Merge to Fedora kernel-2.6.17-1.2187_FC5 patched with stable patch-2.6.17.13-vs2...
[linux-2.6.git] / arch / x86_64 / kernel / smp.c
index 4a6628b..e13938d 100644 (file)
@@ -135,10 +135,10 @@ asmlinkage void smp_invalidate_interrupt(struct pt_regs *regs)
 
        cpu = smp_processor_id();
        /*
-        * orig_rax contains the interrupt vector - 256.
+        * orig_rax contains the negated interrupt vector.
         * Use that to determine where the sender put the data.
         */
-       sender = regs->orig_rax + 256 - INVALIDATE_TLB_VECTOR_START;
+       sender = ~regs->orig_rax - INVALIDATE_TLB_VECTOR_START;
        f = &per_cpu(flush_state, sender);
 
        if (!cpu_isset(cpu, f->flush_cpumask))