On 02/21/2018 05:55 PM, Ram Pai wrote: > Generally the signal handler restores the state of the pkey register > before returning. However there are times when the read/write operation > can legitamely fail without invoking the signal handler. Eg: A > sys_read() operaton to a write-protected page should be disallowed. In > such a case the state of the pkey register is not restored to its > original state. The test case is responsible for restoring the key > register state to its original value. Oh, that's a good point. Could we just do this in a common place, though? Like reset the register after each test? Seems more foolproof.
