Hi,
We found against latest kvm commit, 2c775aece4cb3a05aa5dc8b9966b39a959252dcd,
kvm failed to compile with CONFIG_DMAR=y.
The error is like following:
[r...@kvm-build kernel]# make
rm -f include/asm include-compat/asm
ln -sf asm-x86 include/asm
ln -sf asm-x86 include-compat/asm
make -j20 -C /lib/modules/2.6.28-rc6/build M=`pwd` \
LINUXINCLUDE="-I`pwd`/include -Iinclude \
\
-Iarch/x86/include -I`pwd`/include-compat \
-include include/linux/autoconf.h \
-include `pwd`/x86/external-module-compat.h "
make[1]: Entering directory `/mnt/sdb1/kernel/src/redhat/BUILD/kernel-2.6.28rc6'
make[3]: *** No rule to make target
`/workspace/ia32e/nightly/kvm-master-2.6.28-rc6-20090105091035882/kvm-userspace/kernel/x86/vtd.o',
needed by
`/workspace/ia32e/nightly/kvm-master-2.6.28-rc6-20090105091035882/kvm-userspace/kernel/x86/kvm.o'.
Stop.
make[2]: ***
[/workspace/ia32e/nightly/kvm-master-2.6.28-rc6-20090105091035882/kvm-userspace/kernel/x86]
Error 2
make[1]: ***
[_module_/workspace/ia32e/nightly/kvm-master-2.6.28-rc6-20090105091035882/kvm-userspace/kernel]
Error 2
make[1]: Leaving directory `/mnt/sdb1/kernel/src/redhat/BUILD/kernel-2.6.28rc6'
make: *** [all] Error 2
My host kernel is 2.6.28-rc6. After setting CONFIG_DMAR=n, kvm compile is OK.
So does anyone know how to enable VT-d in latest kvm?
Best Regards
Jiajun--
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