From: Christophe LEROY <christophe.leroy@c-s.fr>
To: Segher Boessenkool <segher@kernel.crashing.org>,
Michael Ellerman <mpe@ellerman.id.au>,
aneesh.kumar@linux.vnet.ibm.com
Cc: Andrew Donnellan <andrew.donnellan@au1.ibm.com>,
Russell Currey <ruscur@russell.cc>,
"Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>,
Benjamin Herrenschmidt <benh@kernel.crashing.org>,
Paul Mackerras <paulus@samba.org>,
linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 3/4] powerpc/mm: fix a warning when a cache is common to PGD and hugepages
Date: Thu, 23 Aug 2018 16:50:41 +0200 [thread overview]
Message-ID: <118d50a1-ccbf-7a15-a190-ac14f2a50d27@c-s.fr> (raw)
In-Reply-To: <20180823144118.GU24439@gate.crashing.org>
Le 23/08/2018 à 16:41, Segher Boessenkool a écrit :
> On Thu, Aug 23, 2018 at 11:32:16PM +1000, Andrew Donnellan wrote:
>> On 23/08/18 21:56, Michael Ellerman wrote:
>>> Christophe LEROY <christophe.leroy@c-s.fr> writes:
>>>
>>>> Le 23/08/2018 à 12:36, Segher Boessenkool a écrit :
>>>>> On Thu, Aug 23, 2018 at 11:40:22AM +0200, Christophe LEROY wrote:
>>>>>> The only small problème I have is that some version of GCC seems to
>>>>>> complain about big memset() (132k and 256k ones). Is there a way to tell
>>>>>> GCC we really want to do it ?
>>>>>
>>>>> I'm not sure what you mean. Complain, is that a warning, is that an
>>>>> error?
>>>>> What does it say? Do you have some example code to reproduce it? Etc.
>>>>
>>>> I saw the warnings in the checks at
>>>> https://patchwork.ozlabs.org/patch/957566/
>>>> Unfortunatly the link is now broken.
>>>
>>> ruscur/ajd any idea what happened to the snowpatch links here?
>>
>> I think they've disappeared because our log rotation is too fast - I've
>> now upped it to 30 days. I guess over time we'll figure out what we need
>> in this regard, ideally we'd keep logs indefinitely but they're several
>> megs per build.
>>
>> I've kicked off another build for this series and the links in Patchwork
>> should update to point to the new job when it's done (probably in the
>> next couple of hours).
>
> It's back, thanks Andrew!
>
> The warnings are not from GCC at all: the warnings are from sparse.
Oh, ok, my mistake, I reminded seeing those warnings without paying much
attention to them at that time.
Anyway, should we do anything about this warning ? If so, what
could/should be done ?
Christophe
next prev parent reply other threads:[~2018-08-23 14:50 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-14 14:54 [PATCH v2 1/4] powerpc/mm: enable the use of page table cache of order 0 Christophe Leroy
2018-08-14 14:54 ` [PATCH v2 2/4] powerpc/mm: replace hugetlb_cache by PGT_CACHE(PTE_T_ORDER) Christophe Leroy
2018-08-14 14:54 ` [PATCH v2 3/4] powerpc/mm: fix a warning when a cache is common to PGD and hugepages Christophe Leroy
2018-08-17 3:32 ` Aneesh Kumar K.V
2018-08-17 10:44 ` Christophe LEROY
2018-08-22 14:04 ` Christophe LEROY
2018-08-22 14:20 ` Aneesh Kumar K.V
2018-08-23 9:40 ` Christophe LEROY
2018-08-23 10:36 ` Segher Boessenkool
2018-08-23 10:39 ` Christophe LEROY
[not found] ` <87a7pdl2jy.fsf@concordia.ellerman.id.au>
2018-08-23 13:32 ` Andrew Donnellan
2018-08-23 14:41 ` Segher Boessenkool
2018-08-23 14:50 ` Christophe LEROY [this message]
2018-08-24 5:44 ` Michael Ellerman
2018-08-14 14:54 ` [PATCH v2 4/4] powerpc/mm: remove unnecessary test in pgtable_cache_init() Christophe Leroy
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