diff options
| author | Jake Burkholder <jake@FreeBSD.org> | 2001-01-21 19:25:07 +0000 |
|---|---|---|
| committer | Jake Burkholder <jake@FreeBSD.org> | 2001-01-21 19:25:07 +0000 |
| commit | a448b62ac998ab4ae5e85fc7235cbb5c5dbe60ef (patch) | |
| tree | a8fab5ee465b0d67b785fe50774997a21db3fdd5 /sys/amd64/isa/nmi.c | |
| parent | 96b15e09d91b60bbe41d2a3ff239e9a38022ab57 (diff) | |
Make intr_nesting_level per-process, rather than per-cpu. Setup
interrupt threads to run with it always >= 1, so that malloc can
detect M_WAITOK from "interrupt" context. This is also necessary
in order to context switch from sched_ithd() directly.
Reviewed By: peter
Notes
Notes:
svn path=/head/; revision=71337
Diffstat (limited to 'sys/amd64/isa/nmi.c')
| -rw-r--r-- | sys/amd64/isa/nmi.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/amd64/isa/nmi.c b/sys/amd64/isa/nmi.c index 00f5f23d359f..b9328ae84fc6 100644 --- a/sys/amd64/isa/nmi.c +++ b/sys/amd64/isa/nmi.c @@ -577,6 +577,7 @@ inthand_add(const char *name, int irq, driver_intr_t handler, void *arg, if (errcode) panic("inthand_add: Can't create " "interrupt thread"); + p->p_intr_nesting_level = 1; p->p_rtprio.type = RTP_PRIO_ITHREAD; p->p_stat = SWAIT; /* we're idle */ |