From: Richard Henderson <richard.henderson@linaro.org>
To: Peter Maydell <peter.maydell@linaro.org>,
Luke Shumaker <lukeshu@lukeshu.com>
Cc: Luke Shumaker <lukeshu@parabola.nu>,
Riku Voipio <riku.voipio@iki.fi>,
Laurent Vivier <laurent@vivier.eu>,
QEMU Developers <qemu-devel@nongnu.org>,
Paul Brook <paul@codesourcery.com>
Subject: Re: [Qemu-devel] [PATCH 10/10] linux-user: init_guest_space: Try to make ARM space+commpage continuous
Date: Sat, 3 Mar 2018 06:09:43 -0800 [thread overview]
Message-ID: <3befdaff-0a84-d2ff-25b9-2df8018c7697@linaro.org> (raw)
In-Reply-To: <CAFEAcA9joyBcXSOqDu=hWRUZPKA1wEKMpYhRr5+p0YCKQOs5Kw@mail.gmail.com>
On 03/02/2018 06:13 AM, Peter Maydell wrote:
> Does anybody know why we allow the user to specify
> it on the command line? (git revision history doesn't help, it just says
> there's been a -pagesize argument since commit 54936004fddc5 in 2003,
> right back when mmap emulation was first added...)
I *think* it is to allow two different hosts with different page sizes to
achieve the same memory layout, so that tcg traces are more easily compared, to
root out bugs in the second host's tcg backend.
That's the only thing that I've used it for, anyway.
r~
next prev parent reply other threads:[~2018-03-03 14:09 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-28 18:08 [Qemu-devel] [PATCH 00/10] linux-user: Speed up guest space initialization on 32-bit ARM target Luke Shumaker
2017-12-28 18:08 ` [Qemu-devel] [PATCH 01/10] linux-user: Use #if to only call validate_guest_space for " Luke Shumaker
2018-02-23 18:35 ` Peter Maydell
2018-02-23 18:48 ` Peter Maydell
2018-03-02 13:18 ` Peter Maydell
2018-03-09 20:20 ` Laurent Vivier
2017-12-28 18:08 ` [Qemu-devel] [PATCH 02/10] linux-user: Rename validate_guest_space => init_guest_commpage Luke Shumaker
2018-03-02 13:18 ` Peter Maydell
2018-03-09 20:24 ` Laurent Vivier
2017-12-28 18:08 ` [Qemu-devel] [PATCH 03/10] linux-user: init_guest_space: Clean up if we can't initialize the commpage Luke Shumaker
2018-02-23 18:38 ` Peter Maydell
2018-03-09 20:25 ` Laurent Vivier
2017-12-28 18:08 ` [Qemu-devel] [PATCH 04/10] linux-user: init_guest_space: Correctly handle guest_start in commpage initialization Luke Shumaker
2018-03-02 13:19 ` Peter Maydell
2018-03-09 20:26 ` Laurent Vivier
2017-12-28 18:08 ` [Qemu-devel] [PATCH 05/10] linux-user: init_guest_space: Clarify page alignment logic Luke Shumaker
2018-03-02 13:19 ` Peter Maydell
2018-03-09 20:28 ` Laurent Vivier
2017-12-28 18:08 ` [Qemu-devel] [PATCH 06/10] linux-user: init_guest_commpage: Add a comment about size check Luke Shumaker
2018-03-02 13:20 ` Peter Maydell
2018-03-09 20:30 ` Laurent Vivier
2017-12-28 18:08 ` [Qemu-devel] [PATCH 07/10] linux-user: init_guest_space: Clean up control flow a bit Luke Shumaker
2018-03-02 13:20 ` Peter Maydell
2018-03-09 20:37 ` Laurent Vivier
2018-03-13 13:30 ` Laurent Vivier
2018-03-13 13:54 ` Peter Maydell
2018-03-13 14:00 ` Laurent Vivier
2017-12-28 18:08 ` [Qemu-devel] [PATCH 08/10] linux-user: init_guest_space: Don't try to align if we'll reject it Luke Shumaker
2018-03-02 13:20 ` Peter Maydell
2018-03-13 14:02 ` Laurent Vivier
2017-12-28 18:08 ` [Qemu-devel] [PATCH 09/10] linux-user: init_guest_space: Add a comment about search strategy Luke Shumaker
2018-03-02 13:20 ` Peter Maydell
2018-03-13 14:04 ` Laurent Vivier
2017-12-28 18:08 ` [Qemu-devel] [PATCH 10/10] linux-user: init_guest_space: Try to make ARM space+commpage continuous Luke Shumaker
2018-03-02 14:13 ` Peter Maydell
2018-03-03 14:09 ` Richard Henderson [this message]
2018-03-20 15:23 ` Laurent Vivier
2018-03-20 15:53 ` Peter Maydell
2018-03-20 18:49 ` Luke Shumaker
2018-03-20 18:50 ` Laurent Vivier
2018-03-20 18:57 ` Peter Maydell
2018-01-15 17:33 ` [Qemu-devel] [PATCH 00/10] linux-user: Speed up guest space initialization on 32-bit ARM target Luke Shumaker
2018-02-09 2:29 ` Luke Shumaker
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