On Mon, Jan 09, 2017 at 08:51:53PM +0000, James Hogan wrote: > The protected cache ops contain no out of line fixup code to return an > error code in the event of a fault, with the cache op being skipped in > that case. For KVM however we'd like to detect this case as page > faulting will be disabled so it could happen during normal operation if > the GVA page tables were flushed, and need to be handled by the caller. > > Add the out-of-line fixup code to load the error value -EFAULT into the > return variable, and adapt the protected cache line functions to pass > the error back to the caller. Acked-by: Ralf Baechle <ralf@xxxxxxxxxxxxxx> Ralf
