From 6b0ac9a4e239d00d5e07f0313903b88b08d39452 Mon Sep 17 00:00:00 2001 From: Andrew Cooper Date: Thu, 4 Mar 2021 10:36:21 +0000 Subject: [PATCH] xen/dmop: Fix XEN_DMOP_nr_vcpus to actually return data MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit The const_op boolean needs clobbering to cause data to be written back to the caller. Fixes: c4441ab1f1 ("dmop: Add XEN_DMOP_nr_vcpus") Signed-off-by: Andrew Cooper Reviewed-by: Roger Pau Monné Release-Acked-by: Ian Jackson --- xen/arch/arm/dm.c | 1 + xen/arch/x86/hvm/dm.c | 1 + 2 files changed, 2 insertions(+) diff --git a/xen/arch/arm/dm.c b/xen/arch/arm/dm.c index d689e336fd..1b3fd6bc7d 100644 --- a/xen/arch/arm/dm.c +++ b/xen/arch/arm/dm.c @@ -128,6 +128,7 @@ int dm_op(const struct dmop_args *op_args) struct xen_dm_op_nr_vcpus *data = &op.u.nr_vcpus; data->vcpus = d->max_vcpus; + const_op = false; rc = 0; break; } diff --git a/xen/arch/x86/hvm/dm.c b/xen/arch/x86/hvm/dm.c index f4f0910463..b60b9f3364 100644 --- a/xen/arch/x86/hvm/dm.c +++ b/xen/arch/x86/hvm/dm.c @@ -612,6 +612,7 @@ int dm_op(const struct dmop_args *op_args) struct xen_dm_op_nr_vcpus *data = &op.u.nr_vcpus; data->vcpus = d->max_vcpus; + const_op = false; rc = 0; break; } -- 2.39.5