Re: [PATCH 10/10] IB/ehca: Support large page MRs

2007-07-17 Thread Joachim Fenkes
Roland Dreier <[EMAIL PROTECTED]> wrote on 17.07.2007 05:50:13: > > > Why the module parameter? Is there any reason a user would want to > > > turn this off? Or conversely, why is it off by default? > > > > We're pretty confident this new feature works, but as with all new and > >

Re: [PATCH 10/10] IB/ehca: Support large page MRs

2007-07-17 Thread Joachim Fenkes
Roland Dreier [EMAIL PROTECTED] wrote on 17.07.2007 05:50:13: Why the module parameter? Is there any reason a user would want to turn this off? Or conversely, why is it off by default? We're pretty confident this new feature works, but as with all new and possibly

Re: [PATCH 10/10] IB/ehca: Support large page MRs

2007-07-16 Thread Roland Dreier
> > Why the module parameter? Is there any reason a user would want to > > turn this off? Or conversely, why is it off by default? > > We're pretty confident this new feature works, but as with all new and > possibly experimental features, there are chances it might explode your >

Re: [PATCH 10/10] IB/ehca: Support large page MRs

2007-07-16 Thread Joachim Fenkes
Roland Dreier <[EMAIL PROTECTED]> wrote on 16.07.2007 19:37:09: > > If enabled via the mr_largepage module parameter, > > Why the module parameter? Is there any reason a user would want to > turn this off? Or conversely, why is it off by default? We're pretty confident this new feature

Re: [PATCH 10/10] IB/ehca: Support large page MRs

2007-07-16 Thread Roland Dreier
> Add support for MR pages larger than 4K on eHCA2. This reduces firmware > memory consumption. If enabled via the mr_largepage module parameter, the MR > page size will be determined based on the MR length and the hardware > capabilities - if the MR is >= 16M, 16M pages are used, for example.

Re: [PATCH 10/10] IB/ehca: Support large page MRs

2007-07-16 Thread Roland Dreier
Add support for MR pages larger than 4K on eHCA2. This reduces firmware memory consumption. If enabled via the mr_largepage module parameter, the MR page size will be determined based on the MR length and the hardware capabilities - if the MR is = 16M, 16M pages are used, for example. Why

Re: [PATCH 10/10] IB/ehca: Support large page MRs

2007-07-16 Thread Joachim Fenkes
Roland Dreier [EMAIL PROTECTED] wrote on 16.07.2007 19:37:09: If enabled via the mr_largepage module parameter, Why the module parameter? Is there any reason a user would want to turn this off? Or conversely, why is it off by default? We're pretty confident this new feature works, but

Re: [PATCH 10/10] IB/ehca: Support large page MRs

2007-07-16 Thread Roland Dreier
Why the module parameter? Is there any reason a user would want to turn this off? Or conversely, why is it off by default? We're pretty confident this new feature works, but as with all new and possibly experimental features, there are chances it might explode your machine when

[PATCH 10/10] IB/ehca: Support large page MRs

2007-07-12 Thread Joachim Fenkes
From: Hoang-Nam Nguyen <[EMAIL PROTECTED]> Add support for MR pages larger than 4K on eHCA2. This reduces firmware memory consumption. If enabled via the mr_largepage module parameter, the MR page size will be determined based on the MR length and the hardware capabilities - if the MR is >= 16M,

[PATCH 10/10] IB/ehca: Support large page MRs

2007-07-12 Thread Joachim Fenkes
From: Hoang-Nam Nguyen [EMAIL PROTECTED] Add support for MR pages larger than 4K on eHCA2. This reduces firmware memory consumption. If enabled via the mr_largepage module parameter, the MR page size will be determined based on the MR length and the hardware capabilities - if the MR is = 16M, 16M