From: Richard Palethorpe <rpalethorpe@suse.de>
To: Tarun Sahu <tsahu@linux.ibm.com>
Cc: aneesh.kumar@linux.ibm.com, ltp@lists.linux.it,
sbhat@linux.ibm.com, geetika@linux.ibm.com,
vaibhav@linux.ibm.com
Subject: Re: [LTP] [PATCH 8/8] Hugetlb: Migrating libhugetlbfs misaligned_offset
Date: Mon, 12 Dec 2022 14:33:08 +0000 [thread overview]
Message-ID: <87r0x4u1x2.fsf@suse.de> (raw)
In-Reply-To: <20221201122844.142062-9-tsahu@linux.ibm.com>
Tarun Sahu <tsahu@linux.ibm.com> writes:
> Migrating the libhugetlbfs/testcases/misaligned_offset.c test
>
> Test Name: Misaligned offset
>
> Test Description: At one stage, a misconversion of hugetlb_vmtruncate_list
> to a prio_tree meant that on 32-bit machines, truncates at or above 4GB
> could truncate lower pages, resulting in BUG_ON()s.
>
> WARNING: The offsets and addresses used within are specifically
> calculated to trigger the bug as it existed. Don't mess with them
> unless you *really* know what you're doing.
>
> The kernel bug in question was fixed with
> 'commit 856fc2950555 ("[PATCH] hugetlb: fix prio_tree unit")'.
>
> Signed-off-by: Tarun Sahu <tsahu@linux.ibm.com>
Reviewed-by: Richard Palethorpe <rpalethorpe@suse.com>
--
Thank you,
Richard.
--
Mailing list info: https://lists.linux.it/listinfo/ltp
next prev parent reply other threads:[~2022-12-12 14:34 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-01 12:28 [LTP] [PATCH 0/8][PART 3] Hugetlb:Migrating the libhugetlbfs tests Tarun Sahu
2022-12-01 12:28 ` [LTP] [PATCH 1/8] Hugetlb: Migrating libhugetlbfs fork-cow Tarun Sahu
2022-12-05 12:28 ` Richard Palethorpe
2022-12-07 12:47 ` Tarun Sahu
2022-12-08 8:54 ` Richard Palethorpe
2022-12-01 12:28 ` [LTP] [PATCH 2/8] Hugetlb: Migrating libhugetlbfs huge_at_4GB_normal_below Tarun Sahu
2022-12-05 13:32 ` Richard Palethorpe
2022-12-07 12:54 ` Tarun Sahu
2022-12-01 12:28 ` [LTP] [PATCH 3/8] Hugetlb: Migrating libhugetlbfs huge_below_4GB_normal_above Tarun Sahu
2022-12-06 8:57 ` Richard Palethorpe
2022-12-07 12:51 ` Tarun Sahu
2022-12-01 12:28 ` [LTP] [PATCH 4/8] Hugetlb: Migrating libhugetlbfs icache-hygiene Tarun Sahu
2022-12-12 14:08 ` Richard Palethorpe
2022-12-13 17:27 ` Tarun Sahu
2022-12-19 21:01 ` Tarun Sahu
2022-12-01 12:28 ` [LTP] [PATCH 5/8] Hugetlb: Migrating libhugetlbfs madvise_reserve Tarun Sahu
2022-12-12 14:22 ` Richard Palethorpe
2022-12-01 12:28 ` [LTP] [PATCH 6/8] Hugetlb: Migrating libhugetlbfs map_high_truncate_2 Tarun Sahu
2022-12-12 14:26 ` Richard Palethorpe
2022-12-01 12:28 ` [LTP] [PATCH 7/8] Hugetlb: Migrating libhugetlbfs misalign Tarun Sahu
2022-12-12 14:32 ` Richard Palethorpe
2022-12-01 12:28 ` [LTP] [PATCH 8/8] Hugetlb: Migrating libhugetlbfs misaligned_offset Tarun Sahu
2022-12-12 14:33 ` Richard Palethorpe [this message]
2022-12-12 14:50 ` [LTP] [PATCH 0/8][PART 3] Hugetlb:Migrating the libhugetlbfs tests Richard Palethorpe
2022-12-13 5:00 ` Tarun Sahu
-- strict thread matches above, loose matches on Subject: below --
2022-11-20 19:15 [LTP] [PATCH v5 0/7][PART 2] " Tarun Sahu
2022-12-01 12:02 ` [LTP] [PATCH 0/8][PART 3] " Tarun Sahu
2022-12-01 12:02 ` [LTP] [PATCH 8/8] Hugetlb: Migrating libhugetlbfs misaligned_offset Tarun Sahu
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