linux-kernel - [PATCH v9 21/25] dept: Apply timeout consideration to hashed-waitqueue wait

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <1675154394-25598-22-git-send-email-max.byungchul.park@gmail.com>
Date:   Tue, 31 Jan 2023 17:39:50 +0900
From:   Byungchul Park <max.byungchul.park@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     torvalds@...ux-foundation.org, damien.lemoal@...nsource.wdc.com,
        linux-ide@...r.kernel.org, adilger.kernel@...ger.ca,
        linux-ext4@...r.kernel.org, mingo@...hat.com, peterz@...radead.org,
        will@...nel.org, tglx@...utronix.de, rostedt@...dmis.org,
        joel@...lfernandes.org, sashal@...nel.org, daniel.vetter@...ll.ch,
        duyuyang@...il.com, johannes.berg@...el.com, tj@...nel.org,
        tytso@....edu, willy@...radead.org, david@...morbit.com,
        amir73il@...il.com, gregkh@...uxfoundation.org,
        kernel-team@....com, linux-mm@...ck.org, akpm@...ux-foundation.org,
        mhocko@...nel.org, minchan@...nel.org, hannes@...xchg.org,
        vdavydov.dev@...il.com, sj@...nel.org, jglisse@...hat.com,
        dennis@...nel.org, cl@...ux.com, penberg@...nel.org,
        rientjes@...gle.com, vbabka@...e.cz, ngupta@...are.org,
        linux-block@...r.kernel.org, paolo.valente@...aro.org,
        josef@...icpanda.com, linux-fsdevel@...r.kernel.org,
        viro@...iv.linux.org.uk, jack@...e.cz, jlayton@...nel.org,
        dan.j.williams@...el.com, hch@...radead.org, djwong@...nel.org,
        dri-devel@...ts.freedesktop.org, rodrigosiqueiramelo@...il.com,
        melissa.srw@...il.com, hamohammed.sa@...il.com,
        42.hyeyoo@...il.com, chris.p.wilson@...el.com,
        gwan-gyeong.mun@...el.com, max.byungchul.park@...il.com,
        boqun.feng@...il.com, longman@...hat.com, hdanton@...a.com
Subject: [PATCH v9 21/25] dept: Apply timeout consideration to hashed-waitqueue wait

Now that CONFIG_DEPT_AGGRESSIVE_TIMEOUT_WAIT was introduced, apply the
consideration to hashed-waitqueue wait, assuming an input 'ret' in
___wait_var_event() macro is used as a timeout value.

Signed-off-by: Byungchul Park <max.byungchul.park@...il.com>
---
 include/linux/wait_bit.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/wait_bit.h b/include/linux/wait_bit.h
index fe89282..3ef450d 100644
--- a/include/linux/wait_bit.h
+++ b/include/linux/wait_bit.h
@@ -247,7 +247,7 @@ struct wait_bit_queue_entry {
 	struct wait_bit_queue_entry __wbq_entry;			\
 	long __ret = ret; /* explicit shadow */				\
 									\
-	sdt_might_sleep_start(NULL);					\
+	sdt_might_sleep_start_timeout(NULL, __ret);			\
 	init_wait_var_entry(&__wbq_entry, var,				\
 			    exclusive ? WQ_FLAG_EXCLUSIVE : 0);		\
 	for (;;) {							\
-- 
1.9.1