linux-kernel - Re: [PATCH 5.16 00/37] 5.16.14-rc1 review

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Date:   Wed, 9 Mar 2022 11:05:15 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org
Cc:     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 5.16 00/37] 5.16.14-rc1 review

On 3/9/22 08:00, Greg Kroah-Hartman wrote:
> This is the start of the stable review cycle for the 5.16.14 release.
> There are 37 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 Fri, 11 Mar 2022 15:58:48 +0000.
> Anything received after that time might be too late.
> 

Almost all arm builds, all branches from 4.9.y to 5.16.y:

Error log:
arch/arm/common/secure_cntvoff.S: Assembler messages:
arch/arm/common/secure_cntvoff.S:24: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4'
arch/arm/common/secure_cntvoff.S:27: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4'
arch/arm/common/secure_cntvoff.S:29: Error: co-processor register expected -- `mcr p15,0,r0,c7,r5,4'

bisect log:

# bad: [3416254dac79ea26e08dffde371ab1fd3130223c] Linux 5.16.14-rc1
# good: [6273c309621c9dd61c9c3f6d63f5d56ee2d89c73] Linux 5.16.13
git bisect start 'HEAD' 'v5.16.13'
# bad: [4403d69931dbc17659845d2d710602bbe35b4398] KVM: arm64: Allow indirect vectors to be used without SPECTRE_V3A
git bisect bad 4403d69931dbc17659845d2d710602bbe35b4398
# good: [6f0cf3a1eb8b46a5d652a395ba25a59c32a86692] ARM: report Spectre v2 status through sysfs
git bisect good 6f0cf3a1eb8b46a5d652a395ba25a59c32a86692
# bad: [87e96a363eb4a62b65bb974a46d518a87153cd1c] arm64: add ID_AA64ISAR2_EL1 sys register
git bisect bad 87e96a363eb4a62b65bb974a46d518a87153cd1c
# good: [654f0a73f042662a36155a0cafa30db846ccb5a9] ARM: use LOADADDR() to get load address of sections
git bisect good 654f0a73f042662a36155a0cafa30db846ccb5a9
# bad: [91bdae56c40ee6de675fba6ac283311c92c437ce] ARM: include unprivileged BPF status in Spectre V2 reporting
git bisect bad 91bdae56c40ee6de675fba6ac283311c92c437ce
# bad: [95ff4cb3b696a581d6166f0d754771bf9af5e27b] ARM: Spectre-BHB workaround
git bisect bad 95ff4cb3b696a581d6166f0d754771bf9af5e27b
# first bad commit: [95ff4cb3b696a581d6166f0d754771bf9af5e27b] ARM: Spectre-BHB workaround

Guenter