From e42412a96695d0e9116de5c6ac75823d2711218d Mon Sep 17 00:00:00 2001 From: Mark Johnston Date: Mon, 18 Feb 2013 22:47:16 +0000 Subject: [PATCH] Mark the coretemp(4) sysctls as MPSAFE, ensuring that Giant won't be held unnecessarily by a user thread waiting to run on a specific CPU after calling sched_bind(). Reviewed by: rstone Approved by: emaste (co-mentor) Sponsored by: Sandvine Incorporated MFC after: 1 week --- sys/dev/coretemp/coretemp.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/sys/dev/coretemp/coretemp.c b/sys/dev/coretemp/coretemp.c index 55efca232b14..a7d5fdca3120 100644 --- a/sys/dev/coretemp/coretemp.c +++ b/sys/dev/coretemp/coretemp.c @@ -274,23 +274,23 @@ coretemp_attach(device_t dev) * Add the MIBs to dev.cpu.N and dev.cpu.N.coretemp. */ SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(device_get_sysctl_tree(pdev)), - OID_AUTO, "temperature", CTLTYPE_INT | CTLFLAG_RD, dev, - CORETEMP_TEMP, coretemp_get_val_sysctl, "IK", + OID_AUTO, "temperature", CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE, + dev, CORETEMP_TEMP, coretemp_get_val_sysctl, "IK", "Current temperature"); SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, "delta", - CTLTYPE_INT | CTLFLAG_RD, dev, CORETEMP_DELTA, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE, dev, CORETEMP_DELTA, coretemp_get_val_sysctl, "I", "Delta between TCC activation and current temperature"); SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, "resolution", - CTLTYPE_INT | CTLFLAG_RD, dev, CORETEMP_RESOLUTION, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE, dev, CORETEMP_RESOLUTION, coretemp_get_val_sysctl, "I", "Resolution of CPU thermal sensor"); SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, "tjmax", - CTLTYPE_INT | CTLFLAG_RD, dev, CORETEMP_TJMAX, + CTLTYPE_INT | CTLFLAG_RD | CTLFLAG_MPSAFE, dev, CORETEMP_TJMAX, coretemp_get_val_sysctl, "IK", "TCC activation temperature"); SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(oid), OID_AUTO, - "throttle_log", CTLTYPE_INT | CTLFLAG_RW, dev, 0, + "throttle_log", CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_MPSAFE, dev, 0, coretemp_throttle_log_sysctl, "I", "Set to 1 if the thermal sensor has tripped");