linux-kernel - Re: [PATCH 5.15 000/256] 5.15.27-rc2 review

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Date:   Tue, 8 Mar 2022 14:45:50 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Naresh Kamboju <naresh.kamboju@...aro.org>
Cc:     Sudip Mukherjee <sudipm.mukherjee@...il.com>,
        Huang Pei <huangpei@...ngson.cn>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Stable <stable@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Shuah Khan <shuah@...nel.org>, patches@...nelci.org,
        lkft-triage@...ts.linaro.org, Pavel Machek <pavel@...x.de>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Florian Fainelli <f.fainelli@...il.com>, slade@...dewatkins.com
Subject: Re: [PATCH 5.15 000/256] 5.15.27-rc2 review

On 3/8/22 13:05, Greg Kroah-Hartman wrote:
> On Tue, Mar 08, 2022 at 11:08:10PM +0530, Naresh Kamboju wrote:


[ ... ]

>>>
>>> Reverting 4778338032b3 ("MIPS: fix local_{add,sub}_return on MIPS64")
>>> has fixed all the 3 build failures.
>>
>> MIPS: fix local_{add,sub}_return on MIPS64
>> [ Upstream commit 277c8cb3e8ac199f075bf9576ad286687ed17173 ]
>>
>> Use "daddu/dsubu" for long int on MIPS64 instead of "addu/subu"
>>
>> Fixes: 7232311ef14c ("local_t: mips extension")
>> Signed-off-by: Huang Pei <huangpei@...ngson.cn>
>> Signed-off-by: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
>> Signed-off-by: Sasha Levin <sashal@...nel.org>
> 
> Ah, I'll queue up the revert for that in the morning, thanks for finding
> it.  Odd it doesn't trigger the same issue in 5.16.y.
> 

If you don't want to revert: the fix needs the following two patches:

e5b40668e93 ("slip: fix macro redefine warning")
b81e0c2372e ("block: drop unused includes in <linux/genhd.h>")

Both are in v5.16, so you won't see the problem there.

Guenter