Page MenuHomeFreeBSD
Differential D29851 Diff 94664 sys/powerpc/powerpc/vm_machdep.c

Changeset View

Standalone View

View Options

sys/powerpc/powerpc/vm_machdep.c

Show First 20 Lines • Show All 85 Lines • ▼ Show 20 Lines
#include <sys/sysent.h> #include <sys/sysent.h>
#include <sys/unistd.h> #include <sys/unistd.h>
#include <machine/cpu.h> #include <machine/cpu.h>
#include <machine/fpu.h> #include <machine/fpu.h>
#include <machine/frame.h> #include <machine/frame.h>
#include <machine/md_var.h> #include <machine/md_var.h>
#include <machine/pcb.h> #include <machine/pcb.h>
#include <machine/reg.h>
#include <dev/ofw/openfirm.h> #include <dev/ofw/openfirm.h>
#include <vm/vm.h> #include <vm/vm.h>
#include <vm/vm_param.h> #include <vm/vm_param.h>
#include <vm/vm_kern.h> #include <vm/vm_kern.h>
#include <vm/vm_page.h> #include <vm/vm_page.h>
#include <vm/vm_map.h> #include <vm/vm_map.h>
Show All 13 Linescpu_fork(struct thread *td1, struct proc *p2, struct thread *td2, int flags)
KASSERT(td1 == curthread || td1 == &thread0, KASSERT(td1 == curthread || td1 == &thread0,
("cpu_fork: p1 not curproc and not proc0")); ("cpu_fork: p1 not curproc and not proc0"));
CTR3(KTR_PROC, "cpu_fork: called td1=%p p2=%p flags=%x", CTR3(KTR_PROC, "cpu_fork: called td1=%p p2=%p flags=%x",
td1, p2, flags); td1, p2, flags);
if ((flags & RFPROC) == 0) if ((flags & RFPROC) == 0)
return; return;
/* Ensure td1 is up to date before copy. */
bdragonAuthorUnsubmitted
Not Done
Inline Actions

I need to skip this when td1 != curthread, just got a boot panic on a dual processor G4. I had missed the part where we could also be here because we're cloning off of thread0.

bdragon: I need to skip this when td1 != curthread, just got a boot panic on a dual processor G4. I had…
if (td1 == curthread)
cpu_save_thread_regs(td1);
pcb = (struct pcb *)((td2->td_kstack + pcb = (struct pcb *)((td2->td_kstack +
td2->td_kstack_pages * PAGE_SIZE - sizeof(struct pcb)) & ~0x2fUL); td2->td_kstack_pages * PAGE_SIZE - sizeof(struct pcb)) & ~0x2fUL);
td2->td_pcb = pcb; td2->td_pcb = pcb;
/* Copy the pcb */ /* Copy the pcb */
bcopy(td1->td_pcb, pcb, sizeof(struct pcb)); bcopy(td1->td_pcb, pcb, sizeof(struct pcb));
▲ Show 20 Lines • Show All 135 Lines • Show Last 20 Lines