Changeset 434f700 in mainline for arch/ia32/src/smp/apic.c

Timestamp:

2005-04-26T16:17:41Z (20 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

babcb148

Parents:

dba84ff

Message:

Replace the deadlock-prone TLB shootdown algorithm with a deadlock-free implementation.
The implementation is a variant of the CMU TLB consistency algorithm.
Very inefficient implementation of a very inefficient (but correct) algorithm.

File:

• arch/ia32/src/smp/apic.c (modified) (2 diffs)

arch/ia32/src/smp/apic.c

@@ -231 +231 @@
         l_apic[TPR] &= TPRClear;
 
-//      if (CPU->arch.family >= 6)
-//              enable_l_apic_in_msr();
+        if (CPU->arch.family >= 6)
+                enable_l_apic_in_msr();
         
         tmp = l_apic[ICRlo] & ICRloClear;
@@ -257 +257 @@
         
         l_apic[ICRT] = t1-t2;
+        
 }