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| author | fsmp <fsmp@FreeBSD.org> | 1997-08-20 05:25:48 +0000 |
|---|---|---|
| committer | fsmp <fsmp@FreeBSD.org> | 1997-08-20 05:25:48 +0000 |
| commit | 2c414e3eff799c18e5d3e8edfe37d7dc71f35c7a (patch) | |
| tree | 4060f694285dcb8b0a5d572747820da61322b0df /sys/i386/isa/apic_ipl.s | |
| parent | ea72b8e976791b005527662091bc146ad0bfd3b6 (diff) | |
| download | FreeBSD-src-2c414e3eff799c18e5d3e8edfe37d7dc71f35c7a.zip FreeBSD-src-2c414e3eff799c18e5d3e8edfe37d7dc71f35c7a.tar.gz | |
Preperation for moving cpl into critical region access.
Several new fine-grained locks.
New FAST_INTR() methods:
- separate simplelock for FAST_INTR, no more giant lock.
- FAST_INTR()s no longer checks ipending on way out of ISR.
sio made MP-safe (I hope).
Diffstat (limited to 'sys/i386/isa/apic_ipl.s')
| -rw-r--r-- | sys/i386/isa/apic_ipl.s | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/sys/i386/isa/apic_ipl.s b/sys/i386/isa/apic_ipl.s index b6f34e1..1412367 100644 --- a/sys/i386/isa/apic_ipl.s +++ b/sys/i386/isa/apic_ipl.s @@ -22,7 +22,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: apic_ipl.s,v 1.10 1997/07/24 23:49:44 fsmp Exp $ + * $Id: apic_ipl.s,v 1.11 1997/07/31 17:28:56 fsmp Exp $ */ @@ -66,11 +66,29 @@ _vec: .long vec8, vec9, vec10, vec11, vec12, vec13, vec14, vec15 .long vec16, vec17, vec18, vec19, vec20, vec21, vec22, vec23 +/* various simple locks */ .align 2 /* MUST be 32bit aligned */ + +/* critical region around IO APIC */ .globl _imen_lock _imen_lock: .long 0 +/* critical region around spl & cpl */ + .globl _cpl_lock +_cpl_lock: + .long 0 + +/* critical region around FAST_INTR() routines */ + .globl _fast_intr_lock +_fast_intr_lock: + .long 0 + +/* critical region around INTR() routines */ + .globl _intr_lock +_intr_lock: + .long 0 + /* * Note: * This is the UP equivilant of _imen. |
