diff options
author | Alexander Yurchenko <grange@cvs.openbsd.org> | 2004-02-27 21:15:46 +0000 |
---|---|---|
committer | Alexander Yurchenko <grange@cvs.openbsd.org> | 2004-02-27 21:15:46 +0000 |
commit | ff57b30819373fd7e2135484db1c3b0cd874fcd3 (patch) | |
tree | 8a7894b15573209222d27febbcf31bb6af2a8626 /sys/arch/i386/pci | |
parent | 7e8c2ed9cc5ceb5d64086482a297efa79f805523 (diff) |
Introduce simple priorities mechanism so that concurrent
hw.setperf handlers don't override each other.
Problem reported and tested by danh@.
ok tedu@ deraadt@
Diffstat (limited to 'sys/arch/i386/pci')
-rw-r--r-- | sys/arch/i386/pci/pcib.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/arch/i386/pci/pcib.c b/sys/arch/i386/pci/pcib.c index 39994a6558e..2dc4c12138f 100644 --- a/sys/arch/i386/pci/pcib.c +++ b/sys/arch/i386/pci/pcib.c @@ -1,4 +1,4 @@ -/* $OpenBSD: pcib.c,v 1.12 2004/02/19 21:38:44 grange Exp $ */ +/* $OpenBSD: pcib.c,v 1.13 2004/02/27 21:15:45 grange Exp $ */ /* $NetBSD: pcib.c,v 1.6 1997/06/06 23:29:16 thorpej Exp $ */ /*- @@ -125,7 +125,8 @@ pcibattach(parent, self, aux) /* * Detect and activate SpeedStep on ICHx-M chipsets. */ - if (ichss_match(aux) && ichss_attach(self, aux) == 0) + if (setperf_prio < 2 && ichss_match(aux) && + ichss_attach(self, aux) == 0) printf(": SpeedStep"); #endif @@ -226,6 +227,7 @@ ichss_attach(struct device *self, void *aux) /* Hook into hw.setperf sysctl */ ichss_cookie = sc; cpu_setperf = ichss_setperf; + setperf_prio = 2; return (0); } |