[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Xen-devel] [PATCH v3 13/15] libxl: introduce libxl_userdata_unlink

On Thu, 2014-09-04 at 23:43 +0100, Wei Liu wrote:
> This will be used in later patch for xl to remove its "xl" userdata
> file.
> Both CTX lock and userdata lock are taken in this API. CTX lock is taken
> to maintain locking hierarchy, but it also has a side effect to protect
> against R-M-W by other threads. Userdata lock is used to protect against
> domain destruction.
> In general application should not rely on these internal locks to
> protect its own userdata files. It should deploys its own lock if it
> cares.
> Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>

Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

Xen-devel mailing list



Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.