linux-kernel - Re: [PATCH 6.17 000/371] 6.17.4-rc1 review

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Message-ID: <90bc04ea-e7ec-49b9-ae6e-d0e2c85bbf96@w6rz.net>
Date: Fri, 17 Oct 2025 16:04:23 -0700
From: Ron Economos <re@...z.net>
To: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org
Cc: patches@...ts.linux.dev, linux-kernel@...r.kernel.org,
 torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
 linux@...ck-us.net, 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, rwarsow@....de,
 conor@...nel.org, hargar@...rosoft.com, broonie@...nel.org, achill@...ill.org
Subject: Re: [PATCH 6.17 000/371] 6.17.4-rc1 review

On 10/17/25 07:49, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 6.17.4 release.
> There are 371 patches in this series, all will be posted as a response
> to this one.  If anyone has any issues with these being applied, please
> let me know.
>
> Responses should be made by Sun, 19 Oct 2025 14:50:59 +0000.
> Anything received after that time might be too late.
>
> The whole patch series can be found in one patch at:
> 	https://www.kernel.org/pub/linux/kernel/v6.x/stable-review/patch-6.17.4-rc1.gz
> or in the git tree and branch at:
> 	git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable-rc.git linux-6.17.y
> and the diffstat can be found below.
>
> thanks,
>
> greg k-h

Build fails for RISC-V with:

In file included from ./include/linux/pgtable.h:6,
                  from ./include/linux/mm.h:31,
                  from arch/riscv/kernel/asm-offsets.c:8:
./arch/riscv/include/asm/pgtable.h:963:21: error: redefinition of 
'pudp_huge_get_and_clear'
   963 | static inline pud_t pudp_huge_get_and_clear(struct mm_struct *mm,
       |                     ^~~~~~~~~~~~~~~~~~~~~~~
./arch/riscv/include/asm/pgtable.h:946:21: note: previous definition of 
'pudp_huge_get_and_clear' with type 'pud_t(struct mm_struct *, long 
unsigned int,  pud_t *)'
   946 | static inline pud_t pudp_huge_get_and_clear(struct mm_struct *mm,
       |                     ^~~~~~~~~~~~~~~~~~~~~~~

Reverting 06536c4857271eeb19d76dbb4af989e2654a94e0 riscv: use an atomic 
xchg in pudp_huge_get_and_clear() fixes the build.

The problem is that this patch was already applied to 6.17 just before 
release, so the function pudp_huge_get_and_clear() ends up being 
duplicated in the file.