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| author | Peter Maydell <peter.maydell@linaro.org> | 2015-01-16 10:16:14 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2015-01-16 10:16:14 +0000 |
| commit | e68cba36360a2ab5bf0576b66df4d0eb0d822f8d (patch) | |
| tree | 933ecff5cc8e380fe38693dc0cca2d7b8e479dfc /include/migration/page_cache.h | |
| parent | df58887b20fab8fe8a6dcca4db30cd4e4077d53a (diff) | |
| parent | ea987c2c21d4326bb58ee28f6888fdcf8fbda067 (diff) | |
| download | focaccia-qemu-e68cba36360a2ab5bf0576b66df4d0eb0d822f8d.tar.gz focaccia-qemu-e68cba36360a2ab5bf0576b66df4d0eb0d822f8d.zip | |
Merge remote-tracking branch 'remotes/amit-migration/tags/mig-2.3-1' into staging
A set of patches collected over the holidays. Mix of optimizations and fixes. # gpg: Signature made Fri 16 Jan 2015 07:42:00 GMT using RSA key ID 854083B6 # gpg: Good signature from "Amit Shah <amit@amitshah.net>" # gpg: aka "Amit Shah <amit@kernel.org>" # gpg: aka "Amit Shah <amitshah@gmx.net>" * remotes/amit-migration/tags/mig-2.3-1: vmstate: type-check sub-arrays migration_cancel: shutdown migration socket Handle bi-directional communication for fd migration socket shutdown Tests: QEMUSizedBuffer/QEMUBuffer QEMUSizedBuffer: only free qsb that qemu_bufopen allocated xbzrle: rebuild the cache_is_cached function xbzrle: optimize XBZRLE to decrease the cache misses Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'include/migration/page_cache.h')
| -rw-r--r-- | include/migration/page_cache.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/include/migration/page_cache.h b/include/migration/page_cache.h index 2d5ce2dd7a..10ed53274c 100644 --- a/include/migration/page_cache.h +++ b/include/migration/page_cache.h @@ -43,8 +43,10 @@ void cache_fini(PageCache *cache); * * @cache pointer to the PageCache struct * @addr: page addr + * @current_age: current bitmap generation */ -bool cache_is_cached(const PageCache *cache, uint64_t addr); +bool cache_is_cached(const PageCache *cache, uint64_t addr, + uint64_t current_age); /** * get_cached_data: Get the data cached for an addr @@ -60,13 +62,15 @@ uint8_t *get_cached_data(const PageCache *cache, uint64_t addr); * cache_insert: insert the page into the cache. the page cache * will dup the data on insert. the previous value will be overwritten * - * Returns -1 on error + * Returns -1 when the page isn't inserted into cache * * @cache pointer to the PageCache struct * @addr: page address * @pdata: pointer to the page + * @current_age: current bitmap generation */ -int cache_insert(PageCache *cache, uint64_t addr, const uint8_t *pdata); +int cache_insert(PageCache *cache, uint64_t addr, const uint8_t *pdata, + uint64_t current_age); /** * cache_resize: resize the page cache. In case of size reduction the extra |