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qemu: Prepare RNGs when starting a domain

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When starting a domain and separate mount namespace is used, we
have to create all the /dev entries that are configured for the
domain.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Michal Privoznik 2016-11-15 16:10:23 +01:00
parent 8ec8a8c5ff
commit 2160f338a7
1 changed files with 43 additions and 0 deletions
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43
src/qemu/qemu_domain.c
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@ -7221,6 +7221,46 @@ qemuDomainSetupAllInputs(virQEMUDriverPtr driver,
}
static int
qemuDomainSetupRNG(virQEMUDriverPtr driver ATTRIBUTE_UNUSED,
virDomainRNGDefPtr rng,
const char *devPath)
{
switch ((virDomainRNGBackend) rng->backend) {
case VIR_DOMAIN_RNG_BACKEND_RANDOM:
if (qemuDomainCreateDevice(rng->source.file, devPath, false) < 0)
return -1;
case VIR_DOMAIN_RNG_BACKEND_EGD:
case VIR_DOMAIN_RNG_BACKEND_LAST:
/* nada */
break;
}
return 0;
}
static int
qemuDomainSetupAllRNGs(virQEMUDriverPtr driver,
virDomainObjPtr vm,
const char *devPath)
{
size_t i;
VIR_DEBUG("Setting up RNGs");
for (i = 0; i < vm->def->nrngs; i++) {
if (qemuDomainSetupRNG(driver,
vm->def->rngs[i],
devPath) < 0)
return -1;
}
VIR_DEBUG("Setup all RNGs");
return 0;
}
int
qemuDomainBuildNamespace(virQEMUDriverPtr driver,
virDomainObjPtr vm)
@ -7274,6 +7314,9 @@ qemuDomainBuildNamespace(virQEMUDriverPtr driver,
if (qemuDomainSetupAllInputs(driver, vm, devPath) < 0)
goto cleanup;
if (qemuDomainSetupAllRNGs(driver, vm, devPath) < 0)
goto cleanup;
if (mount(devPath, "/dev", NULL, mount_flags, NULL) < 0) {
virReportSystemError(errno,
_("Failed to mount %s on /dev"),