From: Andrew Cooper Date: Fri, 1 Sep 2017 13:14:17 +0000 (+0100) Subject: x86/public: Further corrections to vcpu context comments X-Git-Tag: archive/raspbian/4.11.1-1+rpi1~1^2~66^2~1495 X-Git-Url: https://dgit.raspbian.org/%22http://www.example.com/cgi/%22/%22http:/www.example.com/cgi/%22?a=commitdiff_plain;h=63aeb7f0da8930d4eac71db6b634db0b052f8555;p=xen.git x86/public: Further corrections to vcpu context comments VCPUOP_initialise and DOMCTL_setvcpucontext are not symetric. Signed-off-by: Andrew Cooper Acked-by: Jan Beulich Reviewed-by: Roger Pau Monné --- diff --git a/xen/include/public/arch-x86/xen.h b/xen/include/public/arch-x86/xen.h index 3f68a43c30..ff918310f6 100644 --- a/xen/include/public/arch-x86/xen.h +++ b/xen/include/public/arch-x86/xen.h @@ -162,10 +162,12 @@ typedef uint64_t tsc_timestamp_t; /* RDTSC timestamp */ * The following is all CPU context. Note that the fpu_ctxt block is filled * in by FXSAVE if the CPU has feature FXSR; otherwise FSAVE is used. * - * Also note that when calling DOMCTL_setvcpucontext and VCPUOP_initialise for - * HVM guests, not all information in this structure is updated, the fields - * read include: fpu_ctxt (if VGCT_I387_VALID is set), flags, user_regs and - * debugreg[*]. + * Also note that when calling DOMCTL_setvcpucontext for HVM guests, not all + * information in this structure is updated, the fields read include: fpu_ctxt + * (if VGCT_I387_VALID is set), flags, user_regs and debugreg[*]. + * + * Note: VCPUOP_initialise for HVM guests is non-symetric with + * DOMCTL_setvcpucontext, and uses struct vcpu_hvm_context from hvm/hvm_vcpu.h */ struct vcpu_guest_context { /* FPU registers come first so they can be aligned for FXSAVE/FXRSTOR. */