Re: [PATCH 10/13] PCI: revoke mappings like devmem

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, Oct 08, 2020 at 12:49:54AM -0700, Dan Williams wrote:

> > This is what got me thinking maybe this needs to be a bit bigger
> > generic infrastructure - eg enter this scheme from fops mmap and
> > everything else is in mm/user_iomem.c
> 
> It still requires every file that can map physical memory to have its
> ->open fop do

Common infrastructure would have to create a dummy struct file at mmap
time with the global inode and attach that to the VMA.

Jason
_______________________________________________
dri-devel mailing list
dri-devel@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/dri-devel



[Index of Archives]     [Linux DRI Users]     [Linux Intel Graphics]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]
  Powered by Linux