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migration/postcopy: fix typo in mark_postcopy_blocktime_begin's comment 

Signed-off-by: Wei Yang <richardw.yang@linux.intel.com>
Message-Id: <20191005220517.24029-3-richardw.yang@linux.intel.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Wei Yang 2019-10-06 06:05:15 +08:00 committed by Dr. David Alan Gilbert
parent 6629890d55
commit da1725d3f9
1 changed files with 5 additions and 3 deletions
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8
migration/postcopy-ram.c
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@ -768,9 +768,11 @@ static void mark_postcopy_blocktime_begin(uintptr_t addr, uint32_t ptid,
atomic_xchg(&dc->page_fault_vcpu_time[cpu], low_time_offset);
atomic_xchg(&dc->vcpu_addr[cpu], addr);
/* check it here, not at the begining of the function,
* due to, check could accur early than bitmap_set in
* qemu_ufd_copy_ioctl */
/*
* check it here, not at the beginning of the function,
* due to, check could occur early than bitmap_set in
* qemu_ufd_copy_ioctl
*/
already_received = ramblock_recv_bitmap_test(rb, (void *)addr);
if (already_received) {
atomic_xchg(&dc->vcpu_addr[cpu], 0);