> > Have you looked at Jens Axboe's patches to make all this stuff a lot
> > more arch-common?
>
> Nope, do you have a pointer?
Check your favourite archive for this Subject line:
Generic smp_call_function(), improvements, and smp_call_function_single()
-Tony
Jeremy Fitzhardinge wrote:
>> I wasn't suggesting we shouldn't have both interfaces, merely
>> questioning why adding what to me seems like an unnecessary performance
>> hit for the classic case of the call.
>
> I don't mind how many interfaces there are, so long as there only needs
> to be one p
Jes Sorensen wrote:
> Jeremy Fitzhardinge wrote:
>
>> Jes Sorensen wrote:
>> This change has been on the x86 side for ages, and not even Ingo made a
>> peep about it ;)
>>
>
> Mmmm, last time I looked, x86 didn't scale to any interesting number
> of CPUs :-)
>
Well, I guess you need al
Jeremy Fitzhardinge wrote:
> Jes Sorensen wrote:
> This change has been on the x86 side for ages, and not even Ingo made a
> peep about it ;)
Mmmm, last time I looked, x86 didn't scale to any interesting number
of CPUs :-)
>> Why not keep smp_call_function() the way it was before, rather than
>>
Jes Sorensen wrote:
> I'm a little wary of the performance impact of this change. Doing a
> cpumask compare on all smp_call_function calls seems a little expensive.
> Maybe it's just noise in the big picture compared to the actual cost of
> the IPIs, but I thought I'd bring it up.
>
> Keep in mind
Zhang, Xiantao wrote:
>>From 697d50286088e98da5ac8653c80aaa96c81abf87 Mon Sep 17 00:00:00 2001
> From: Xiantao Zhang <[EMAIL PROTECTED]>
> Date: Mon, 31 Mar 2008 09:50:24 +0800
> Subject: [PATCH] KVM:IA64: Implement smp_call_function_mask for ia64
>
> This function provides more flexible interface
>From 697d50286088e98da5ac8653c80aaa96c81abf87 Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Mon, 31 Mar 2008 09:50:24 +0800
Subject: [PATCH] KVM:IA64: Implement smp_call_function_mask for ia64
This function provides more flexible interface for smp
infrastructure.
Signed-o
>From 9118d25b4e98bef3a62429f8c150e8d429396c40 Mon Sep 17 00:00:00 2001
From: Xiantao Zhang <[EMAIL PROTECTED]>
Date: Wed, 12 Mar 2008 12:58:02 +0800
Subject: [PATCH] Implement smp_call_function_mask for ia64
This function provides more flexible interface for smp
infrastructure.
Signed-off-by: Xia
