From: 'Sebastian Andrzej Siewior' > Sent: 17 October 2018 11:39 > On 2018-10-17 09:54:38 [+0000], David Laight wrote: > > Can it make any sense to flush the tlb with preemption enabled? > it might. Usually it is disabled for other reasons.
That's what I mean, it should be disabled by the caller. > > Surely preemption must be disabled over something else as well? > In this case it is due to the CR3 reload. I don't see anything else. Right, so it should be disabled before the CR3 reload and enabled after? David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)