> -Original Message-
> From: [EMAIL PROTECTED] [mailto:general-
> [EMAIL PROTECTED] On Behalf Of Roland Dreier
> Sent: Tuesday, February 12, 2008 2:42 PM
> To: Christoph Lameter
> Cc: Rik van Riel; [EMAIL PROTECTED]; Andrea Arcangeli;
> [EMAIL PROTECTED]; [EMAIL PROTECTED]; linux-
>
-Original Message-
From: [EMAIL PROTECTED] [mailto:general-
[EMAIL PROTECTED] On Behalf Of Roland Dreier
Sent: Tuesday, February 12, 2008 2:42 PM
To: Christoph Lameter
Cc: Rik van Riel; [EMAIL PROTECTED]; Andrea Arcangeli;
[EMAIL PROTECTED]; [EMAIL PROTECTED]; linux-
[EMAIL
> -Original Message-
> From: Patrick Geoffray [mailto:[EMAIL PROTECTED]
> Sent: Monday, August 20, 2007 1:34 PM
> To: Felix Marti
> Cc: Evgeniy Polyakov; David Miller; [EMAIL PROTECTED];
> [EMAIL PROTECTED]; [EMAIL PROTECTED];
> [EMAIL PROTECTED]; linux-kernel@vger
> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Andi Kleen
> Sent: Monday, August 20, 2007 11:11 AM
> To: Felix Marti
> Cc: Evgeniy Polyakov; [EMAIL PROTECTED]; [EMAIL PROTECTED];
> [EMAIL PROTECTED]; linux-kernel@vger.kernel.org;
> -Original Message-
> From: Evgeniy Polyakov [mailto:[EMAIL PROTECTED]
> Sent: Monday, August 20, 2007 2:43 AM
> To: Felix Marti
> Cc: David Miller; [EMAIL PROTECTED]; [EMAIL PROTECTED];
> [EMAIL PROTECTED]; [EMAIL PROTECTED]; linux-
> [EMAIL PROTECTED]; [EMAIL PRO
> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Andi Kleen
> Sent: Monday, August 20, 2007 4:07 AM
> To: Felix Marti
> Cc: David Miller; [EMAIL PROTECTED]; [EMAIL PROTECTED];
> [EMAIL PROTECTED]; [EMAIL PROTECTED]; linux-
> [EMA
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Andi Kleen
Sent: Monday, August 20, 2007 4:07 AM
To: Felix Marti
Cc: David Miller; [EMAIL PROTECTED]; [EMAIL PROTECTED];
[EMAIL PROTECTED]; [EMAIL PROTECTED]; linux-
[EMAIL PROTECTED]; [EMAIL
-Original Message-
From: Evgeniy Polyakov [mailto:[EMAIL PROTECTED]
Sent: Monday, August 20, 2007 2:43 AM
To: Felix Marti
Cc: David Miller; [EMAIL PROTECTED]; [EMAIL PROTECTED];
[EMAIL PROTECTED]; [EMAIL PROTECTED]; linux-
[EMAIL PROTECTED]; [EMAIL PROTECTED]
Subject: Re: [ofa
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Andi Kleen
Sent: Monday, August 20, 2007 11:11 AM
To: Felix Marti
Cc: Evgeniy Polyakov; [EMAIL PROTECTED]; [EMAIL PROTECTED];
[EMAIL PROTECTED]; linux-kernel@vger.kernel.org;
[EMAIL PROTECTED]; David
-Original Message-
From: Patrick Geoffray [mailto:[EMAIL PROTECTED]
Sent: Monday, August 20, 2007 1:34 PM
To: Felix Marti
Cc: Evgeniy Polyakov; David Miller; [EMAIL PROTECTED];
[EMAIL PROTECTED]; [EMAIL PROTECTED];
[EMAIL PROTECTED]; linux-kernel@vger.kernel.org;
[EMAIL PROTECTED
> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Andi Kleen
> Sent: Sunday, August 19, 2007 4:28 PM
> To: Felix Marti
> Cc: David Miller; [EMAIL PROTECTED]; [EMAIL PROTECTED];
> [EMAIL PROTECTED]; linux-kernel@vger.kernel.org;
> -Original Message-
> From: David Miller [mailto:[EMAIL PROTECTED]
> Sent: Sunday, August 19, 2007 6:06 PM
> To: Felix Marti
> Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED];
> [EMAIL PROTECTED]; linux-kernel@vger.kernel.org;
> [EMAIL PROTECTED]
> S
> -Original Message-
> From: David Miller [mailto:[EMAIL PROTECTED]
> Sent: Sunday, August 19, 2007 5:40 PM
