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On Tue, Nov 27, 2018 at 1:22 PM Bart Van Assche wrote:
>
> On Tue, 2018-11-27 at 12:50 -0800, Dan Williams wrote:
> > Thanks Bart, so tying this back to Alex's patches, does the ordering
> > problem that Alex's patches solve impact the SCSI case? I'm looking
> > for something like "SCSI depends
On Tue, 2018-11-27 at 12:35 -0800, Dan Williams wrote:
> On Tue, Nov 27, 2018 at 9:38 AM Alexander Duyck
> wrote:
> >
> > On Mon, 2018-11-26 at 18:11 -0800, Dan Williams wrote:
> > > On Thu, Nov 8, 2018 at 10:07 AM Alexander Duyck
> > > wrote:
> > > >
> > > > Move the async_synchronize_full
On Tue, 2018-11-27 at 12:50 -0800, Dan Williams wrote:
> Thanks Bart, so tying this back to Alex's patches, does the ordering
> problem that Alex's patches solve impact the SCSI case? I'm looking
> for something like "SCSI depends on asynchronous probing and without
> 'driver core: Establish clear
After we drop the i_pages lock, the inode can be freed at any time.
The get_unlocked_entry() code has no choice but to reacquire the lock,
so it can't be used here. Create a new wait_entry_unlocked() which takes
care not to acquire the lock or dereference the address_space in any way.
Fixes:
These both fix race conditions in dax_lock_mapping_entry(). I've tagged
them both for 4.19 backport, which will fail and I'll do the equivalent
patch for it. Dan, do you want to take these through your tree?
Matthew Wilcox (2):
dax: Check page->mapping isn't NULL
dax: Don't access a freed
If we race with inode destroy, it's possible for page->mapping to be
NULL before we even enter this routine, as well as after having slept
waiting for the dax entry to become unlocked.
Fixes: c2a7d2a11552 ("filesystem-dax: Introduce dax_lock_mapping_entry()")
Cc: sta...@vger.kernel.org
On Tue, Nov 27, 2018 at 12:33 PM Bart Van Assche wrote:
>
> On Tue, 2018-11-27 at 11:34 -0800, Dan Williams wrote:
> > On Tue, Nov 27, 2018 at 10:04 AM Alexander Duyck
> > wrote:
> > >
> > > On Mon, 2018-11-26 at 18:21 -0800, Dan Williams wrote:
> > > > On Thu, Nov 8, 2018 at 10:07 AM Alexander
On Tue, Nov 27, 2018 at 9:38 AM Alexander Duyck
wrote:
>
> On Mon, 2018-11-26 at 18:11 -0800, Dan Williams wrote:
> > On Thu, Nov 8, 2018 at 10:07 AM Alexander Duyck
> > wrote:
> > >
> > > Move the async_synchronize_full call out of __device_release_driver and
> > > into driver_detach.
> > >
> >
On Tue, 2018-11-27 at 11:34 -0800, Dan Williams wrote:
> On Tue, Nov 27, 2018 at 10:04 AM Alexander Duyck
> wrote:
> >
> > On Mon, 2018-11-26 at 18:21 -0800, Dan Williams wrote:
> > > On Thu, Nov 8, 2018 at 10:07 AM Alexander Duyck
> > > wrote:
> > > >
> > > > Force the device registration for
On 11/27/18 1:10 PM, Mimi Zohar wrote:
> On Tue, 2018-11-27 at 11:48 -0800, Dan Williams wrote:
>
>> I was thinking that the generic-length *is* the format. This does not
>> work for ecyptfs because it has that:
>>
>> payload_datalen = sizeof(struct ecryptfs_auth_tok);
>>
>> ...detail that
On Tue, Nov 27, 2018 at 11:35 AM Mimi Zohar wrote:
>
> On Tue, 2018-11-27 at 11:10 -0800, Dan Williams wrote:
> > On Tue, Nov 27, 2018 at 10:24 AM Mimi Zohar wrote:
> > >
> > > On Tue, 2018-11-27 at 09:20 -0700, Dave Jiang wrote:
> > > >
> > > > On 11/27/18 12:20 AM, Dan Williams wrote:
> > > >
On Tue, 2018-11-27 at 11:10 -0800, Dan Williams wrote:
> On Tue, Nov 27, 2018 at 10:24 AM Mimi Zohar wrote:
> >
> > On Tue, 2018-11-27 at 09:20 -0700, Dave Jiang wrote:
> > >
> > > On 11/27/18 12:20 AM, Dan Williams wrote:
> > > > On Fri, Nov 9, 2018 at 2:13 PM Dave Jiang wrote:
