linux-kernel - Re: [PATCH RFC] sched: deferred set priority (dprio)

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]

Date:	Wed, 30 Jul 2014 15:02:38 +0200
From:	Pavel Machek <pavel@....cz>
To:	Sergey Oboguev <oboguev.public@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [PATCH RFC] sched: deferred set priority (dprio)

Hi!

> One of the intended purposes of this facility (but its not sole purpose) is to
> render a lightweight mechanism for priority protection of lock-holding critical
> sections that would be an adequate match for lightweight locking primitives
> such as futex, with both featuring a fast path completing within the
> userspace.

Do we get a manpage describing the interface...?

Would it make sense to make set_priority a "vsyscall" so it is fast
enough, and delayed_set_priority does not need to be exposed to
userspace?
									Pavel

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/