diff options
| author | jake <jake@FreeBSD.org> | 2001-01-21 19:25:07 +0000 |
|---|---|---|
| committer | jake <jake@FreeBSD.org> | 2001-01-21 19:25:07 +0000 |
| commit | 937122ae6dc02a639d13dd06132201548bd7364f (patch) | |
| tree | 75b59a2832d9f622680ddf91bb405ee9b1f761d4 /sys/i386/isa/ipl.s | |
| parent | d326c51b74ea24afabc190774a1b7721c3e6d1e8 (diff) | |
| download | FreeBSD-src-937122ae6dc02a639d13dd06132201548bd7364f.zip FreeBSD-src-937122ae6dc02a639d13dd06132201548bd7364f.tar.gz | |
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
Diffstat (limited to 'sys/i386/isa/ipl.s')
| -rw-r--r-- | sys/i386/isa/ipl.s | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/sys/i386/isa/ipl.s b/sys/i386/isa/ipl.s index ca874ea..7c41589 100644 --- a/sys/i386/isa/ipl.s +++ b/sys/i386/isa/ipl.s @@ -57,8 +57,6 @@ _doreti: FAKE_MCOUNT(_bintr) /* init "from" _bintr -> _doreti */ doreti_next: - decb PCPU(INTR_NESTING_LEVEL) - /* Check for ASTs that can be handled now. */ testl $AST_PENDING,PCPU(ASTPENDING) je doreti_exit /* no AST, exit */ @@ -128,7 +126,6 @@ doreti_ast: sti movl $T_ASTFLT,TF_TRAPNO(%esp) call _ast - movb $1,PCPU(INTR_NESTING_LEVEL) /* for doreti_next to decrement */ jmp doreti_next #ifdef APIC_IO |
