Various fixes and improvements to xsave image size calculations. Since v1: * Rebase over exposing XSAVEC. This has highlighted several latent bugs. * Rework the uncompressed size handling. LWP / APX_F make for much sadness.
Be aware that Intel and AMD have different ABIs for the xstate layout. Andrew Cooper (4): x86/hvm: Defer the size calculation in hvm_save_cpu_xsave_states() x86/xstate: Rework xstate_ctxt_size() as xstate_uncompressed_size() x86/cpu-policy: Simplify recalculate_xstate() x86/cpuid: Fix handling of xsave dynamic leaves xen/arch/x86/cpu-policy.c | 55 ++++++--------- xen/arch/x86/cpuid.c | 24 +++---- xen/arch/x86/domctl.c | 2 +- xen/arch/x86/hvm/hvm.c | 12 +++- xen/arch/x86/include/asm/xstate.h | 4 +- xen/arch/x86/xstate.c | 111 ++++++++++++++++++++++++++++-- 6 files changed, 145 insertions(+), 63 deletions(-) -- 2.30.2
