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Simplify and fix qemudCanonicalizeMachine()

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The algorithm is quite simple:

  If the emulator matches a guest's domain:
    if domain has machine type info:
      check the domain's machine type info
    else
      check the guest's default machine type info
  else if the emulator matches the guest's default emulator:
     check the guest's default machine type info

The previous implementation was incorrectly falling back to the default
machine type info if the domain's machine type info didn't have an
alias.

* src/qemu_driver.c: simplify and fix qemudCanonicalizeMachine()
This commit is contained in:
Mark McLoughlin 2009-09-10 12:19:33 +01:00
parent 3e14a8dc80
commit 6ab16aaf63
1 changed files with 15 additions and 18 deletions
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33
src/qemu_driver.c
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@ -4789,30 +4789,27 @@ qemudCanonicalizeMachine(struct qemud_driver *driver, virDomainDefPtr def)
for (i = 0; i < driver->caps->nguests; i++) {
virCapsGuestPtr guest = driver->caps->guests[i];
virCapsGuestDomainInfoPtr info;
int j;
for (j = 0; j < guest->arch.ndomains; j++) {
virCapsGuestDomainPtr dom = guest->arch.domains[j];
info = &guest->arch.domains[j]->info;
if (dom->info.emulator &&
STREQ(dom->info.emulator, def->emulator)) {
if (qemudCanonicalizeMachineFromInfo(def, &dom->info,
&canonical) < 0)
return -1;
if (canonical)
goto out;
break;
}
if (!info->emulator || !STREQ(info->emulator, def->emulator))
continue;
if (!info->nmachines)
info = &guest->arch.defaultInfo;
if (qemudCanonicalizeMachineFromInfo(def, info, &canonical) < 0)
return -1;
goto out;
}
/* if we matched one of the domain's emulators, or if
* we match the default emulator
*/
if (j < guest->arch.ndomains ||
(guest->arch.defaultInfo.emulator &&
STREQ(guest->arch.defaultInfo.emulator, def->emulator))) {
if (qemudCanonicalizeMachineFromInfo(def, &guest->arch.defaultInfo,
&canonical) < 0)
info = &guest->arch.defaultInfo;
if (info->emulator && STREQ(info->emulator, def->emulator)) {
if (qemudCanonicalizeMachineFromInfo(def, info, &canonical) < 0)
return -1;
goto out;
}