cpu: Introduce cpu_class_set_vmsd()

This setter avoids redefining each VMStateDescription value to
vmstate_dummy by not referencing the value for CONFIG_USER_ONLY.

Suggested-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Andreas Färber 2013-02-22 21:50:10 +01:00
parent b170fce3dd
commit ca91b15f2d
1 changed files with 21 additions and 0 deletions

View File

@ -137,6 +137,27 @@ void cpu_reset(CPUState *cpu);
*/
ObjectClass *cpu_class_by_name(const char *typename, const char *cpu_model);
/**
* cpu_class_set_vmsd:
* @cc: CPU class
* @value: Value to set. Unused for %CONFIG_USER_ONLY.
*
* Sets #VMStateDescription for @cc.
*
* The @value argument is intentionally discarded for the non-softmmu targets
* to avoid linker errors or excessive preprocessor usage. If this behavior
* is undesired, you should assign #CPUState.vmsd directly instead.
*/
#ifndef CONFIG_USER_ONLY
static inline void cpu_class_set_vmsd(CPUClass *cc,
const struct VMStateDescription *value)
{
cc->vmsd = value;
}
#else
#define cpu_class_set_vmsd(cc, value) ((cc)->vmsd = NULL)
#endif
/**
* qemu_cpu_has_work:
* @cpu: The vCPU to check.