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| author | Dr. David Alan Gilbert <dgilbert@redhat.com> | 2017-02-24 18:28:35 +0000 |
|---|---|---|
| committer | Dr. David Alan Gilbert <dgilbert@redhat.com> | 2017-02-28 11:30:23 +0000 |
| commit | df9ff5e1e37982e666216fe9a324d118a30f178f (patch) | |
| tree | 2ea2f281cc40844eef1c176e174f38f967fa5569 /migration/ram.c | |
| parent | 67f11b5c23fca79845c04ace6af0b686c82e0f22 (diff) | |
| download | qemu-df9ff5e1e37982e666216fe9a324d118a30f178f.zip qemu-df9ff5e1e37982e666216fe9a324d118a30f178f.tar.gz qemu-df9ff5e1e37982e666216fe9a324d118a30f178f.tar.bz2 | |
postcopy: Plumb pagesize down into place helpers
Now we deal with normal size pages and huge pages we need
to tell the place handlers the size we're dealing with
and make sure the temporary page is large enough.
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Laurent Vivier <lvivier@redhat.com>
Message-Id: <20170224182844.32452-8-dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Diffstat (limited to 'migration/ram.c')
| -rw-r--r-- | migration/ram.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/migration/ram.c b/migration/ram.c index 44fe960..ff86664 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -2402,6 +2402,7 @@ static int ram_load_postcopy(QEMUFile *f) void *host = NULL; void *page_buffer = NULL; void *place_source = NULL; + RAMBlock *block = NULL; uint8_t ch; addr = qemu_get_be64(f); @@ -2411,7 +2412,7 @@ static int ram_load_postcopy(QEMUFile *f) trace_ram_load_postcopy_loop((uint64_t)addr, flags); place_needed = false; if (flags & (RAM_SAVE_FLAG_COMPRESS | RAM_SAVE_FLAG_PAGE)) { - RAMBlock *block = ram_block_from_stream(f, flags); + block = ram_block_from_stream(f, flags); host = host_from_ram_block_offset(block, addr); if (!host) { @@ -2486,14 +2487,14 @@ static int ram_load_postcopy(QEMUFile *f) if (place_needed) { /* This gets called at the last target page in the host page */ + void *place_dest = host + TARGET_PAGE_SIZE - block->page_size; + if (all_zero) { - ret = postcopy_place_page_zero(mis, - host + TARGET_PAGE_SIZE - - qemu_host_page_size); + ret = postcopy_place_page_zero(mis, place_dest, + block->page_size); } else { - ret = postcopy_place_page(mis, host + TARGET_PAGE_SIZE - - qemu_host_page_size, - place_source); + ret = postcopy_place_page(mis, place_dest, + place_source, block->page_size); } } if (!ret) { |