Changeset 434f700 in mainline for arch/ia32/src

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.

Location:

arch/ia32/src

Files:

• bios/bios.c (modified) (1 diff)
• interrupt.c (modified) (1 diff)
• smp/apic.c (modified) (2 diffs)

arch/ia32/src/bios/bios.c

@@ -34 +34 @@
 void bios_init(void)
 {
-        /* Copy the EBDA out from BIOS Data Area */
+        /* Copy the EBDA address out from BIOS Data Area */
         ebda = *((__u16 *) BIOS_EBDA_PTR) * 0x10;
 }

arch/ia32/src/interrupt.c

@@ -93 +93 @@
 {
         printf("cpu%d: syscall\n", CPU->id);
-        thread_usleep(1000000);
+        thread_usleep(1000);
 }
 

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;
+        
 }