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Differential D27054 Diff 79217 sys/dev/xen/control/control.c

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sys/dev/xen/control/control.c

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#include <sys/bio.h> #include <sys/bio.h>
#include <sys/bus.h> #include <sys/bus.h>
#include <sys/conf.h> #include <sys/conf.h>
#include <sys/disk.h> #include <sys/disk.h>
#include <sys/fcntl.h> #include <sys/fcntl.h>
#include <sys/filedesc.h> #include <sys/filedesc.h>
#include <sys/kdb.h> #include <sys/kdb.h>
#include <sys/module.h> #include <sys/module.h>
#include <sys/mount.h>
#include <sys/namei.h> #include <sys/namei.h>
#include <sys/proc.h> #include <sys/proc.h>
#include <sys/reboot.h> #include <sys/reboot.h>
#include <sys/rman.h> #include <sys/rman.h>
#include <sys/sched.h> #include <sys/sched.h>
#include <sys/taskqueue.h> #include <sys/taskqueue.h>
#include <sys/types.h> #include <sys/types.h>
#include <sys/vnode.h> #include <sys/vnode.h>
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{ {
#ifdef SMP #ifdef SMP
cpuset_t cpu_suspend_map; cpuset_t cpu_suspend_map;
#endif #endif
EVENTHANDLER_INVOKE(power_suspend_early); EVENTHANDLER_INVOKE(power_suspend_early);
xs_lock(); xs_lock();
stop_all_proc(); stop_all_proc();
xs_unlock(); xs_unlock();
suspend_all_fs();
markjUnsubmitted
Done
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Reading the commit log message for r314841, I don't think suspend_all_fs() needs to be done under the xs lock.

markj: Reading the commit log message for r314841, I don't think suspend_all_fs() needs to be done…
EVENTHANDLER_INVOKE(power_suspend); EVENTHANDLER_INVOKE(power_suspend);
#ifdef EARLY_AP_STARTUP #ifdef EARLY_AP_STARTUP
MPASS(mp_ncpus == 1 || smp_started); MPASS(mp_ncpus == 1 || smp_started);
thread_lock(curthread); thread_lock(curthread);
sched_bind(curthread, 0); sched_bind(curthread, 0);
thread_unlock(curthread); thread_unlock(curthread);
#else #else
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#else #else
if (smp_started) { if (smp_started) {
thread_lock(curthread); thread_lock(curthread);
sched_unbind(curthread); sched_unbind(curthread);
thread_unlock(curthread); thread_unlock(curthread);
} }
#endif #endif
resume_all_fs();
resume_all_proc(); resume_all_proc();
EVENTHANDLER_INVOKE(power_resume); EVENTHANDLER_INVOKE(power_resume);
if (bootverbose) if (bootverbose)
printf("System resumed after suspension\n"); printf("System resumed after suspension\n");
} }
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