From: Li Wang <li.wang@linux.dev>
To: linuxtestproject.agent@gmail.com
Cc: Wake Liu <wakel@google.com>, ltp@lists.linux.it
Subject: Re: [LTP] lib: Use backoff polling to wait for loop device nodes
Date: Mon, 10 Aug 2026 11:55:58 +0800 [thread overview]
Message-ID: <anlLyuZW-8dHISLB@linux.dev> (raw)
In-Reply-To: <20260808013246.12398-1-linuxtestproject.agent@gmail.com>
Hi Wake,
On Sat, Aug 08, 2026 at 01:32:46AM +0000, linuxtestproject.agent@gmail.com wrote:
> Hi Wake,
>
> On Fri, 7 Aug 2026, Wake Liu wrote:
> > lib: Use backoff polling to wait for loop device nodes
>
> > + path_set = TST_RETRY_FN_EXP_BACKOFF(
> > + set_dev_loop_path(rc, path, path_len),
> > + TST_RETVAL_EQ0, 1);
>
> Could the backoff arithmetic be made overflow-safe before these two new
> uses?
>
> LTP_TIMEOUT_MUL=3000 is accepted by parse_mul(), which makes
Theoretically, this is correct, but I don't think anyone will
need a timeout as large as 3000 * 30s for one of LTP test.
It would take nearly 25 hours to trigger, which is unrealistic.
IOW, your patch v6 is good enough. Sometimes AI agent is too strict.
--
Regards,
Li Wang
--
Mailing list info: https://lists.linux.it/listinfo/ltp
next prev parent reply other threads:[~2026-08-10 3:56 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-03 15:27 [LTP] [PATCH] lib: Use exponential-backoff polling to wait for loop device nodes Wake Liu via ltp
2026-08-03 16:28 ` [LTP] " linuxtestproject.agent
2026-08-04 1:59 ` [LTP] [PATCH v2] lib: Use backoff " Wake Liu via ltp
2026-08-04 3:58 ` Li Wang
2026-08-04 15:24 ` [LTP] [PATCH v3] " Wake Liu via ltp
2026-08-05 2:24 ` Li Wang
2026-08-05 2:54 ` [LTP] [PATCH v4] " Wake Liu via ltp
2026-08-05 4:09 ` [LTP] " linuxtestproject.agent
2026-08-05 6:53 ` Li Wang
2026-08-05 6:35 ` [LTP] [PATCH v4] " Li Wang
2026-08-05 6:52 ` Andrea Cervesato via ltp
2026-08-05 6:55 ` Andrea Cervesato via ltp
2026-08-05 7:10 ` Li Wang
2026-08-07 10:04 ` [LTP] [PATCH v5] " Wake Liu via ltp
2026-08-07 11:05 ` [LTP] " linuxtestproject.agent
2026-08-07 23:49 ` [LTP] [PATCH v6] " Wake Liu via ltp
2026-08-08 1:32 ` [LTP] " linuxtestproject.agent
2026-08-10 3:55 ` Li Wang [this message]
2026-08-10 4:16 ` Wake Liu via ltp
2026-08-10 2:58 ` [LTP] [PATCH v7 0/2] Fix overflow and use backoff polling for loop devices Wake Liu via ltp
2026-08-10 2:58 ` [LTP] [PATCH v7 1/2] lib: Fix overflow in backoff polling and timeout multiplication Wake Liu via ltp
2026-08-10 3:56 ` [LTP] " linuxtestproject.agent
2026-08-10 9:17 ` [LTP] [PATCH v7 1/2] " Andrea Cervesato via ltp
2026-08-10 10:02 ` Li Wang
2026-08-10 2:58 ` [LTP] [PATCH v7 2/2] lib: Use backoff polling to wait for loop device nodes Wake Liu via ltp
2026-08-10 9:17 ` Andrea Cervesato via ltp
2026-08-10 10:10 ` [LTP] [PATCH v6] " Li Wang
2026-08-10 12:30 ` Wake Liu via ltp
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