On 09/14/2016 11:38 PM, Oleg Nesterov wrote:
On 09/13, Dave Hansen wrote:
On 09/13/2016 07:59 AM, Oleg Nesterov wrote:
I agree. I don't even understand why this was considered as a bug.
Obviously, m_stop() which drops mmap_sep should not be called, or
all the threads should be stopped, if yo
On 09/13, Dave Hansen wrote:
>
> On 09/13/2016 07:59 AM, Oleg Nesterov wrote:
> > I agree. I don't even understand why this was considered as a bug.
> > Obviously, m_stop() which drops mmap_sep should not be called, or
> > all the threads should be stopped, if you want to trust the result.
>
> Ther
On 09/13/2016 07:59 AM, Oleg Nesterov wrote:
> On 09/12, Michal Hocko wrote:
>> > Considering how this all can be tricky and how partial reads can be
>> > confusing and even misleading I am really wondering whether we
>> > should simply document that only full reads will provide a sensible
>> > res
On 09/12, Michal Hocko wrote:
>
> Considering how this all can be tricky and how partial reads can be
> confusing and even misleading I am really wondering whether we
> should simply document that only full reads will provide a sensible
> results.
I agree. I don't even understand why this was cons
On 09/13/2016 03:10 AM, Michal Hocko wrote:
On Mon 12-09-16 08:01:06, Dave Hansen wrote:
On 09/12/2016 05:54 AM, Michal Hocko wrote:
In order to fix this bug, we make 'file->version' indicate the end address
of current VMA
Doesn't this open doors to another weird cases. Say B would be partia
On Mon 12-09-16 08:01:06, Dave Hansen wrote:
> On 09/12/2016 05:54 AM, Michal Hocko wrote:
> >> > In order to fix this bug, we make 'file->version' indicate the end
> >> > address
> >> > of current VMA
> > Doesn't this open doors to another weird cases. Say B would be partially
> > unmapped (tail
On 09/12/2016 05:54 AM, Michal Hocko wrote:
>> > In order to fix this bug, we make 'file->version' indicate the end address
>> > of current VMA
> Doesn't this open doors to another weird cases. Say B would be partially
> unmapped (tail of the VMA would get unmapped and reused for a new VMA.
In the
[Cc Oleg - he seemed to touch it the last. Keeping the whole email for
reference with a comment inline]
On Mon 12-09-16 11:12:44, Xiao Guangrong wrote:
> Recently, Redhat reported that nvml test suite failed on QEMU/KVM,
> more detailed info please refer to:
>https://bugzilla.redhat.com/show_b
Recently, Redhat reported that nvml test suite failed on QEMU/KVM,
more detailed info please refer to:
https://bugzilla.redhat.com/show_bug.cgi?id=1365721
Actually, this bug is not only for NVDIMM/DAX but also for any other file
systems. This simple test case abstracted from nvml can easily rep
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