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Avoid use of "hogticks"

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This commit is contained in:
Sebastian Huber 2013-10-30 11:12:46 +01:00
parent adaa24668e
commit 371881668c
2 changed files with 9 additions and 12 deletions
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20
freebsd/sys/kern/kern_subr.c
View File

@ -53,16 +53,12 @@ __FBSDID("$FreeBSD$");
#include <sys/resourcevar.h>
#include <sys/sched.h>
#include <sys/sysctl.h>
#ifndef __rtems__
#include <sys/vnode.h>
#endif
#include <vm/vm.h>
#include <vm/vm_page.h>
#include <vm/vm_map.h>
#ifdef __rtems__
#include <sys/uio.h>
#endif
#ifdef ZERO_COPY_SOCKETS
#include <vm/vm_param.h>
#include <vm/vm_object.h>
@ -136,17 +132,20 @@ retry:
return(KERN_SUCCESS);
}
#endif /* ZERO_COPY_SOCKETS */
#endif /* __rtems__ */
int
uiomove(void *cp, int n, struct uio *uio)
{
#ifndef __rtems__
struct thread *td = curthread;
#endif /* __rtems__ */
struct iovec *iov;
u_int cnt;
int error = 0;
#ifndef __rtems__
int save = 0;
#endif /* __rtems__ */
KASSERT(uio->uio_rw == UIO_READ || uio->uio_rw == UIO_WRITE,
("uiomove: mode"));
@ -158,7 +157,7 @@ uiomove(void *cp, int n, struct uio *uio)
#ifndef __rtems__
save = td->td_pflags & TDP_DEADLKTREAT;
td->td_pflags |= TDP_DEADLKTREAT;
#endif
#endif /* __rtems__ */
while (n > 0 && uio->uio_resid) {
iov = uio->uio_iov;
@ -174,8 +173,10 @@ uiomove(void *cp, int n, struct uio *uio)
switch (uio->uio_segflg) {
case UIO_USERSPACE:
#ifndef __rtems__
if (ticks - PCPU_GET(switchticks) >= hogticks)
uio_yield();
#endif /* __rtems__ */
if (uio->uio_rw == UIO_READ)
error = copyout(cp, iov->iov_base, cnt);
else
@ -204,7 +205,7 @@ out:
#ifndef __rtems__
if (save == 0)
td->td_pflags &= ~TDP_DEADLKTREAT;
#endif
#endif /* __rtems__ */
return (error);
}
@ -466,6 +467,7 @@ phashinit(int elements, struct malloc_type *type, u_long *nentries)
return (hashtbl);
}
#ifndef __rtems__
void
uio_yield(void)
{
@ -473,18 +475,14 @@ uio_yield(void)
td = curthread;
DROP_GIANT();
#ifndef __rtems__
thread_lock(td);
sched_prio(td, td->td_user_pri);
mi_switch(SW_INVOL | SWT_RELINQUISH, NULL);
thread_unlock(td);
#else /* __rtems__ */
rtems_task_wake_after(RTEMS_YIELD_PROCESSOR);
#endif /* __rtems__ */
PICKUP_GIANT();
}
#ifndef __rtems__
int
copyinfrom(const void * __restrict src, void * __restrict dst, size_t len,
int seg)

1
rtemsbsd/rtems/rtems-bsd-support.c
View File

@ -54,7 +54,6 @@ int ngroups_max = NGROUPS_MAX; /* XXX */
int maxfiles = 7; /* XXX sys. wide open files limit */
int maxfilesperproc = 27; /* XXX per-proc open files limit */
uintptr_t dpcpu_off[MAXCPU];
int hogticks = 2; /* hogticks = 2 * sched_quantum */
void
critical_enter(void)