linux-kernel - Re: [PATCH 3/4] sparc: fix accurate exception reporting in copy_{from_to}

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Message-ID: <bcc8c498ccd773919c5dfe8026e4f25139151827.camel@physik.fu-berlin.de>
Date: Tue, 02 Sep 2025 19:11:33 +0200
From: John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
To: Rene Rebe <rene@...ctcode.com>
Cc: kernel@...rcher.dialup.fu-berlin.de, linux-kernel@...r.kernel.org, 
	sparclinux@...r.kernel.org, andreas@...sler.com, anthony.yznaga@...cle.com
Subject: Re: [PATCH 3/4] sparc: fix accurate exception reporting in
 copy_{from_to}_user for Niagara

On Tue, 2025-09-02 at 19:04 +0200, Rene Rebe wrote:
> someone in our Discord probably has one in the basement or attic, but
> the chances of them turning just that system on the next days or weeks
> is probably rather slim.
> 
> I guess testing all the "popular" systems: vintage collected
> workstations and affortable more modern higher performance T4 servers
> is all we got for the near future for this patches.

I just realized that QEMU can emulate a Niagara CPU, so we can test there:

https://www.qemu.org/docs/master/system/target-sparc64.html

Maybe you can test independently on QEMU as well using your kernel, then
your Tested-by will become valid.

Adrian

-- 
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer
`. `'   Physicist
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