On Thu, Sep 22, 2022 at 06:07:58PM +0800, Zhu, Lingshan wrote: > > > On 9/22/2022 5:06 PM, Michael S. Tsirkin wrote: > > On Thu, Sep 22, 2022 at 08:55:26AM +0000, Angus Chen wrote: > > > >From 4f65eae86ab15d7abb8bd30401187cb195dfd27b Mon Sep 17 00:00:00 2001 > > > From: "angus.chen" <[email protected]> > > > Date: Thu, 22 Sep 2022 14:47:28 +0800 > > > Subject: [PATCH] vDPA/ifcvf: fix the Calculation of queuepair > > > > > > The queuepair should be divided by 2 > > > > this is just repeating what the patch does. > > can you include more info pls? > > > > Documentation/process/5.Posting.rst says among other things: > > > > To that end, the summary line should describe the effects of and motivation > > for the change as well as possible given the one-line constraint. The > > detailed description can then amplify on those topics and provide any > > needed additional information. If the patch fixes a bug, cite the commit > > which introduced the bug if possible (and please provide both the commit ID > > and the title when citing commits). If a problem is associated with > > specific log or compiler output, include that output to help others > > searching for a solution to the same problem. If the change is meant to > > support other changes coming in later patch, say so. If internal APIs are > > changed, detail those changes and how other developers should respond. In > > general, the more you can put yourself into the shoes of everybody who will > > be reading your changelog, the better that changelog (and the kernel as a > > whole) will be. > > > > > > > Signed-off-by: angus.chen <[email protected]> > > Format should be > > > > Angus Chen <[email protected]> > > > > Also pls drop leading space. > > > > > > > --- > > > drivers/vdpa/ifcvf/ifcvf_base.c | 4 ++-- > > > 1 file changed, 2 insertions(+), 2 deletions(-) > > > > > > diff --git a/drivers/vdpa/ifcvf/ifcvf_base.c > > > b/drivers/vdpa/ifcvf/ifcvf_base.c > > > index 75a703b803a2..3e4486bfa0b7 100644 > > > --- a/drivers/vdpa/ifcvf/ifcvf_base.c > > > +++ b/drivers/vdpa/ifcvf/ifcvf_base.c > > > @@ -323,7 +323,7 @@ u16 ifcvf_get_vq_state(struct ifcvf_hw *hw, u16 qid) > > > u32 q_pair_id; > > > > > > ifcvf_lm = (struct ifcvf_lm_cfg __iomem *)hw->lm_cfg; > > > - q_pair_id = qid / hw->nr_vring; > > > + q_pair_id = qid / 2; > Yes, this should be 2 and actually this cap never work as expected, we are > re-designing this.
Do you ack this patch then? > > > avail_idx_addr = &ifcvf_lm->vring_lm_cfg[q_pair_id].idx_addr[qid > > > % 2]; > > > last_avail_idx = vp_ioread16(avail_idx_addr); > > > > > > @@ -337,7 +337,7 @@ int ifcvf_set_vq_state(struct ifcvf_hw *hw, u16 qid, > > > u16 num) > > > u32 q_pair_id; > > > > > > ifcvf_lm = (struct ifcvf_lm_cfg __iomem *)hw->lm_cfg; > > > - q_pair_id = qid / hw->nr_vring; > > > + q_pair_id = qid / 2; > > > avail_idx_addr = &ifcvf_lm->vring_lm_cfg[q_pair_id].idx_addr[qid > > > % 2]; > > > hw->vring[qid].last_avail_idx = num; > > > vp_iowrite16(num, avail_idx_addr); > > > > Pls CC more widely. > > $ ./scripts/get_maintainer.pl -f drivers/vdpa/ifcvf/ifcvf_base.c > > "Michael S. Tsirkin" <[email protected]> (maintainer:VIRTIO CORE AND NET > > DRIVERS,commit_signer:6/6=100%) > > Jason Wang <[email protected]> (maintainer:VIRTIO CORE AND NET > > DRIVERS,commit_signer:1/6=17%) > > Zhu Lingshan <[email protected]> > > (commit_signer:5/6=83%,authored:5/6=83%,added_lines:102/102=100%,removed_lines:108/109=99%) > > Stefano Garzarella <[email protected]> (commit_signer:1/6=17%) > > Tom Rix <[email protected]> (commit_signer:1/6=17%) > > Colin Ian King <[email protected]> (authored:1/6=17%) > > [email protected] (open list:VIRTIO CORE AND NET > > DRIVERS) > > > > Thanks! > > > > BTW, Zhu Lingshan, would you like to be listed a patch reviewer in > > MAINTAINERS so people rememeber to CC you? You are working a lot on this > > driver. > sure, please add me in the list. > > Thanks > Zhu Lingshan > > > > > > > > > -- _______________________________________________ Virtualization mailing list [email protected] https://lists.linuxfoundation.org/mailman/listinfo/virtualization
