From: Alexander Potapenko <glider@google.com>
To: andrey.konovalov@linux.dev
Cc: Marco Elver <elver@google.com>,
Andrey Konovalov <andreyknvl@gmail.com>,
Dmitry Vyukov <dvyukov@google.com>,
Vlastimil Babka <vbabka@suse.cz>,
kasan-dev@googlegroups.com,
Evgenii Stepanov <eugenis@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-mm@kvack.org, linux-kernel@vger.kernel.org,
Andrey Konovalov <andreyknvl@google.com>
Subject: Re: [PATCH 04/15] stackdepot: add depot_fetch_stack helper
Date: Wed, 30 Aug 2023 09:47:10 +0200 [thread overview]
Message-ID: <CAG_fn=XJ-fZTJPqrjcu2PVNzBvg8309M+jT4h_iGraYNN4APmA@mail.gmail.com> (raw)
In-Reply-To: <757ff72866010146fafda3049cb3749611cd7dd3.1693328501.git.andreyknvl@google.com>
On Tue, Aug 29, 2023 at 7:11 PM <andrey.konovalov@linux.dev> wrote:
>
> From: Andrey Konovalov <andreyknvl@google.com>
>
> Add a helper depot_fetch_stack function that fetches the pointer to
> a stack record.
>
> With this change, all static depot_* functions now operate on stack pools
> and the exported stack_depot_* functions operate on the hash table.
>
> Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Reviewed-by: Alexander Potapenko <glider@google.com>
(one nit below)
> +static struct stack_record *depot_fetch_stack(depot_stack_handle_t handle)
> +{
> + union handle_parts parts = { .handle = handle };
> + /*
> + * READ_ONCE pairs with potential concurrent write in
> + * depot_alloc_stack.
Nit: please change to "depot_alloc_stack()" for consistency with the
rest of the comments.
next prev parent reply other threads:[~2023-08-30 7:47 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-29 17:11 [PATCH 00/15] stackdepot: allow evicting stack traces andrey.konovalov
2023-08-29 17:11 ` [PATCH 01/15] stackdepot: check disabled flag when fetching andrey.konovalov
2023-08-30 7:40 ` Alexander Potapenko
2023-08-29 17:11 ` [PATCH 02/15] stackdepot: simplify __stack_depot_save andrey.konovalov
2023-08-30 7:41 ` Alexander Potapenko
2023-08-29 17:11 ` [PATCH 03/15] stackdepot: drop valid bit from handles andrey.konovalov
2023-08-30 7:43 ` Alexander Potapenko
2023-08-29 17:11 ` [PATCH 04/15] stackdepot: add depot_fetch_stack helper andrey.konovalov
2023-08-30 7:47 ` Alexander Potapenko [this message]
2023-08-29 17:11 ` [PATCH 05/15] stackdepot: use fixed-sized slots for stack records andrey.konovalov
2023-08-30 8:21 ` Alexander Potapenko
2023-09-13 17:07 ` Andrey Konovalov
2023-09-15 10:36 ` Alexander Potapenko
2023-08-29 17:11 ` [PATCH 06/15] stackdepot: fix and clean-up atomic annotations andrey.konovalov
2023-08-30 8:34 ` Marco Elver
2023-09-04 18:45 ` Andrey Konovalov
2023-08-29 17:11 ` [PATCH 07/15] stackdepot: rework helpers for depot_alloc_stack andrey.konovalov
2023-08-29 17:11 ` [PATCH 08/15] stackdepot: rename next_pool_required to new_pool_required andrey.konovalov
2023-08-30 8:29 ` Alexander Potapenko
2023-08-29 17:11 ` [PATCH 09/15] stackdepot: store next pool pointer in new_pool andrey.konovalov
2023-08-29 17:11 ` [PATCH 10/15] stackdepot: store free stack records in a freelist andrey.konovalov
2023-08-29 17:11 ` [PATCH 11/15] stackdepot: use read/write lock andrey.konovalov
2023-08-30 9:13 ` Marco Elver
2023-09-04 18:46 ` Andrey Konovalov
2023-09-05 16:19 ` Marco Elver
2023-09-13 17:08 ` Andrey Konovalov
2024-01-02 12:59 ` Marco Elver
2024-01-09 3:27 ` Andrey Konovalov
2023-08-29 17:11 ` [PATCH 12/15] stackdepot: add refcount for records andrey.konovalov
2023-08-30 9:32 ` Marco Elver
2023-09-04 18:46 ` Andrey Konovalov
2023-09-04 18:55 ` Marco Elver
2023-09-13 17:07 ` Andrey Konovalov
2023-09-01 13:06 ` Kuan-Ying Lee (李冠穎)
2023-09-04 18:46 ` Andrey Konovalov
2023-08-29 17:11 ` [PATCH 13/15] stackdepot: add backwards links to hash table buckets andrey.konovalov
2023-08-30 9:24 ` Marco Elver
2023-09-13 17:07 ` Andrey Konovalov
2023-08-29 17:11 ` [PATCH 14/15] stackdepot: allow users to evict stack traces andrey.konovalov
2023-08-30 9:20 ` Marco Elver
2023-09-04 18:47 ` Andrey Konovalov
2023-08-29 17:11 ` [PATCH 15/15] kasan: use stack_depot_evict for tag-based modes andrey.konovalov
2023-08-30 9:38 ` Marco Elver
2023-09-04 18:48 ` Andrey Konovalov
2023-09-04 18:58 ` Marco Elver
2023-09-13 17:08 ` Andrey Konovalov
2023-08-30 7:46 ` [PATCH 00/15] stackdepot: allow evicting stack traces Vlastimil Babka
2023-09-04 18:45 ` Andrey Konovalov
2023-09-05 2:48 ` Kuan-Ying Lee (李冠穎)
2023-09-13 17:10 ` Andrey Konovalov
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