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machine: Refactor smp_parse() in vl.c as MachineClass::smp_parse()

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To make smp_parse() more flexible and expansive, a smp_parse function
pointer is added to MachineClass that machine types could override.

The generic smp_parse() code in vl.c is moved to hw/core/machine.c, and
become the default implementation of MachineClass::smp_parse. A PC-specific
function called pc_smp_parse() has been added to hw/i386/pc.c, which in
this patch changes nothing against the default one .

Suggested-by: Eduardo Habkost <ehabkost@redhat.com>
Signed-off-by: Like Xu <like.xu@linux.intel.com>
Reviewed-by: Eduardo Habkost <ehabkost@redhat.com>
Message-Id: <20190620054525.37188-3-like.xu@linux.intel.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Like Xu 2019-06-20 13:45:24 +08:00 • committed by Eduardo Habkost
parent a94e142899
commit 6f479566a8
5 changed files with 163 additions and 73 deletions
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5
include/hw/boards.h
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@ -162,6 +162,10 @@ typedef struct {
* computed based on other criteria such as the host kernel capabilities.
* @numa_mem_supported:
* true if '--numa node.mem' option is supported and false otherwise
* @smp_parse:
* The function pointer to hook different machine specific functions for
* parsing "smp-opts" from QemuOpts to MachineState::CpuTopology and more
* machine specific topology fields, such as smp_dies for PCMachine.
*/
struct MachineClass {
/*< private >*/
@ -178,6 +182,7 @@ struct MachineClass {
void (*reset)(MachineState *state);
void (*hot_add_cpu)(MachineState *state, const int64_t id, Error **errp);
int (*kvm_type)(MachineState *machine, const char *arg);
void (*smp_parse)(MachineState *ms, QemuOpts *opts);
BlockInterfaceType block_default_type;
int units_per_default_bus;