Hi Thomasz, This been brought up before: http://article.gmane.org/gmane.linux.kernel.device-mapper.dm-crypt/2881 http://article.gmane.org/gmane.linux.kernel.device-mapper.dm-crypt/2853 I too would really like multicore support. -Clay On Mon, Apr 13, 2009 at 8:41 AM, Tomasz Chmielewski <mangoo@xxxxxxxx> wrote: > Currently, the trend with CPUs is to add more cores rather than increase > the speed of a single core. > > This does not scale very well with certain things in the Linux kernel. One > of them is kcryptd. > > > A system able to deliver data with a speed of ~200 MB/s from a RAID array, > will be only able to deliver a fraction of it (i.e. ~40 MB/s in my case) > when reads are being done from a dm-crypt device. > > This is because kcryptd is not SMP-aware: it performs all calculations on a > single logical CPU only. > > Are there any plans to change it? > > > -- > Tomasz Chmielewski > http://wpkg.org > > --------------------------------------------------------------------- > dm-crypt mailing list - http://www.saout.de/misc/dm-crypt/ > To unsubscribe, e-mail: dm-crypt-unsubscribe@xxxxxxxx > For additional commands, e-mail: dm-crypt-help@xxxxxxxx > >
