linux-kernel - Re: [PATCH 0/3] modpost: work around unaligned data access

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Message-ID: <92669b2d182b314f10fe7cc92ad6bc7fd4096d35.camel@physik.fu-berlin.de>
Date: Fri, 27 Dec 2024 14:31:30 +0100
From: John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
To: Masahiro Yamada <masahiroy@...nel.org>
Cc: gregkh@...e.de, linux-arm-kernel@...ts.infradead.org, 
	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
 nathan@...nel.org, 	nicolas@...sle.eu, rusty@...tcorp.com.au
Subject: Re: [PATCH 0/3] modpost: work around unaligned data access

Hi Masahiro,

On Thu, 2024-12-26 at 22:55 +0900, Masahiro Yamada wrote:
> > I have just applied this series against Linus' tree and I can confirm that it fixes the
> > unalignment access anymore on sparc64. There is no more "Bus error" and the build succeeds.
> > 
> > Tested-by: John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>
> 
> 
> Thanks for the compile test.
> 
> Loadable modules (*.ko files) are relocatable ELF.
> So, there is no alignment in *.ko files any more
> if the latest binutils is used.
> 
> Just in case, I did run-tests for arm and arm64.
> Even if there is no alignment in *.ko files,
> I confirmed that the kernel can load modules.
> 
> If you have time, please run-test and
> double-check loadable modules are working.

I have just verified that. I applied your series against v6.13-rc4 and can confirm
that module loading works without any issues on sparc64. Tested on SPARC T5 LDOM.

So, please extend my Tested-By to both compile and runtime testing on sparc64.

Tested-by: John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>

Adrian

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