linux-kernel - Re: question about periodic clocks

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 for Android: free password hash cracker in your pocket

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

Message-ID: <45F2DED6.6080500@goop.org>
Date:	Sat, 10 Mar 2007 08:37:42 -0800
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	tglx@...utronix.de
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: question about periodic clocks

Thomas Gleixner wrote:
> Uuurg. That's ugly. clockevents expect a per CPU timer especially for
> dynamic ticks. If you cannot provide a per cpu timer, then you probably
> need to use the broadcast trick.
>   

Ah, apologies, I'm wrong about this.  I misread the Xen code; the timers
are per-vcpu, but as an implementation detail within the hypervisor it
keeps track of which real cpu is managing that timer.  But logically the
timers are per-vcpu.

    J
-
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/