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| author | Dr. David Alan Gilbert <dgilbert@redhat.com> | 2015-11-05 18:11:17 +0000 |
|---|---|---|
| committer | Juan Quintela <quintela@redhat.com> | 2015-11-10 15:00:28 +0100 |
| commit | c4faeed2313e2bf9aa3694544bd211c15e28c164 (patch) | |
| tree | e2b0b9e1160f2ede7daa8015792d359a1ab44729 /trace-events | |
| parent | 4ed023ce2a39ab5812d33cf4d819def168965a7f (diff) | |
| download | qemu-c4faeed2313e2bf9aa3694544bd211c15e28c164.zip qemu-c4faeed2313e2bf9aa3694544bd211c15e28c164.tar.gz qemu-c4faeed2313e2bf9aa3694544bd211c15e28c164.tar.bz2 | |
Postcopy; Handle userfault requests
userfaultfd is a Linux syscall that gives an fd that receives a stream
of notifications of accesses to pages registered with it and allows
the program to acknowledge those stalls and tell the accessing
thread to carry on.
We convert the requests from the kernel into messages back to the
source asking for the pages.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Diffstat (limited to 'trace-events')
| -rw-r--r-- | trace-events | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/trace-events b/trace-events index ad7afcb..60be299 100644 --- a/trace-events +++ b/trace-events @@ -1554,6 +1554,15 @@ postcopy_cleanup_range(const char *ramblock, void *host_addr, size_t offset, siz postcopy_init_range(const char *ramblock, void *host_addr, size_t offset, size_t length) "%s: %p offset=%zx length=%zx" postcopy_place_page(void *host_addr) "host=%p" postcopy_place_page_zero(void *host_addr) "host=%p" +postcopy_ram_enable_notify(void) "" +postcopy_ram_fault_thread_entry(void) "" +postcopy_ram_fault_thread_exit(void) "" +postcopy_ram_fault_thread_quit(void) "" +postcopy_ram_fault_thread_request(uint64_t hostaddr, const char *ramblock, size_t offset) "Request for HVA=%" PRIx64 " rb=%s offset=%zx" +postcopy_ram_incoming_cleanup_closeuf(void) "" +postcopy_ram_incoming_cleanup_entry(void) "" +postcopy_ram_incoming_cleanup_exit(void) "" +postcopy_ram_incoming_cleanup_join(void) "" # kvm-all.c kvm_ioctl(int type, void *arg) "type 0x%x, arg %p" |