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Fri, 10 Jan 2025 05:29:05 -0800 (PST) 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 v3 02/12] x86/hvm: Map/unmap xsave area in hvm_save_cpu_ctxt() Date: Fri, 10 Jan 2025 13:28:13 +0000 Message-ID: <20250110132823.24348-3-alejandro.vallejo@cloud.com> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20250110132823.24348-1-alejandro.vallejo@cloud.com> References: <20250110132823.24348-1-alejandro.vallejo@cloud.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @cloud.com) X-ZM-MESSAGEID: 1736515768588116600 Content-Type: text/plain; charset="utf-8" No functional change. Signed-off-by: Alejandro Vallejo Acked-by: Jan Beulich --- v2->v3: * Added A-by v1->v2: * No change --- 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 922c9b3af64d..884b2b9d32cd 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 2.47.1