> > > >>
> > >
On Tue, Nov 27, 2018 at 10:04 AM Alexander Duyck
wrote:
>
> On Mon, 2018-11-26 at 18:21 -0800, Dan Williams wrote:
> > On Thu, Nov 8, 2018 at 10:07 AM Alexander Duyck
> > wrote:
> > >
> > > Force the device registration for nvdimm devices to be closer to the
> > > actual
> > > device. This is
On Tue, Nov 27, 2018 at 10:24 AM Mimi Zohar wrote:
>
> On Tue, 2018-11-27 at 09:20 -0700, Dave Jiang wrote:
> >
> > On 11/27/18 12:20 AM, Dan Williams wrote:
> > > On Fri, Nov 9, 2018 at 2:13 PM Dave Jiang wrote:
> > >>
> > >> Adding nvdimm key format type to encrypted keys in order to limit the
On Mon, Nov 26, 2018 at 12:36:26PM -0800, Dan Williams wrote:
> On Mon, Nov 26, 2018 at 9:11 AM Jan Kara wrote:
> > The code looks good. Maybe can we call this wait_entry_unlocked() to stress
> > that entry is not really usable after this function returns? And comment
> > before the function that
On Tue, Nov 27, 2018 at 9:58 AM Alexander Duyck
wrote:
>
> On Mon, 2018-11-26 at 18:48 -0800, Dan Williams wrote:
> > On Thu, Nov 8, 2018 at 10:07 AM Alexander Duyck
> > wrote:
> > >
> > > Probe devices asynchronously instead of the driver. This results in us
> > > seeing the same behavior if
On Tue, 2018-11-27 at 09:20 -0700, Dave Jiang wrote:
>
> On 11/27/18 12:20 AM, Dan Williams wrote:
> > On Fri, Nov 9, 2018 at 2:13 PM Dave Jiang wrote:
> >>
> >> Adding nvdimm key format type to encrypted keys in order to limit the size
> >
> > s/Adding/Add an/
> >
> >> of the key to 32-bytes.
On Mon, 2018-11-26 at 18:48 -0800, Dan Williams wrote:
> On Thu, Nov 8, 2018 at 10:07 AM Alexander Duyck
> wrote:
> >
> > Probe devices asynchronously instead of the driver. This results in us
> > seeing the same behavior if the device is registered before the driver or
> > after. This way we
On Mon, 2018-11-26 at 18:21 -0800, Dan Williams wrote:
> On Thu, Nov 8, 2018 at 10:07 AM Alexander Duyck
> wrote:
> >
> > Force the device registration for nvdimm devices to be closer to the actual
> > device. This is achieved by using either the NUMA node ID of the region, or
> > of the parent.
On Mon, 2018-11-26 at 18:11 -0800, Dan Williams wrote:
> On Thu, Nov 8, 2018 at 10:07 AM Alexander Duyck
> wrote:
> >
> > Move the async_synchronize_full call out of __device_release_driver and
> > into driver_detach.
> >
> > The idea behind this is that the async_synchronize_full call will
On Mon, 2018-11-26 at 18:35 -0800, Dan Williams wrote:
> On Mon, Nov 5, 2018 at 1:12 PM Alexander Duyck
> wrote:
> >
> > This patch adds an additional bit to the device struct named async_probe.
> > This additional bit allows us to guarantee ordering between probe and
> > remove operations.
> >
On 11/27/18 12:20 AM, Dan Williams wrote:
> On Fri, Nov 9, 2018 at 2:13 PM Dave Jiang wrote:
>>
>> Adding nvdimm key format type to encrypted keys in order to limit the size
>
> s/Adding/Add an/
>
>> of the key to 32-bytes.
>>
>> Signed-off-by: Dave Jiang
>> ---
>>
On Mon, Nov 26, 2018 at 7:12 AM Dan Williams wrote:
>
> On Mon, Nov 19, 2018 at 12:11 AM Oliver O'Halloran wrote:
> >
> > When creating an fsdax or devdax namespace we need to verify that the
> > seed namespaces exist. This patch reworks the validation so that it's
> > done earlier to simplify
On 14.11.18 22:51, Barret Rhoden wrote:
> kvm_is_reserved_pfn() already checks PageReserved().
>
> Signed-off-by: Barret Rhoden
> ---
> virt/kvm/kvm_main.c | 8 ++--
> 1 file changed, 2 insertions(+), 6 deletions(-)
>
> diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
> index
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