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Start to add GIANT_REQUIRED; macros in places where giant is required

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and that I've verified things seem to basically work.  I was able to
boot and hot plug usb devices.  Please let me know if this causes
problems for anybody.

The push down of giant has proceeded to the point that this will start
to matter more and more.
This commit is contained in:
Warner Losh 2004-12-05 07:55:30 +00:00
parent 6add7f75e4
commit 891e611130
1 changed files with 6 additions and 0 deletions
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6
sys/kern/subr_bus.c
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@ -1559,6 +1559,8 @@ device_probe_child(device_t dev, device_t child)
int result, pri = 0;
int hasclass = (child->devclass != 0);
GIANT_REQUIRED;
dc = dev->devclass;
if (!dc)
panic("device_probe_child: parent device has no devclass");
@ -2183,6 +2185,8 @@ device_probe_and_attach(device_t dev)
{
int error;
GIANT_REQUIRED;
if (dev->state >= DS_ALIVE && (dev->flags & DF_REBID) == 0)
return (0);
@ -2270,6 +2274,8 @@ device_detach(device_t dev)
{
int error;
GIANT_REQUIRED;
PDEBUG(("%s", DEVICENAME(dev)));
if (dev->state == DS_BUSY)
return (EBUSY);