Acked-by: Manoj N. Kumar <manoj@xxxxxxxxxxxxxxxxxx> On 8/9/2016 6:39 PM, Matthew R. Ochs wrote:
Caching the adapter file descriptor and performing a close on behalf of an application is a poor design. This is due to the fact that once a file descriptor in installed, it is free to be altered without the knowledge of the cxlflash driver. This can lead to inconsistencies between the application and kernel. Furthermore, the nature of the former design is more exploitable and thus should be abandoned. To support applications performing a close on the adapter file that is associated with a context, a new flag is introduced to the user API to indicate to applications that they are responsible for the close following the cleanup (detach) of a context. The documentation is also updated to reflect this change in behavior. Inspired-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx> Signed-off-by: Matthew R. Ochs <mrochs@xxxxxxxxxxxxxxxxxx>
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