsave', '#include <linux/kvm.h>') != 0
if not have_kvm:
print "Info: Header file <linux/kvm.h> not found, " \
print "Info: Compatible header file <linux/kvm.h> not found, " \
"disabling KVM support."
# Check if the requested target ISA is compatible with the host