Re: [dm-devel] dm-crypt performance

2013-04-09 Thread Mikulas Patocka
On Tue, 26 Mar 2013, Milan Broz wrote: > - Are we sure we are not inroducing some another side channel in disc > encryption? (Unprivileged user can measure timing here). > (Perhaps stupid reason but please do not prefer performance to security > in encryption. Enough we have timing attacks for A

Re: [dm-devel] dm-crypt performance

2013-03-26 Thread Milan Broz
On 26.3.2013 13:27, Alasdair G Kergon wrote: [Adding dm-crypt + linux-kernel] Thanks. On Mon, Mar 25, 2013 at 11:47:22PM -0400, Mikulas Patocka wrote: I performed some dm-crypt performance tests as Mike suggested. It turns out that unbound workqueue performance has improved somewhere betwe

Re: [dm-devel] dm-crypt performance

2013-03-26 Thread Alasdair G Kergon
[Adding dm-crypt + linux-kernel] On Mon, Mar 25, 2013 at 11:47:22PM -0400, Mikulas Patocka wrote: > I performed some dm-crypt performance tests as Mike suggested. > > It turns out that unbound workqueue performance has improved somewhere > between kernel 3.2 (when I made the dm-crypt patches) an