Revision 62a2744c kvm-all.c
| b/kvm-all.c | ||
|---|---|---|
| 59 | 59 |
int vmfd; |
| 60 | 60 |
int regs_modified; |
| 61 | 61 |
int coalesced_mmio; |
| 62 |
#ifdef KVM_CAP_COALESCED_MMIO |
|
| 63 |
struct kvm_coalesced_mmio_ring *coalesced_mmio_ring; |
|
| 64 |
#endif |
|
| 62 | 65 |
int broken_set_mem_region; |
| 63 | 66 |
int migration_log; |
| 64 | 67 |
int vcpu_events; |
| ... | ... | |
| 200 | 203 |
goto err; |
| 201 | 204 |
} |
| 202 | 205 |
|
| 206 |
#ifdef KVM_CAP_COALESCED_MMIO |
|
| 207 |
if (s->coalesced_mmio && !s->coalesced_mmio_ring) |
|
| 208 |
s->coalesced_mmio_ring = (void *) env->kvm_run + |
|
| 209 |
s->coalesced_mmio * PAGE_SIZE; |
|
| 210 |
#endif |
|
| 211 |
|
|
| 203 | 212 |
ret = kvm_arch_init_vcpu(env); |
| 204 | 213 |
if (ret == 0) {
|
| 205 | 214 |
qemu_register_reset(kvm_reset_vcpu, env); |
| ... | ... | |
| 466 | 475 |
goto err; |
| 467 | 476 |
} |
| 468 | 477 |
|
| 478 |
s->coalesced_mmio = 0; |
|
| 469 | 479 |
#ifdef KVM_CAP_COALESCED_MMIO |
| 470 | 480 |
s->coalesced_mmio = kvm_check_extension(s, KVM_CAP_COALESCED_MMIO); |
| 471 |
#else |
|
| 472 |
s->coalesced_mmio = 0; |
|
| 481 |
s->coalesced_mmio_ring = NULL; |
|
| 473 | 482 |
#endif |
| 474 | 483 |
|
| 475 | 484 |
s->broken_set_mem_region = 1; |
| ... | ... | |
| 544 | 553 |
return 1; |
| 545 | 554 |
} |
| 546 | 555 |
|
| 547 |
static void kvm_run_coalesced_mmio(CPUState *env, struct kvm_run *run)
|
|
| 556 |
void kvm_flush_coalesced_mmio_buffer(void)
|
|
| 548 | 557 |
{
|
| 549 | 558 |
#ifdef KVM_CAP_COALESCED_MMIO |
| 550 | 559 |
KVMState *s = kvm_state; |
| 551 |
if (s->coalesced_mmio) {
|
|
| 552 |
struct kvm_coalesced_mmio_ring *ring; |
|
| 553 |
|
|
| 554 |
ring = (void *)run + (s->coalesced_mmio * TARGET_PAGE_SIZE); |
|
| 560 |
if (s->coalesced_mmio_ring) {
|
|
| 561 |
struct kvm_coalesced_mmio_ring *ring = s->coalesced_mmio_ring; |
|
| 555 | 562 |
while (ring->first != ring->last) {
|
| 556 | 563 |
struct kvm_coalesced_mmio *ent; |
| 557 | 564 |
|
| ... | ... | |
| 609 | 616 |
abort(); |
| 610 | 617 |
} |
| 611 | 618 |
|
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kvm_run_coalesced_mmio(env, run);
|
|
| 619 |
kvm_flush_coalesced_mmio_buffer();
|
|
| 613 | 620 |
|
| 614 | 621 |
ret = 0; /* exit loop */ |
| 615 | 622 |
switch (run->exit_reason) {
|
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