On 4/13/19 5:17 PM, Bjoern Walk wrote:
> <snip/>
>
> This breaks build on S390:
>
> ../../src/util/virhostcpu.c: In function 'virHostCPUGetMSRFromKVM':
> ../../src/util/virhostcpu.c:1267:25: error: field 'header' has incomplete type
> struct kvm_msrs header;
> ^~~~~~
> ../../src/util/virhostcpu.c:1268:30: error: field 'entry' has incomplete type
> struct kvm_msr_entry entry;
> ^~~~~
> ../../src/util/virhostcpu.c:1270:21: error: field name not in record or union initializer
> .header = { .nmsrs = 1 },
> ^
> ../../src/util/virhostcpu.c:1270:21: note: (near initialization for 'msr.header')
> ../../src/util/virhostcpu.c:1271:20: error: field name not in record or union initializer
> .entry = { .index = index },
> ^
> ../../src/util/virhostcpu.c:1271:20: note: (near initialization for 'msr.entry')
> In file included from /usr/include/asm/ioctl.h:1,
> from /usr/include/linux/ioctl.h:5,
> from /usr/include/asm-generic/ioctls.h:5,
> from /usr/include/asm/ioctls.h:7,
> from /usr/include/bits/ioctls.h:23,
> from /usr/include/sys/ioctl.h:26,
> from ../gnulib/lib/sys/ioctl.h:27,
> from ../../src/util/virhostcpu.c:27:
> ../../src/util/virhostcpu.c:1279:19: error: invalid application of 'sizeof' to incomplete type 'struct kvm_msrs'
> if (ioctl(fd, KVM_GET_MSRS, &msr) < 0) {
Yep, it breaks the build on my arm box too. MSRs are specific to x86. I
guess we need to put some more #ifdef-s in. Let me see if I can cook a
patch.
Michal
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