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move_pages(): fix barrier in parallel implementation

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This commit is contained in:
Balazs Gerofi
2017-05-12 13:20:35 +09:00
parent 4c0f401424
commit d48d44d365
1 changed files with 6 additions and 6 deletions
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12
kernel/syscall.c
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@ -8218,7 +8218,7 @@ int move_pages_smp_handler(int cpu_index, int nr_cpus, void *arg)
/* Barrier */
ihk_atomic_inc(&mpsr->phase_done);
while (ihk_atomic_read(&mpsr->phase_done) !=
while (ihk_atomic_read(&mpsr->phase_done) <
(phase * nr_cpus)) {
cpu_pause();
}
@ -8227,7 +8227,7 @@ int move_pages_smp_handler(int cpu_index, int nr_cpus, void *arg)
goto out;
}
kprintf("%s: phase %d done\n", __FUNCTION__, phase);
dkprintf("%s: phase %d done\n", __FUNCTION__, phase);
++phase;
/* PTE lookup in parallel */
@ -8296,7 +8296,7 @@ int move_pages_smp_handler(int cpu_index, int nr_cpus, void *arg)
pte_out:
/* Barrier */
ihk_atomic_inc(&mpsr->phase_done);
while (ihk_atomic_read(&mpsr->phase_done) !=
while (ihk_atomic_read(&mpsr->phase_done) <
(phase * nr_cpus)) {
cpu_pause();
}
@ -8305,7 +8305,7 @@ pte_out:
goto out;
}
kprintf("%s: phase %d done\n", __FUNCTION__, phase);
dkprintf("%s: phase %d done\n", __FUNCTION__, phase);
++phase;
if (cpu_index == 0) {
@ -8348,7 +8348,7 @@ pte_out:
/* Barrier */
ihk_atomic_inc(&mpsr->phase_done);
while (ihk_atomic_read(&mpsr->phase_done) !=
while (ihk_atomic_read(&mpsr->phase_done) <
(phase * nr_cpus)) {
cpu_pause();
}
@ -8357,7 +8357,7 @@ pte_out:
goto out;
}
kprintf("%s: phase %d done\n", __FUNCTION__, phase);
dkprintf("%s: phase %d done\n", __FUNCTION__, phase);
++phase;
/* Copy, PTE update, memfree in parallel */