Changeset b4ca0a9c in mainline for kernel/arch/ia32/src/smp/apic.c


Ignore:
Timestamp:
2012-07-10T11:53:50Z (12 years ago)
Author:
Vojtech Horky <vojtechhorky@…>
Branches:
lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export
Children:
1e01a35
Parents:
a33706e (diff), 33fc3ae (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.
Message:

Merge mainline changes

File:
1 edited

Legend:

Unmodified
Added
Removed
  • kernel/arch/ia32/src/smp/apic.c

    ra33706e rb4ca0a9c  
    259259}
    260260
     261#define DELIVS_PENDING_SILENT_RETRIES   4       
     262
     263static void l_apic_wait_for_delivery(void)
     264{
     265        icr_t icr;
     266        unsigned retries = 0;
     267
     268        do {
     269                if (retries++ > DELIVS_PENDING_SILENT_RETRIES) {
     270                        retries = 0;
     271#ifdef CONFIG_DEBUG
     272                        printf("IPI is pending.\n");
     273#endif
     274                        delay(20);
     275                }
     276                icr.lo = l_apic[ICRlo];
     277        } while (icr.delivs == DELIVS_PENDING);
     278       
     279}
     280
    261281/** Send all CPUs excluding CPU IPI vector.
    262282 *
     
    279299       
    280300        l_apic[ICRlo] = icr.lo;
    281        
    282         icr.lo = l_apic[ICRlo];
    283         if (icr.delivs == DELIVS_PENDING) {
    284 #ifdef CONFIG_DEBUG
    285                 printf("IPI is pending.\n");
    286 #endif
    287         }
     301
     302        l_apic_wait_for_delivery();
    288303       
    289304        return apic_poll_errors();
     
    327342                return 0;
    328343       
     344        l_apic_wait_for_delivery();
     345
    329346        icr.lo = l_apic[ICRlo];
    330         if (icr.delivs == DELIVS_PENDING) {
    331 #ifdef CONFIG_DEBUG
    332                 printf("IPI is pending.\n");
    333 #endif
    334         }
    335        
    336347        icr.delmod = DELMOD_INIT;
    337348        icr.destmod = DESTMOD_PHYS;
Note: See TracChangeset for help on using the changeset viewer.