Kvm-ia64 Development Archive on lore.kernel.org
 help / color / mirror / Atom feed
From: Avi Kivity <avi@redhat.com>
To: kvm-ia64@vger.kernel.org
Subject: Re: [patch] remove vcpu_info array v5
Date: Tue, 11 Nov 2008 09:26:56 +0000	[thread overview]
Message-ID: <49194FE0.4030003@redhat.com> (raw)
In-Reply-To: <4909C00F.8050704@sgi.com>

Jes Sorensen wrote:
> Avi Kivity wrote:
>> The code I mentioned only runs if the -no-kvm-irqchip option is 
>> passed.  It's not the highest performing option...
>
> What I meant was that I was able to compile the code, and there was only
> one piece left that needed that function, which is why I moved it and
> made it static in the acpi code.
>

That's because there is another static array in acpi.c...

>> So this isn't used a lot.  But cpus definitely use cpu numbers (as 
>> apic ids), so qemu needs to be prepared to handle this.  As to 
>> scalability, that takes will take a lot more work than 
>> removing/changing arbitrary limits.  Look at qemu_mutex and weep.
>
> Well we have to start somewhere. Just because there's limits in other
> areas too, doesn't mean we should discard valid improvements elsewhere.
> I'll get to some of that at some point, but there's soo many cards used
> to build this house....

Your patch builds the 16383rd floor while ignoring the 15th.  Qemu 
scaling issues are much, much more painful than what you were addressing.

-- 
error compiling committee.c: too many arguments to function


  parent reply	other threads:[~2008-11-11  9:26 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-10-30 14:09 [patch] remove vcpu_info array v5 Jes Sorensen
2008-11-04 11:54 ` Avi Kivity
2008-11-04 13:55 ` Glauber Costa
2008-11-04 14:30 ` Avi Kivity
2008-11-04 14:35 ` Glauber Costa
2008-11-04 14:40 ` Avi Kivity
2008-11-04 14:43 ` Glauber Costa
2008-11-04 14:47 ` Avi Kivity
2008-11-10 12:30 ` Jes Sorensen
2008-11-10 13:24 ` Jes Sorensen
2008-11-10 13:30 ` Jes Sorensen
2008-11-10 13:40 ` Avi Kivity
2008-11-10 13:48 ` Avi Kivity
2008-11-10 15:22 ` Anthony Liguori
2008-11-10 15:45 ` Avi Kivity
2008-11-10 15:47 ` Jes Sorensen
2008-11-10 15:54 ` Avi Kivity
2008-11-10 15:58 ` Jes Sorensen
2008-11-11  9:26 ` Avi Kivity [this message]
2008-11-12 13:02 ` Jes Sorensen
2008-11-12 13:09 ` Glauber Costa
2008-11-12 13:12 ` Avi Kivity
2008-11-12 13:14 ` Avi Kivity

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=49194FE0.4030003@redhat.com \
    --to=avi@redhat.com \
    --cc=kvm-ia64@vger.kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox