linux-kernel - Re: [PATCH 5.15 000/565] 5.15.174-rc1 review

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Message-ID: <436a575b-4ec0-43a2-b4e9-7eb00d9bbbeb@roeck-us.net>
Date: Sun, 15 Dec 2024 07:24:40 -0800
From: Guenter Roeck <linux@...ck-us.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, 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,
 hargar@...rosoft.com, broonie@...nel.org
Subject: Re: [PATCH 5.15 000/565] 5.15.174-rc1 review

On 12/12/24 06:53, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 5.15.174 release.
> There are 565 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 Sat, 14 Dec 2024 14:41:35 +0000.
> Anything received after that time might be too late.
> 

All parisc builds fail.

In file included from include/linux/pci-dma-compat.h:8,
                  from include/linux/pci.h:2477:
include/linux/dma-mapping.h:546:47: error: macro "cache_line_size" passed 1 arguments, but takes just 0
   546 | static inline int dma_get_cache_alignment(void)
       |                                               ^
arch/parisc/include/asm/cache.h:31: note: macro "cache_line_size" defined here
    31 | #define cache_line_size()       dcache_stride
       |
include/linux/dma-mapping.h:547:1: error: expected '=', ',', ';', 'asm' or '__attribute__' before '{' token
   547 | {

There are also lots of warnings.

./include/linux/slab.h:208: warning: "ARCH_KMALLOC_MINALIGN" redefined
   208 | #define ARCH_KMALLOC_MINALIGN ARCH_DMA_MINALIGN

./arch/parisc/include/asm/cache.h:28: note: this is the location of the previous definition
    28 | #define ARCH_KMALLOC_MINALIGN   16      /* ldcw requires 16-byte alignment */

Bisect log attached. Reverting the offending patch fixes the build error and the warnings.

Guenter

---
# bad: [963e654022cc32d72c184b4ab86a76226b3e3b8d] Linux 5.15.174
# good: [0a51d2d4527b43c5e467ffa6897deefeaf499358] Linux 5.15.173
git bisect start 'HEAD' 'v5.15.173'
# good: [16aa78edf6dd33d13320a0802322cade7a9e587b] net: hsr: fix hsr_init_sk() vs network/transport headers.
git bisect good 16aa78edf6dd33d13320a0802322cade7a9e587b
# bad: [c20f91bd939553be347196ecf4ab7b69dff19193] ethtool: Fix wrong mod state in case of verbose and no_mask bitset
git bisect bad c20f91bd939553be347196ecf4ab7b69dff19193
# bad: [f5872a2a84ec889d0a8f264d3ed0936670860479] rpmsg: glink: Propagate TX failures in intentless mode as well
git bisect bad f5872a2a84ec889d0a8f264d3ed0936670860479
# bad: [1d1e618c170643dfb07ebd1f6cab64278bfa06eb] exfat: fix uninit-value in __exfat_get_dentry_set
git bisect bad 1d1e618c170643dfb07ebd1f6cab64278bfa06eb
# bad: [13327d78229f954995a8535b369d4aa7f1d721dc] Revert "drivers: clk: zynqmp: update divider round rate logic"
git bisect bad 13327d78229f954995a8535b369d4aa7f1d721dc
# good: [098480edee1b64b6e811e0bf101b32cd11e71582] misc: apds990x: Fix missing pm_runtime_disable()
git bisect good 098480edee1b64b6e811e0bf101b32cd11e71582
# bad: [dadac97f066a67334268132c1e2d0fd599fbcbec] parisc: fix a possible DMA corruption
git bisect bad dadac97f066a67334268132c1e2d0fd599fbcbec
# good: [3c7355690f375bcfa3639aea7daa801789a85532] ALSA: hda/realtek: Update ALC256 depop procedure
git bisect good 3c7355690f375bcfa3639aea7daa801789a85532
# good: [487b128f07b82294bd0847c2c462dfcf1de9660a] apparmor: fix 'Do simple duplicate message elimination'
git bisect good 487b128f07b82294bd0847c2c462dfcf1de9660a
# first bad commit: [dadac97f066a67334268132c1e2d0fd599fbcbec] parisc: fix a possible DMA corruption