RE: [PATCH v3 01/12] vfio/pci: Update comment around group_fd get in vfio_pci_ioctl_pci_hot_reset()

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> From: Eric Auger <eric.auger@xxxxxxxxxx>
> Sent: Tuesday, April 4, 2023 10:00 PM
> 
> Hi Yi,
> 
> On 4/1/23 16:44, Yi Liu wrote:
> > this suits more on what the code does.
> >
> > Reviewed-by: Kevin Tian <kevin.tian@xxxxxxxxx>
> > Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
> > Tested-by: Yanting Jiang <yanting.jiang@xxxxxxxxx>
> > Signed-off-by: Yi Liu <yi.l.liu@xxxxxxxxx>
> > ---
> >  drivers/vfio/pci/vfio_pci_core.c | 5 ++---
> >  1 file changed, 2 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/vfio/pci/vfio_pci_core.c b/drivers/vfio/pci/vfio_pci_core.c
> > index a5ab416cf476..65bbef562268 100644
> > --- a/drivers/vfio/pci/vfio_pci_core.c
> > +++ b/drivers/vfio/pci/vfio_pci_core.c
> > @@ -1308,9 +1308,8 @@ static int vfio_pci_ioctl_pci_hot_reset(struct
> vfio_pci_core_device *vdev,
> >  	}
> >
> >  	/*
> > -	 * For each group_fd, get the group through the vfio external user
> > -	 * interface and store the group and iommu ID.  This ensures the group
> > -	 * is held across the reset.
> > +	 * Get the group file for each fd to ensure the group held across
> to ensure the group is held

got it.

> Besides
> 
> Reviewed-by: Eric Auger <eric.auger@xxxxxxxxxx>
> 
> Eric
> 
> 
> > +	 * the reset
> >  	 */
> >  	for (file_idx = 0; file_idx < hdr.count; file_idx++) {
> >  		struct file *file = fget(group_fds[file_idx]);

Regards,
Yi Liu




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