linux-kernel - Re: [PATCH 5.15 000/262] 5.15.27-rc1 review

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Date:   Mon, 7 Mar 2022 08:34:48 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, stable@...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,
        slade@...dewatkins.com
Subject: Re: [PATCH 5.15 000/262] 5.15.27-rc1 review

On 3/7/22 08:20, Greg Kroah-Hartman wrote:
> On Mon, Mar 07, 2022 at 06:36:22AM -0800, Guenter Roeck wrote:
>> On 3/7/22 01:15, Greg Kroah-Hartman wrote:
>>> This is the start of the stable review cycle for the 5.15.27 release.
>>> There are 262 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 Wed, 09 Mar 2022 09:16:25 +0000.
>>> Anything received after that time might be too late.
>>>
>>
>> In addition to other reported build errors:
>>
>> Building mips:allmodconfig ... failed
>> --------------
>> Error log:
>> drivers/net/hamradio/mkiss.c:35: error: "END" redefined
> 
> That is odd, I don't see any changes to that driver, nor any MIPS
> changes that touch "END".
> 
> I don't even see "END" in the diff anywhere.
> 
> Any chance you can bisect?
> 

git bisect start 'HEAD' 'v5.15.26'
# bad: [20ab3ebe56f306d821cf1c6858cf29f4d2e0075a] drm/amd/display: Fix stream->link_enc unassigned during stream removal
git bisect bad 20ab3ebe56f306d821cf1c6858cf29f4d2e0075a
# bad: [2f01eec30992529350bae197f73d71136b35e3b1] Input: ti_am335x_tsc - fix STEPCONFIG setup for Z2
git bisect bad 2f01eec30992529350bae197f73d71136b35e3b1
# good: [d369b344b4fb5a6ab9f72bacece674526761b885] arm64: Mark start_backtrace() notrace and NOKPROBE_SYMBOL
git bisect good d369b344b4fb5a6ab9f72bacece674526761b885
# good: [46f46f14bd45acdabcfb1d9f3b648f4a27d18c08] bpf, arm64: Use emit_addr_mov_i64() for BPF_PSEUDO_FUNC
git bisect good 46f46f14bd45acdabcfb1d9f3b648f4a27d18c08
# bad: [5b0c543b875e976e74c347b2d009c6519a6d2939] KVM: s390: Ensure kvm_arch_no_poll() is read once when blocking vCPU
git bisect bad 5b0c543b875e976e74c347b2d009c6519a6d2939
# bad: [58452f46ddb11fbe5b5f31d93a979d57efdad4b1] PCI: rcar: Check if device is runtime suspended instead of __clk_is_enabled()
git bisect bad 58452f46ddb11fbe5b5f31d93a979d57efdad4b1
# bad: [d6ab8da0cb6234fbc4fd240b9d7470b4c03d5df9] signal: In get_signal test for signal_group_exit every time through the loop
git bisect bad d6ab8da0cb6234fbc4fd240b9d7470b4c03d5df9
# bad: [53863a048566989e87f8bb306e835f940a10ed73] MIPS: fix local_{add,sub}_return on MIPS64
git bisect bad 53863a048566989e87f8bb306e835f940a10ed73
# first bad commit: [53863a048566989e87f8bb306e835f940a10ed73] MIPS: fix local_{add,sub}_return on MIPS64

The problem is the innocent looking

  #include <linux/atomic.h>
+#include <asm/asm.h>
  #include <asm/cmpxchg.h>

in that patch. Reverting it fixes the problem. Alternatively, you could apply
commit 16517829f2e0 ("hamradio: fix macro redefine warning").

Guenter