On 04/04/2018 23:53, David Rientjes wrote:
> On Wed, 4 Apr 2018, Laurent Dufour wrote:
>
>>> I also think the following is needed:
>>>
>>> diff --git a/fs/exec.c b/fs/exec.c
>>> --- a/fs/exec.c
>>> +++ b/fs/exec.c
>>> @@ -312,6 +312,10 @@ static int __bprm_mm_init(struct linux_binprm *bprm)
>>>
On Wed, 4 Apr 2018, Laurent Dufour wrote:
> > I also think the following is needed:
> >
> > diff --git a/fs/exec.c b/fs/exec.c
> > --- a/fs/exec.c
> > +++ b/fs/exec.c
> > @@ -312,6 +312,10 @@ static int __bprm_mm_init(struct linux_binprm *bprm)
> > vma->vm_flags = VM_SOFTDIRTY | VM_STACK_FLAG
On 04/04/2018 03:03, David Rientjes wrote:
> On Tue, 3 Apr 2018, David Rientjes wrote:
>
> I found the root cause of this lockdep warning.
>
> In mmap_region(), unmap_region() may be called while vma_link() has not
> been
> called. This happens during the error path if call_
On 04/04/2018 02:48, David Rientjes wrote:
> On Wed, 28 Mar 2018, Laurent Dufour wrote:
>
>> On 26/03/2018 00:10, David Rientjes wrote:
>>> On Wed, 21 Mar 2018, Laurent Dufour wrote:
>>>
I found the root cause of this lockdep warning.
In mmap_region(), unmap_region() may be called
On Tue, 3 Apr 2018, David Rientjes wrote:
> > >> I found the root cause of this lockdep warning.
> > >>
> > >> In mmap_region(), unmap_region() may be called while vma_link() has not
> > >> been
> > >> called. This happens during the error path if call_mmap() failed.
> > >>
> > >> The only to fix
On Wed, 28 Mar 2018, Laurent Dufour wrote:
> On 26/03/2018 00:10, David Rientjes wrote:
> > On Wed, 21 Mar 2018, Laurent Dufour wrote:
> >
> >> I found the root cause of this lockdep warning.
> >>
> >> In mmap_region(), unmap_region() may be called while vma_link() has not
> >> been
> >> called.
On 26/03/2018 00:10, David Rientjes wrote:
> On Wed, 21 Mar 2018, Laurent Dufour wrote:
>
>> I found the root cause of this lockdep warning.
>>
>> In mmap_region(), unmap_region() may be called while vma_link() has not been
>> called. This happens during the error path if call_mmap() failed.
>>
>>
On Wed, 21 Mar 2018, Laurent Dufour wrote:
> I found the root cause of this lockdep warning.
>
> In mmap_region(), unmap_region() may be called while vma_link() has not been
> called. This happens during the error path if call_mmap() failed.
>
> The only to fix that particular case is to call
>
On 17/03/2018 08:51, kernel test robot wrote:
> FYI, we noticed the following commit (built with gcc-7):
>
> commit: b1f0502d04537ef55b0c296823affe332b100eb5 ("mm: VMA sequence count")
> url:
> https://github.com/0day-ci/linux/commits/Laurent-Dufour/Speculative-page-faults/20180316-151833
>
>
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