On 11.02.21 07:51, Greg Kroah-Hartman wrote:
On Wed, Feb 10, 2021 at 08:57:11PM +0100, Bodo Stroesser wrote:
On 10.02.21 20:47, Greg Kroah-Hartman wrote:
On Wed, Feb 10, 2021 at 08:40:30PM +0100, Bodo Stroesser wrote:
If uio_unregister_device() is called while userspace daemon
still holds the
On Wed, Feb 10, 2021 at 08:57:11PM +0100, Bodo Stroesser wrote:
> On 10.02.21 20:47, Greg Kroah-Hartman wrote:
> > On Wed, Feb 10, 2021 at 08:40:30PM +0100, Bodo Stroesser wrote:
> > > If uio_unregister_device() is called while userspace daemon
> > > still holds the uio device open or mmap'ed, uio
On 10.02.21 20:47, Greg Kroah-Hartman wrote:
On Wed, Feb 10, 2021 at 08:40:30PM +0100, Bodo Stroesser wrote:
If uio_unregister_device() is called while userspace daemon
still holds the uio device open or mmap'ed, uio will not call
uio_info->release() on later close / munmap.
At least one user o
On Wed, Feb 10, 2021 at 08:40:30PM +0100, Bodo Stroesser wrote:
> If uio_unregister_device() is called while userspace daemon
> still holds the uio device open or mmap'ed, uio will not call
> uio_info->release() on later close / munmap.
>
> At least one user of uio (tcmu) should not free resources
If uio_unregister_device() is called while userspace daemon
still holds the uio device open or mmap'ed, uio will not call
uio_info->release() on later close / munmap.
At least one user of uio (tcmu) should not free resources (pages
allocated by tcmu which are mmap'ed to userspace) while uio
device
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