From: "Steve Wise" <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
To: 'Sagi Grimberg' <sagi-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>,
'Max Gurtovoy' <maxg-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>,
hch-jcswGhMUV9g@public.gmane.org,
dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: RE: [PATCHv1 1/1] IB/iser: Fix sg_tablesize calculation
Date: Mon, 16 Jan 2017 15:17:23 -0600 [thread overview]
Message-ID: <073d01d2703d$ee430010$cac90030$@opengridcomputing.com> (raw)
In-Reply-To: <cd6691fd-11b4-dbf3-3ec4-12ff97bc515a-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>
> > diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c
> b/drivers/infiniband/ulp/iser/iscsi_iser.c
> > index 9104e6b..ff37f19 100644
> > --- a/drivers/infiniband/ulp/iser/iscsi_iser.c
> > +++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
> > @@ -656,7 +656,8 @@ static void iscsi_iser_cleanup_task(struct iscsi_task
*task)
> > * max fastreg page list length.
> > */
>
> Hi Max,
>
> > shost->sg_tablesize = min_t(unsigned short, shost->sg_tablesize,
> > - ib_conn->device->ib_device-
> >attrs.max_fast_reg_page_list_len);
> > + min_t(unsigned int, USHRT_MAX,
> > + ib_conn->device->ib_device-
> >attrs.max_fast_reg_page_list_len));
>
> Hmm, This looks broken since I fixed up mlx5 capability at:
> 911f4331bc87 ("IB/mlx5: Expose correct max_fast_reg_page_list_len")
>
> However, I suspect this assignment should be removed altogether because
> we already take that into account in the address resolution handler,
> there the min statement is for unsigned and casted back to ushrt.
Hey Sagi, where is the code to which you refer? "address resolution handler?"
Thanks,
Steve
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next prev parent reply other threads:[~2017-01-16 21:17 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-16 17:44 [PATCHv1 0/1] fix sg_tablesize calculation in iser Max Gurtovoy
[not found] ` <1484588681-12987-1-git-send-email-maxg-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2017-01-16 17:44 ` [PATCHv1 1/1] IB/iser: Fix sg_tablesize calculation Max Gurtovoy
[not found] ` <1484588681-12987-2-git-send-email-maxg-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2017-01-16 21:03 ` Sagi Grimberg
[not found] ` <cd6691fd-11b4-dbf3-3ec4-12ff97bc515a-NQWnxTmZq1alnMjI0IkVqw@public.gmane.org>
2017-01-16 21:17 ` Steve Wise [this message]
2017-01-16 21:31 ` Sagi Grimberg
2017-01-17 9:57 ` Max Gurtovoy
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