diff options
| author | alc <alc@FreeBSD.org> | 1999-07-03 06:33:48 +0000 |
|---|---|---|
| committer | alc <alc@FreeBSD.org> | 1999-07-03 06:33:48 +0000 |
| commit | 29ea153b133f29de1f76c8f87cdb0aa6300f6813 (patch) | |
| tree | f3a4cc0523e80c037532c075fb287d8c3ab46eb5 /sys/i386/isa/apic_ipl.s | |
| parent | b6270032c16f447c90a1390dfde49f9918a6e2bc (diff) | |
| download | FreeBSD-src-29ea153b133f29de1f76c8f87cdb0aa6300f6813.zip FreeBSD-src-29ea153b133f29de1f76c8f87cdb0aa6300f6813.tar.gz | |
An SMP-specific change: Add the lock prefix to RMW operations
on ipending.
Diffstat (limited to 'sys/i386/isa/apic_ipl.s')
| -rw-r--r-- | sys/i386/isa/apic_ipl.s | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/i386/isa/apic_ipl.s b/sys/i386/isa/apic_ipl.s index 51ba095..9ed8de0 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 1.22 1998/09/06 22:41:41 tegge Exp $ + * $Id: apic_ipl.s,v 1.23 1999/04/10 19:22:17 tegge Exp $ */ @@ -116,6 +116,7 @@ splz_next: ALIGN_TEXT splz_unpend: bsfl %ecx,%ecx + lock btrl %ecx,_ipending jnc splz_next cmpl $NHWI,%ecx |
