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Mon, 28 Oct 2024 08:50:02 -0700 (PDT) From: Alejandro Vallejo To: xen-devel@lists.xenproject.org Cc: Alejandro Vallejo , Jan Beulich , Andrew Cooper , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= Subject: [PATCH 03/14] x86/hvm: Map/unmap xsave area in hvm_save_cpu_ctxt() Date: Mon, 28 Oct 2024 15:49:21 +0000 Message-ID: <20241028154932.6797-4-alejandro.vallejo@cloud.com> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241028154932.6797-1-alejandro.vallejo@cloud.com> References: <20241028154932.6797-1-alejandro.vallejo@cloud.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @cloud.com) X-ZM-MESSAGEID: 1730130627367116600 Content-Type: text/plain; charset="utf-8" No functional change. Signed-off-by: Alejandro Vallejo --- xen/arch/x86/hvm/hvm.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c index 018d44a08b6b..77b975f07f32 100644 --- a/xen/arch/x86/hvm/hvm.c +++ b/xen/arch/x86/hvm/hvm.c @@ -914,11 +914,11 @@ static int cf_check hvm_save_cpu_ctxt(struct vcpu *v,= hvm_domain_context_t *h) =20 if ( v->fpu_initialised ) { - BUILD_BUG_ON(sizeof(ctxt.fpu_regs) !=3D - sizeof(v->arch.xsave_area->fpu_sse)); - memcpy(ctxt.fpu_regs, &v->arch.xsave_area->fpu_sse, - sizeof(ctxt.fpu_regs)); + const struct xsave_struct *xsave_area =3D vcpu_map_xsave_area(v); =20 + BUILD_BUG_ON(sizeof(ctxt.fpu_regs) !=3D sizeof(xsave_area->fpu_sse= )); + memcpy(ctxt.fpu_regs, &xsave_area->fpu_sse, sizeof(ctxt.fpu_regs)); + vcpu_unmap_xsave_area(v, xsave_area); ctxt.flags =3D XEN_X86_FPU_INITIALISED; } =20 --=20 2.47.0