| mp_machdep.c (255331) | mp_machdep.c (255726) |
|---|---|
| 1/*- 2 * Copyright (c) 1996, by Steve Passe 3 * Copyright (c) 2003, by Peter Wemm 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 11 unchanged lines hidden (view full) --- 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 1996, by Steve Passe 3 * Copyright (c) 2003, by Peter Wemm 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 11 unchanged lines hidden (view full) --- 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> |
| 28__FBSDID("$FreeBSD: head/sys/amd64/amd64/mp_machdep.c 255331 2013-09-06 22:17:02Z gibbs $"); | 28__FBSDID("$FreeBSD: head/sys/amd64/amd64/mp_machdep.c 255726 2013-09-20 05:06:03Z gibbs $"); |
| 29 30#include "opt_cpu.h" 31#include "opt_ddb.h" 32#include "opt_kstack_pages.h" 33#include "opt_sched.h" 34#include "opt_smp.h" 35 36#include <sys/param.h> --- 1426 unchanged lines hidden (view full) --- 1463 */ 1464void 1465cpususpend_handler(void) 1466{ 1467 u_int cpu; 1468 1469 cpu = PCPU_GET(cpuid); 1470 | 29 30#include "opt_cpu.h" 31#include "opt_ddb.h" 32#include "opt_kstack_pages.h" 33#include "opt_sched.h" 34#include "opt_smp.h" 35 36#include <sys/param.h> --- 1426 unchanged lines hidden (view full) --- 1463 */ 1464void 1465cpususpend_handler(void) 1466{ 1467 u_int cpu; 1468 1469 cpu = PCPU_GET(cpuid); 1470 |
| 1471#ifdef XENHVM 1472 mtx_assert(&smp_ipi_mtx, MA_NOTOWNED); 1473#endif 1474 |
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| 1471 if (savectx(susppcbs[cpu])) { 1472 ctx_fpusave(susppcbs[cpu]->pcb_fpususpend); 1473 wbinvd(); 1474 CPU_SET_ATOMIC(cpu, &suspended_cpus); 1475 } else { 1476 pmap_init_pat(); 1477 initializecpu(); 1478 PCPU_SET(switchtime, 0); 1479 PCPU_SET(switchticks, ticks); 1480 1481 /* Indicate that we are resumed */ 1482 CPU_CLR_ATOMIC(cpu, &suspended_cpus); 1483 } 1484 1485 /* Wait for resume */ 1486 while (!CPU_ISSET(cpu, &started_cpus)) 1487 ia32_pause(); 1488 | 1475 if (savectx(susppcbs[cpu])) { 1476 ctx_fpusave(susppcbs[cpu]->pcb_fpususpend); 1477 wbinvd(); 1478 CPU_SET_ATOMIC(cpu, &suspended_cpus); 1479 } else { 1480 pmap_init_pat(); 1481 initializecpu(); 1482 PCPU_SET(switchtime, 0); 1483 PCPU_SET(switchticks, ticks); 1484 1485 /* Indicate that we are resumed */ 1486 CPU_CLR_ATOMIC(cpu, &suspended_cpus); 1487 } 1488 1489 /* Wait for resume */ 1490 while (!CPU_ISSET(cpu, &started_cpus)) 1491 ia32_pause(); 1492 |
| 1493#ifdef XENHVM 1494 /* 1495 * Reset pending bitmap IPIs, because Xen doesn't preserve pending 1496 * event channels on migration. 1497 */ 1498 cpu_ipi_pending[cpu] = 0; 1499 /* register vcpu_info area */ 1500 xen_hvm_init_cpu(); 1501#endif 1502 |
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| 1489 /* Resume MCA and local APIC */ 1490 mca_resume(); 1491 lapic_setup(0); 1492 1493 CPU_CLR_ATOMIC(cpu, &started_cpus); | 1503 /* Resume MCA and local APIC */ 1504 mca_resume(); 1505 lapic_setup(0); 1506 1507 CPU_CLR_ATOMIC(cpu, &started_cpus); |
| 1508 /* Indicate that we are resumed */ 1509 CPU_CLR_ATOMIC(cpu, &suspended_cpus); |
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| 1494} 1495 1496/* 1497 * This is called once the rest of the system is up and running and we're 1498 * ready to let the AP's out of the pen. 1499 */ 1500static void 1501release_aps(void *dummy __unused) --- 42 unchanged lines hidden --- | 1510} 1511 1512/* 1513 * This is called once the rest of the system is up and running and we're 1514 * ready to let the AP's out of the pen. 1515 */ 1516static void 1517release_aps(void *dummy __unused) --- 42 unchanged lines hidden --- |