linux-kernel - Re: [PATCH 6.4 00/28] 6.4.1-rc1 review

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Date:   Fri, 30 Jun 2023 15:51:51 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     Naresh Kamboju <naresh.kamboju@...aro.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, patches@...ts.linux.dev,
        linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
        shuah@...nel.org, patches@...nelci.org,
        lkft-triage@...ts.linaro.org, pavel@...x.de, jonathanh@...dia.com,
        f.fainelli@...il.com, sudipm.mukherjee@...il.com,
        srw@...dewatkins.net, rwarsow@....de, conor@...nel.org,
        linux-parisc <linux-parisc@...r.kernel.org>,
        sparclinux@...r.kernel.org,
        Stephen Rothwell <sfr@...b.auug.org.au>,
        Helge Deller <deller@....de>,
        Jason Wang <wangborong@...rlc.com>
Subject: Re: [PATCH 6.4 00/28] 6.4.1-rc1 review

On 6/29/23 23:47, Linus Torvalds wrote:
> On Thu, 29 Jun 2023 at 23:33, Linus Torvalds
> <torvalds@...ux-foundation.org> wrote:
>>
>> Oh well.  We'll get them all. Eventually. Let me go fix up that csky case.
> 
> It's commit e55e5df193d2 ("csky: fix up lock_mm_and_find_vma() conversion").
> 
> Let's hope all the problems are these kinds of silly - but obvious -
> naming differences between different architectures.
> 
> Because as long as they cause build errors, they may be embarrassing,
> but easy to find and notice.
> 
> I may not have cared enough about some of these architectures, and it
> shows. sparc32. parisc. csky...
> 

There is one more, unfortunately.

Building xtensa:de212:kc705-nommu:nommu_kc705_defconfig ... failed
------------
Error log:
arch/xtensa/mm/fault.c: In function ‘do_page_fault’:
arch/xtensa/mm/fault.c:133:8: error: implicit declaration of function ‘lock_mm_and_find_vma’

This affects all stable release candidates as well as mainline.
mmu builds are fine, and indeed lock_mm_and_find_vma() is only declared
for CONFIG_MMU. I don't know if this needs a dummy or some other fix
for the nommu case.

Guenter