This structure is shared with hardware in the AMD VMCB. Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com> --- CC: Jan Beulich <jbeul...@suse.com> --- xen/arch/x86/x86_emulate/x86_emulate.c | 6 ++++++ 1 file changed, 6 insertions(+)
diff --git a/xen/arch/x86/x86_emulate/x86_emulate.c b/xen/arch/x86/x86_emulate/x86_emulate.c index 87e84c6..5805d70 100644 --- a/xen/arch/x86/x86_emulate/x86_emulate.c +++ b/xen/arch/x86/x86_emulate/x86_emulate.c @@ -7899,6 +7899,12 @@ static void __init __maybe_unused build_assertions(void) BUILD_BUG_ON(X86_EVENTTYPE_SW_INTERRUPT != 4); BUILD_BUG_ON(X86_EVENTTYPE_PRI_SW_EXCEPTION != 5); BUILD_BUG_ON(X86_EVENTTYPE_SW_EXCEPTION != 6); + + /* Check struct segment_register against the VMCB segment layout. */ + BUILD_BUG_ON(sizeof(struct segment_register) != 16); + BUILD_BUG_ON(offsetof(struct segment_register, attr) != 2); + BUILD_BUG_ON(offsetof(struct segment_register, limit) != 4); + BUILD_BUG_ON(offsetof(struct segment_register, base) != 8); } #ifndef NDEBUG -- 2.1.4 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel