diff options
| author | Satoru Moriya <satoru.moriya@hds.com> | 2013-04-19 16:42:06 +0200 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2013-04-22 08:52:23 -0500 |
| commit | 888a6bc63c94ef34026399117ebf6a1fa0e7a29a (patch) | |
| tree | 9a7eaa7b65500baf6099eb9118c92aa220c3b4f1 /include/sysemu/os-win32.h | |
| parent | 2b316774f60291f57ca9ecb6a9f0712c532cae34 (diff) | |
Add option to mlock qemu and guest memory
In certain scenario, latency induced by paging is significant and
memory locking is needed. Also, in the scenario with untrusted
guests, latency improvement due to mlock is desired.
This patch introduces a following new option to mlock guest and
qemu memory:
-realtime mlock=on|off
Signed-off-by: Satoru Moriya <satoru.moriya@hds.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1366382526-26146-1-git-send-email-pbonzini@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'include/sysemu/os-win32.h')
| -rw-r--r-- | include/sysemu/os-win32.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/include/sysemu/os-win32.h b/include/sysemu/os-win32.h index 71f5fa0a91..bf8523ada1 100644 --- a/include/sysemu/os-win32.h +++ b/include/sysemu/os-win32.h @@ -106,4 +106,9 @@ static inline bool is_daemonized(void) return false; } +static inline int os_mlock(void) +{ + return -ENOSYS; +} + #endif |