[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH 10/10] linux-user: init_guest_space: Try to make
|
From: |
Richard Henderson |
|
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 |
|
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0 |
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~