From: Breno Leitao <leitao@debian.org>
To: Andrew Morton <akpm@linux-foundation.org>
Cc: riel@surriel.com, linux-mm@kvack.org, vegard.nossum@oracle.com,
rppt@kernel.org, songmuchun@bytedance.com, shy828301@gmail.com,
linux-kselftest@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/1] selftest/mm/hugetlb: SIGBUS on stolen page
Date: Fri, 5 Jan 2024 09:40:41 -0800 [thread overview]
Message-ID: <ZZg/GfXCeovU0eeN@gmail.com> (raw)
In-Reply-To: <20240105084238.306269c3f3a63cb0fd130baa@linux-foundation.org>
On Fri, Jan 05, 2024 at 08:42:38AM -0800, Andrew Morton wrote:
> On Fri, 5 Jan 2024 07:54:18 -0800 Breno Leitao <leitao@debian.org> wrote:
>
> > This test case triggers a race between madvise(MADV_DONTNEED) and
> > mmap() in a single huge page, which got stolen (while reserved).
> >
> > Once the only page is stolen, the memory previously mmaped (and
> > madvise(MADV_DONTNEED) got a SIGBUS when accessed.
> >
> > I am not adding this test to the un_vmtests.sh scripts, since this test
> > fails at upstream.
>
> Oh. Is a fix for this in the pipeline? If so, I assume that once the
> fix is merged, we enable this test in run_vmtests?
The fix is not ready yet. As soon as the fix lands, I will enable the
test in run_vmtests.
next prev parent reply other threads:[~2024-01-05 17:40 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-05 15:54 [PATCH 0/1] selftest/mm/hugetlb: SIGBUS on stolen page Breno Leitao
2024-01-05 15:54 ` [PATCH 1/1] selftests/mm: new test that steals pages Breno Leitao
2024-01-10 5:47 ` Andrew Morton
2024-01-10 9:18 ` Breno Leitao
2024-01-05 16:42 ` [PATCH 0/1] selftest/mm/hugetlb: SIGBUS on stolen page Andrew Morton
2024-01-05 17:40 ` Breno Leitao [this message]
2024-01-05 19:00 ` Rik van Riel
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