> To: Felix Marti
> Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED];
> [EMAIL PROTECTED]; linux-kernel@vger.kernel.org;
> [EMAIL PROTECTED]
> S
> -Original Message-
> From: David Miller [mailto:[EMAIL PROTECTED]
> Sent: Sunday, August 19, 2007 4:04 PM
> To: Felix Marti
> Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED];
> [EMAIL PROTECTED]; linux-kernel@vger.kernel.org;
> [EMAIL PROTECTED]
> S
> -Original Message-
> From: David Miller [mailto:[EMAIL PROTECTED]
> Sent: Sunday, August 19, 2007 12:32 PM
> To: Felix Marti
> Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED];
> [EMAIL PROTECTED]; linux-kernel@vger.kernel.org;
> [EMAIL PROTECTED]
> S
It's relevance to Linux as a general purpose operating system that
> should be "good enough" for %99 of the world is close to NIL.
>
> People have been pouring tons of money and research into doing stupid
> things to make clusters go fast, and in such a way that make zero
>
go fast, and in such a way that make zero
sense for general purpose operating systems, for ages. RDMA is just
one such example.
[Felix Marti] Ouch, and I believed linux to be a leading edge OS,
scaling from small embedded systems to hundreds of CPUs and hence
I assumed that the same 'scalability
-Original Message-
From: David Miller [mailto:[EMAIL PROTECTED]
Sent: Sunday, August 19, 2007 12:32 PM
To: Felix Marti
Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED];
[EMAIL PROTECTED]; linux-kernel@vger.kernel.org;
[EMAIL PROTECTED]
Subject: Re: [ofa-general] Re
-Original Message-
From: David Miller [mailto:[EMAIL PROTECTED]
Sent: Sunday, August 19, 2007 4:04 PM
To: Felix Marti
Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED];
[EMAIL PROTECTED]; linux-kernel@vger.kernel.org;
[EMAIL PROTECTED]
Subject: Re: [ofa-general] Re
-Original Message-
From: David Miller [mailto:[EMAIL PROTECTED]
Sent: Sunday, August 19, 2007 5:40 PM
To: Felix Marti
Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED];
[EMAIL PROTECTED]; linux-kernel@vger.kernel.org;
[EMAIL PROTECTED]
Subject: Re: [ofa-general] Re
-Original Message-
From: David Miller [mailto:[EMAIL PROTECTED]
Sent: Sunday, August 19, 2007 6:06 PM
To: Felix Marti
Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED];
[EMAIL PROTECTED]; linux-kernel@vger.kernel.org;
[EMAIL PROTECTED]
Subject: Re: [ofa-general] Re
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Andi Kleen
Sent: Sunday, August 19, 2007 4:28 PM
To: Felix Marti
Cc: David Miller; [EMAIL PROTECTED]; [EMAIL PROTECTED];
[EMAIL PROTECTED]; linux-kernel@vger.kernel.org;
[EMAIL PROTECTED]
Subject
e the driver copyin the info
> directly.
>
> 3) allocate the memory for this in the kernel and map it to the user
> process.
>
> I chose 1 because it seemed the cleanest from an architecture point of
> view and I didn't think it would impact performance much.
[Felix Marti
impact performance much.
[Felix Marti] In addition, is arming the CQ really in the performance
path? - Don't apps poll the CQ as long as there are pending CQEs and
only arm the CQ for notification once there is nothing left to do? If
this is the case, it would mean that we waste a few cycles 'idle
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