Jason Wang
2022-Sep-23 04:09 UTC
[PATCH v1] vdpa/ifcvf: avoid waste ioremap area of vdpa hot migration
On Fri, Sep 23, 2022 at 11:53 AM Angus Chen <angus.chen at jaguarmicro.com> wrote:> > The array capacity should be queuepair,If this is true, we need a better name for the ifcvf_vring_lm_cfg structure. Thanks> and the queuepairs should > be half of IFCVF_MAX_QUEUES without control queue, > or should be (IFCVF_MAX_QUEUES+1)/2 with the control queue. > So the definition of ifcvf_lm_cfg waste some memory, > and it will waste some ioremap area also. > > Fixes: 2ddae773c93b ("vDPA/ifcvf: detect and use the onboard number of queues directly") > Signed-off-by: Angus Chen <angus.chen at jaguarmicro.com> > --- > drivers/vdpa/ifcvf/ifcvf_base.h | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/vdpa/ifcvf/ifcvf_base.h b/drivers/vdpa/ifcvf/ifcvf_base.h > index f5563f665cc6..563c04f9b7ac 100644 > --- a/drivers/vdpa/ifcvf/ifcvf_base.h > +++ b/drivers/vdpa/ifcvf/ifcvf_base.h > @@ -104,7 +104,7 @@ struct ifcvf_vring_lm_cfg { > > struct ifcvf_lm_cfg { > u8 reserved[IFCVF_LM_RING_STATE_OFFSET]; > - struct ifcvf_vring_lm_cfg vring_lm_cfg[IFCVF_MAX_QUEUES]; > + struct ifcvf_vring_lm_cfg vring_lm_cfg[(IFCVF_MAX_QUEUES+1)/2]; > }; > > struct ifcvf_vdpa_mgmt_dev { > -- > 2.17.1 >