From: Marc Zyngier <marc.zyngier@arm.com>
To: Christoffer Dall <cdall@linaro.org>
Cc: Arnd Bergmann <arnd@arndb.de>,
"Olof's autobuilder" <build@lixom.net>,
Olof Johansson <olof@lixom.net>,
Kernel Build Reports Mailman List
<kernel-build-reports@lists.linaro.org>,
Stable <stable@vger.kernel.org>,
gregkh <gregkh@linuxfoundation.org>,
Suzuki K Poulose <suzuki.poulose@arm.com>,
Andre Przywara <andre.przywara@arm.com>,
Will Deacon <will.deacon@arm.com>
Subject: Re: stable-rc build: 3 warnings 3 failures (stable-rc/v4.4.68-29-geca6664)
Date: Thu, 18 May 2017 08:08:41 +0100 [thread overview]
Message-ID: <8637c28ww6.fsf@arm.com> (raw)
In-Reply-To: <CAMJs5B_rjsD_uWKgFMvSwhfrgJ3rMCQLfD37=zBxAiYwBk=Efw@mail.gmail.com> (Christoffer Dall's message of "Wed, 17 May 2017 10:57:15 +0200")
On Wed, May 17 2017 at 09:57:15 AM, Christoffer Dall <cdall@linaro.org> wrote:
> On Wed, May 17, 2017 at 10:37 AM, Arnd Bergmann <arnd@arndb.de> wrote:
>> On Wed, May 17, 2017 at 2:19 AM, Olof's autobuilder <build@lixom.net> wrote:
>>> -------------------------------------------------------------------------------
>>>
>>> Failed defconfigs:
>>> arm64.allmodconfig
>>> arm64.defconfig
>>> arm64.nosmp_defconfig
>>>
>>> -------------------------------------------------------------------------------
>>>
>>> Errors:
>>>
>>> arm64.allmodconfig:
>>> /work/build/batch/arch/arm64/include/asm/kvm_emulate.h:223:16:
>>> error: 'ESR_ELx_SYS64_ISS_RT_MASK' undeclared (first use in this
>>> function)
>>> /work/build/batch/arch/arm64/include/asm/kvm_emulate.h:223:46:
>>> error: 'ESR_ELx_SYS64_ISS_RT_SHIFT' undeclared (first use in this
>>> function)
>>> /work/build/batch/arch/arm64/include/asm/kvm_emulate.h:223:16:
>>> error: 'ESR_ELx_SYS64_ISS_RT_MASK' undeclared (first use in this
>>> function)
>>
>> This is evidently caused by the backport of
>> c667186f1c01 ("arm64: KVM: Fix decoding of Rt/Rt2 when trapping
>> AArch32 CP accesses")
>>
>> The missing constants were added in linux-4.9 by
>> 9dbd5bb25c56 ("arm64: Refactor sysinstr exception handling")
>>
>> I don't think that commit is something we want backported as well
>> as it is part of a longer series, but we could simply add the two
>> lines to arch/arm64/include/asm/esr.h:
>>
>> +#define ESR_ELx_SYS64_ISS_RT_SHIFT 5
>> +#define ESR_ELx_SYS64_ISS_RT_MASK (UL(0x1f) <<
>> ESR_ELx_SYS64_ISS_RT_SHIFT)
>>
>
> That seems like a good fix, but Marc has asked to have this patch
> dropped from v4.4 stable for now and will provide a backport later.
Sorry, I missed this earlier. I've just sent Greg an updated patch.
Thanks,
M.
--
Jazz is not dead. It just smells funny.
prev parent reply other threads:[~2017-05-18 7:08 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <591b970f.9985620a.cf175.1a5d@mx.google.com>
2017-05-17 8:37 ` stable-rc build: 3 warnings 3 failures (stable-rc/v4.4.68-29-geca6664) Arnd Bergmann
2017-05-17 8:57 ` Christoffer Dall
2017-05-18 7:08 ` Marc Zyngier [this message]
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