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general: Replace global smp variables with smp machine properties

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Basically, the context could get the MachineState reference via call
chains or unrecommended qdev_get_machine() in !CONFIG_USER_ONLY mode.

A local variable of the same name would be introduced in the declaration
phase out of less effort OR replace it on the spot if it's only used
once in the context. No semantic changes.

Signed-off-by: Like Xu <like.xu@linux.intel.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20190518205428.90532-4-like.xu@linux.intel.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Like Xu 2019-05-19 04:54:21 +08:00 • committed by Eduardo Habkost
parent a0628599fa
commit 5cc8767d05
10 changed files with 45 additions and 11 deletions
Download patch file Download diff file Expand all files Collapse all files

6
backends/hostmem.c
View file

@ -222,6 +222,7 @@ static void host_memory_backend_set_prealloc(Object *obj, bool value,
{
Error *local_err = NULL;
HostMemoryBackend *backend = MEMORY_BACKEND(obj);
MachineState *ms = MACHINE(qdev_get_machine());
if (backend->force_prealloc) {
if (value) {
@ -241,7 +242,7 @@ static void host_memory_backend_set_prealloc(Object *obj, bool value,
void *ptr = memory_region_get_ram_ptr(&backend->mr);
uint64_t sz = memory_region_size(&backend->mr);
os_mem_prealloc(fd, ptr, sz, smp_cpus, &local_err);
os_mem_prealloc(fd, ptr, sz, ms->smp.cpus, &local_err);
if (local_err) {
error_propagate(errp, local_err);
return;
@ -311,6 +312,7 @@ host_memory_backend_memory_complete(UserCreatable *uc, Error **errp)
{
HostMemoryBackend *backend = MEMORY_BACKEND(uc);
HostMemoryBackendClass *bc = MEMORY_BACKEND_GET_CLASS(uc);
MachineState *ms = MACHINE(qdev_get_machine());
Error *local_err = NULL;
void *ptr;
uint64_t sz;
@ -375,7 +377,7 @@ host_memory_backend_memory_complete(UserCreatable *uc, Error **errp)
*/
if (backend->prealloc) {
os_mem_prealloc(memory_region_get_fd(&backend->mr), ptr, sz,
smp_cpus, &local_err);
ms->smp.cpus, &local_err);
if (local_err) {
goto out;
}