| Message ID | 20240809083148.1989912-5-liujian56@huawei.com (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | Make SMC-R can work with rxe devices | expand |
在 2024/8/9 16:31, Liu Jian 写道: > Same with commit e375b9c92985 ("RDMA/cxgb4: Set queue pair state when > being queried"). The API for ib_query_qp requires the driver to set > cur_qp_state on return, add the missing set. > Add the following? Cc: stable@vger.kernel.org > Fixes: 8700e3e7c485 ("Soft RoCE driver") > Signed-off-by: Liu Jian <liujian56@huawei.com> > --- > drivers/infiniband/sw/rxe/rxe_verbs.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c > index 5c18f7e342f2..699b4b315336 100644 > --- a/drivers/infiniband/sw/rxe/rxe_verbs.c > +++ b/drivers/infiniband/sw/rxe/rxe_verbs.c > @@ -634,6 +634,8 @@ static int rxe_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, > rxe_qp_to_init(qp, init); > rxe_qp_to_attr(qp, attr, mask); > > + attr->cur_qp_state = qp->attr.qp_state; I am fine with this commit. But I think this "attr->cur_qp_state = qp->attr.qp_state;" should be put into this function rxe_qp_to_attr. And the access to qp->attr.qp_state should be protected by spin lock qp->state_lock. So the following is better. Any way, thanks. Reviewed-by: Zhu Yanjun <yanjun.zhu@linux.dev> diff --git a/drivers/infiniband/sw/rxe/rxe_qp.c b/drivers/infiniband/sw/rxe/rxe_qp.c index d2f7b5195c19..da723b9690e5 100644 --- a/drivers/infiniband/sw/rxe/rxe_qp.c +++ b/drivers/infiniband/sw/rxe/rxe_qp.c @@ -782,6 +782,10 @@ int rxe_qp_to_attr(struct rxe_qp *qp, struct ib_qp_attr *attr, int mask) spin_unlock_irqrestore(&qp->state_lock, flags); } + spin_lock_irqsave(&qp->state_lock, flags); + attr->cur_qp_state = qp_state(qp); + spin_unlock_irqrestore(&qp->state_lock, flags); + return 0; } Best Regards, Zhu Yanjun > + > return 0; > } >
On Fri, Aug 09, 2024 at 07:06:34PM +0800, Zhu Yanjun wrote: > 在 2024/8/9 16:31, Liu Jian 写道: > > Same with commit e375b9c92985 ("RDMA/cxgb4: Set queue pair state when > > being queried"). The API for ib_query_qp requires the driver to set > > cur_qp_state on return, add the missing set. > > > > Add the following? > Cc: stable@vger.kernel.org There is no need to add stable tag for RXE driver. Distros are not supporting this driver, which is used for development and not for production. Thanks > > > Fixes: 8700e3e7c485 ("Soft RoCE driver") > > Signed-off-by: Liu Jian <liujian56@huawei.com> > > --- > > drivers/infiniband/sw/rxe/rxe_verbs.c | 2 ++ > > 1 file changed, 2 insertions(+)
在 2024/8/11 18:22, Zhu Yanjun 写道: > > > 在 2024/8/11 16:31, Leon Romanovsky 写道: >> On Fri, Aug 09, 2024 at 07:06:34PM +0800, Zhu Yanjun wrote: >>> 在 2024/8/9 16:31, Liu Jian 写道: >>>> Same with commit e375b9c92985 ("RDMA/cxgb4: Set queue pair state when >>>> being queried"). The API for ib_query_qp requires the driver to set >>>> cur_qp_state on return, add the missing set. >>>> >>> Add the following? >>> Cc:stable@vger.kernel.org >> There is no need to add stable tag for RXE driver. Distros are not >> supporting this driver, which is used for development and not for >> production. > > I do not mean that this driver is supported in Distros. > > I mean that QP cur_qp_state is not set when being queried in rxe. In > other rdma drivers, this is set. > > This should be a problem in RXE. So I suggest to add "CC: > stable@vger.kernel.org". > > As such, the stable branch will backport this commit to fix this > problem in RXE. > Sorry. My mistakes. No need to add this "CC: stable@vger.kernel.org" Zhu Yanjun > Anyway, thanks a lot for your reporting and fixing this problem in RXE. > > Best Regards, > > Zhu Yanjun > >> Thanks >> >>>> Fixes: 8700e3e7c485 ("Soft RoCE driver") >>>> Signed-off-by: Liu Jian<liujian56@huawei.com> >>>> --- >>>> drivers/infiniband/sw/rxe/rxe_verbs.c | 2 ++ >>>> 1 file changed, 2 insertions(+) > -- > Best Regards, > Yanjun.Zhu
diff --git a/drivers/infiniband/sw/rxe/rxe_verbs.c b/drivers/infiniband/sw/rxe/rxe_verbs.c index 5c18f7e342f2..699b4b315336 100644 --- a/drivers/infiniband/sw/rxe/rxe_verbs.c +++ b/drivers/infiniband/sw/rxe/rxe_verbs.c @@ -634,6 +634,8 @@ static int rxe_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr, rxe_qp_to_init(qp, init); rxe_qp_to_attr(qp, attr, mask); + attr->cur_qp_state = qp->attr.qp_state; + return 0; }
Same with commit e375b9c92985 ("RDMA/cxgb4: Set queue pair state when being queried"). The API for ib_query_qp requires the driver to set cur_qp_state on return, add the missing set. Fixes: 8700e3e7c485 ("Soft RoCE driver") Signed-off-by: Liu Jian <liujian56@huawei.com> --- drivers/infiniband/sw/rxe/rxe_verbs.c | 2 ++ 1 file changed, 2 insertions(+)