Hi Geert,
On Mon, 2014-04-21 at 09:52 +0200, Geert Uytterhoeven wrote:
> Hi David,
>
> On Mon, Apr 21, 2014 at 12:28 AM, Davidlohr Bueso wrote:
> > On Sun, 2014-04-20 at 10:04 +0200, Geert Uytterhoeven wrote:
> >> On Sun, Apr 20, 2014 at 4:26 AM, Davidlohr Bueso wrote:
> >> > Performing vma loo
Hi David,
On Mon, Apr 21, 2014 at 12:28 AM, Davidlohr Bueso wrote:
> On Sun, 2014-04-20 at 10:04 +0200, Geert Uytterhoeven wrote:
>> On Sun, Apr 20, 2014 at 4:26 AM, Davidlohr Bueso wrote:
>> > Performing vma lookups without taking the mm->mmap_sem is asking
>> > for trouble. While doing the sea
On Sun, 2014-04-20 at 10:04 +0200, Geert Uytterhoeven wrote:
> Hi David,
>
> On Sun, Apr 20, 2014 at 4:26 AM, Davidlohr Bueso wrote:
> > Performing vma lookups without taking the mm->mmap_sem is asking
> > for trouble. While doing the search, the vma in question can be
> > modified or even remove
Hi David,
On Sun, Apr 20, 2014 at 4:26 AM, Davidlohr Bueso wrote:
> Performing vma lookups without taking the mm->mmap_sem is asking
> for trouble. While doing the search, the vma in question can be
> modified or even removed before returning to the caller. Take the
> lock (shared) in order to av
Performing vma lookups without taking the mm->mmap_sem is asking
for trouble. While doing the search, the vma in question can be
modified or even removed before returning to the caller. Take the
lock (shared) in order to avoid races while iterating through
the vmacache and/or rbtree.
This patch is
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