From: "David Hildenbrand (Red Hat)" <david@kernel.org>
To: Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
kernel test robot <oliver.sang@intel.com>
Cc: oe-lkp@lists.linux.dev, lkp@intel.com,
Andrew Morton <akpm@linux-foundation.org>,
suschako@amazon.de, Laurence Oberman <loberman@redhat.com>,
aneesh.kumar@kernel.org, Arnd Bergmann <arnd@arndb.de>,
Jann Horn <jannh@google.com>,
Liam Howlett <liam.howlett@oracle.com>,
Liu Shixin <liushixin2@huawei.com>,
Muchun Song <muchun.song@linux.dev>,
Nadav Amit <nadav.amit@gmail.com>,
Nicholas Piggin <npiggin@gmail.com>,
Oscar Salvador <osalvador@suse.de>,
Peter Zijlstra <peterz@infradead.org>,
Prakash Sangappa <prakash.sangappa@oracle.com>,
Rik van Riel <riel@surriel.com>, Vlastimil Babka <vbabka@suse.cz>,
Will Deacon <will@kernel.org>, Lance Yang <lance.yang@linux.dev>,
linux-arch@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [linux-next:master] [mm/hugetlb] 0e1ad0324a: WARNING:at_mm/mmu_gather.c:#tlb_finish_mmu
Date: Thu, 11 Dec 2025 01:55:30 +0100 [thread overview]
Message-ID: <83c42274-4c26-4a9e-8199-190336c18d79@kernel.org> (raw)
In-Reply-To: <3966c02a-ec07-43c4-a230-8453f000a8c4@lucifer.local>
On 12/10/25 16:02, Lorenzo Stoakes wrote:
> On Wed, Dec 10, 2025 at 10:55:40PM +0800, kernel test robot wrote:
>>
>>
>> Hello,
>>
>> kernel test robot noticed "WARNING:at_mm/mmu_gather.c:#tlb_finish_mmu" on:
>>
>> commit: 0e1ad0324aabb5aef3ef409de9a395cda7ee6098 ("mm/hugetlb: fix excessive IPI broadcasts when unsharing PMD tables using mmu_gather")
>> https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
>
> This is the:
>
> VM_WARN_ON_ONCE(tlb->fully_unshared_tables);
>
> test case, so is likely the issue that Nadav raised where this isn't being
> initialised properly so is just spuriously firing off.
>
Yes, I assume so. Surprised that this series is in -next already, so I
didn't send a fixup out yet.
Let me try doing that later today.
--
Cheers
David
prev parent reply other threads:[~2025-12-11 0:55 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-10 14:55 kernel test robot
2025-12-10 15:02 ` Lorenzo Stoakes
2025-12-11 0:55 ` David Hildenbrand (Red Hat) [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=83c42274-4c26-4a9e-8199-190336c18d79@kernel.org \
--to=david@kernel.org \
--cc=akpm@linux-foundation.org \
--cc=aneesh.kumar@kernel.org \
--cc=arnd@arndb.de \
--cc=jannh@google.com \
--cc=lance.yang@linux.dev \
--cc=liam.howlett@oracle.com \
--cc=linux-arch@vger.kernel.org \
--cc=linux-mm@kvack.org \
--cc=liushixin2@huawei.com \
--cc=lkp@intel.com \
--cc=loberman@redhat.com \
--cc=lorenzo.stoakes@oracle.com \
--cc=muchun.song@linux.dev \
--cc=nadav.amit@gmail.com \
--cc=npiggin@gmail.com \
--cc=oe-lkp@lists.linux.dev \
--cc=oliver.sang@intel.com \
--cc=osalvador@suse.de \
--cc=peterz@infradead.org \
--cc=prakash.sangappa@oracle.com \
--cc=riel@surriel.com \
--cc=suschako@amazon.de \
--cc=vbabka@suse.cz \
--cc=will@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox