Re: [PATCH v2] arch/cacheflush: Introduce flush_all_caches()

2022-08-19 Thread Ira Weiny
On Fri, Aug 19, 2022 at 10:10:24AM -0700, Davidlohr Bueso wrote: > With CXL security features, global CPU cache flushing nvdimm requirements > are no longer specific to that subsystem, even beyond the scope of > security_ops. CXL will need such semantics for features not necessarily > limited to

[PATCH v2] arch/cacheflush: Introduce flush_all_caches()

2022-08-19 Thread Davidlohr Bueso
With CXL security features, global CPU cache flushing nvdimm requirements are no longer specific to that subsystem, even beyond the scope of security_ops. CXL will need such semantics for features not necessarily limited to persistent memory. The functionality this is enabling is to be able to