Re: [PATCH 05/16] mm: Protect VMA modifications using VMA sequence count

2017-08-10 Thread Laurent Dufour
On 10/08/2017 15:43, Kirill A. Shutemov wrote: > On Thu, Aug 10, 2017 at 10:27:50AM +0200, Laurent Dufour wrote: >> On 10/08/2017 02:58, Kirill A. Shutemov wrote: >>> On Wed, Aug 09, 2017 at 12:43:33PM +0200, Laurent Dufour wrote: On 09/08/2017 12:12, Kirill A. Shutemov wrote: > On Tue, Au

Re: [PATCH 05/16] mm: Protect VMA modifications using VMA sequence count

2017-08-10 Thread Kirill A. Shutemov
On Thu, Aug 10, 2017 at 10:27:50AM +0200, Laurent Dufour wrote: > On 10/08/2017 02:58, Kirill A. Shutemov wrote: > > On Wed, Aug 09, 2017 at 12:43:33PM +0200, Laurent Dufour wrote: > >> On 09/08/2017 12:12, Kirill A. Shutemov wrote: > >>> On Tue, Aug 08, 2017 at 04:35:38PM +0200, Laurent Dufour wro

Re: [PATCH 05/16] mm: Protect VMA modifications using VMA sequence count

2017-08-10 Thread Laurent Dufour
On 10/08/2017 02:58, Kirill A. Shutemov wrote: > On Wed, Aug 09, 2017 at 12:43:33PM +0200, Laurent Dufour wrote: >> On 09/08/2017 12:12, Kirill A. Shutemov wrote: >>> On Tue, Aug 08, 2017 at 04:35:38PM +0200, Laurent Dufour wrote: The VMA sequence count has been introduced to allow fast detect

Re: [PATCH 05/16] mm: Protect VMA modifications using VMA sequence count

2017-08-09 Thread Kirill A. Shutemov
On Wed, Aug 09, 2017 at 12:43:33PM +0200, Laurent Dufour wrote: > On 09/08/2017 12:12, Kirill A. Shutemov wrote: > > On Tue, Aug 08, 2017 at 04:35:38PM +0200, Laurent Dufour wrote: > >> The VMA sequence count has been introduced to allow fast detection of > >> VMA modification when running a page f

Re: [PATCH 05/16] mm: Protect VMA modifications using VMA sequence count

2017-08-09 Thread Laurent Dufour
On 09/08/2017 12:12, Kirill A. Shutemov wrote: > On Tue, Aug 08, 2017 at 04:35:38PM +0200, Laurent Dufour wrote: >> The VMA sequence count has been introduced to allow fast detection of >> VMA modification when running a page fault handler without holding >> the mmap_sem. >> >> This patch provides

Re: [PATCH 05/16] mm: Protect VMA modifications using VMA sequence count

2017-08-09 Thread Kirill A. Shutemov
On Tue, Aug 08, 2017 at 04:35:38PM +0200, Laurent Dufour wrote: > The VMA sequence count has been introduced to allow fast detection of > VMA modification when running a page fault handler without holding > the mmap_sem. > > This patch provides protection agains the VMA modification done in : >

[PATCH 05/16] mm: Protect VMA modifications using VMA sequence count

2017-08-08 Thread Laurent Dufour
The VMA sequence count has been introduced to allow fast detection of VMA modification when running a page fault handler without holding the mmap_sem. This patch provides protection agains the VMA modification done in : - madvise() - mremap() - mpol_rebind_policy()