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From: Paul Brook <paul@codesourcery.com>
To: qemu-devel@nongnu.org
Cc: Blue Swirl <blauwirbel@gmail.com>, Juan Quintela <quintela@redhat.com>
Subject: Re: [Qemu-devel] Re: Compile files only once: some planning
Date: Wed, 24 Mar 2010 22:47:53 +0000	[thread overview]
Message-ID: <201003242247.53346.paul@codesourcery.com> (raw)
In-Reply-To: <m3d3ytzfgu.fsf@trasno.mitica>

> Actually, Anthony suggested at some point to just use 64 bits for
> TARGET_PHYS_ADDR_BITS and remove the need for hw32/64.
> 
> I think that people emulationg 32bits on 32bits would suffer, but have
> no clue how much.  Anthony, what was the idea?

Sacrificing runtime performance to avoid rebuilding a few files is not 
acceptable. I consider the fact that TARGET_PHYS_ADDR_BITS is always 64 on 64-
bit hosts is a bug. It's just hard to fix, and probably even less of a 
performance hit, so I haven't bothered yet.

Paul

  reply	other threads:[~2010-03-24 22:48 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-03-23 21:43 [Qemu-devel] Compile files only once: some planning Blue Swirl
2010-03-24  9:17 ` [Qemu-devel] " Juan Quintela
2010-03-24 17:56   ` Blue Swirl
2010-03-24 19:28     ` Juan Quintela
2010-03-24 22:47       ` Paul Brook [this message]
2010-03-24 22:57         ` Anthony Liguori
2010-03-25  3:08           ` Jamie Lokier
2010-03-25  2:54   ` Jamie Lokier
2010-03-24  9:47 ` Paolo Bonzini
2010-03-24 11:19   ` Richard Henderson
2010-03-24 14:45     ` Paolo Bonzini
2010-03-24 14:56       ` Paul Brook
2010-03-24 16:18         ` Paolo Bonzini
2010-03-24 17:27           ` Paul Brook
2010-03-24 17:07       ` Richard Henderson
2010-03-24 20:12         ` Richard Henderson
2010-03-24 18:00     ` Blue Swirl
2010-03-24 19:39 ` Michael S. Tsirkin
2010-03-24 20:05   ` Blue Swirl
2010-03-24 20:08     ` Michael S. Tsirkin
2010-03-24 20:24       ` Blue Swirl
2010-03-24 20:24         ` Michael S. Tsirkin
2010-03-24 20:32           ` Blue Swirl
2010-03-24 20:28         ` Anthony Liguori
2010-03-24 21:00         ` Aurelien Jarno
2010-03-24 22:33     ` Paul Brook
2010-03-24 22:50       ` Anthony Liguori
2010-03-24 23:05         ` Paul Brook
2010-03-24 23:07           ` Anthony Liguori
2010-03-25  8:21             ` Michael S. Tsirkin
2010-03-25 12:01               ` Paul Brook

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