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| author | Stefan Hajnoczi <stefanha@redhat.com> | 2018-06-14 17:44:31 +0100 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2018-06-27 13:01:40 +0100 |
| commit | f18793b096e69c7acfce66cded483ba9fc01762a (patch) | |
| tree | e7cd11a399bfd2f38f81d3c60a010b6a060927d4 /target/i386/kvm.c | |
| parent | 00928a421d47f49691cace1207481b7aad31b1f1 (diff) | |
| download | qemu-f18793b096e69c7acfce66cded483ba9fc01762a.zip qemu-f18793b096e69c7acfce66cded483ba9fc01762a.tar.gz qemu-f18793b096e69c7acfce66cded483ba9fc01762a.tar.bz2 | |
compiler: add a sizeof_field() macro
Determining the size of a field is useful when you don't have a struct
variable handy. Open-coding this is ugly.
This patch adds the sizeof_field() macro, which is similar to
typeof_field(). Existing instances are updated to use the macro.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: 20180614164431.29305-1-stefanha@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'target/i386/kvm.c')
| -rw-r--r-- | target/i386/kvm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/target/i386/kvm.c b/target/i386/kvm.c index 2d174f3..5116a8a 100644 --- a/target/i386/kvm.c +++ b/target/i386/kvm.c @@ -1533,7 +1533,7 @@ static int kvm_put_fpu(X86CPU *cpu) #define XSAVE_PKRU 672 #define XSAVE_BYTE_OFFSET(word_offset) \ - ((word_offset) * sizeof(((struct kvm_xsave *)0)->region[0])) + ((word_offset) * sizeof_field(struct kvm_xsave, region[0])) #define ASSERT_OFFSET(word_offset, field) \ QEMU_BUILD_BUG_ON(XSAVE_BYTE_OFFSET(word_offset) != \ |