linux-kernel - Re: [PATCH 00/12] A minor flurry of selftest/mm fixes

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Message-ID: <2a826310-f948-66a7-2003-dcbf36e16caf@nvidia.com>
Date:   Fri, 2 Jun 2023 10:51:21 -0700
From:   John Hubbard <jhubbard@...dia.com>
To:     David Hildenbrand <david@...hat.com>,
        Andrew Morton <akpm@...ux-foundation.org>
CC:     Peter Xu <peterx@...hat.com>, Shuah Khan <shuah@...nel.org>,
        "Nathan Chancellor" <nathan@...nel.org>, <linux-mm@...ck.org>,
        <linux-kselftest@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 00/12] A minor flurry of selftest/mm fixes

On 6/2/23 02:32, David Hildenbrand wrote:
> On 02.06.23 03:33, John Hubbard wrote:
>> It turned out that an even dozen patches were required in order to get the
>> selftests building cleanly, and all running, once again. I made it worse on
>> myself by insisting on using clang, which seems to uncover a few more warnings
>> than gcc these days.
>>
>> So I still haven't gotten to my original goal of running a new HMM test that
>> Alistair handed me (it's not here yet), but at least this fixes everything I ran
>> into just now.
> 
> Thanks, now I can stop commenting out some (IIRC primarily uffd-related) tests when just wanting to run some specific tests on some of odd installations :D

aha! :)

> 
> I assume this round you only consideres 64bit builds, right? My last attempts with 32bit revealed a lot of issues, and I only fixed what I really wanted to test (COW).
> 

Yes, that's correct. I only tested on 64-bit. I've drifted into a
"32 bit is mostly just for embedded systems" sort of mindset lately,
and don't have anything set up for testing those locally.


thanks,
-- 
John Hubbard
NVIDIA