linux-kernel - Context Switch Timer in Linux

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>] [day] [month] [year] [list]

Message-ID: <CALKntY0GxEf2ktT9j46qWGZcKbsnEo91oc4QJfGGPz-NEqciEw@mail.gmail.com>
Date:	Mon, 1 Oct 2012 10:22:24 -0500
From:	Xin Tong <xerox.time.tech@...il.com>
To:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Context Switch Timer in Linux

I am wondering what timer is used for preemptive context switches in
linux 2.6+ x86 ? the PIT can fire at fixed interval, but it is not
per-cpu, i.e. can be handled by any CPU in the SMP system ? is Linux
using the APIC timer ?

Xin
--
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/