> -----Original Message----- > From: Matthew Wilcox [mailto:willy@xxxxxxxxxxxxx] > Sent: Thursday, March 02, 2017 1:20 PM > To: Peter Zijlstra > Cc: Byungchul Park; mingo@xxxxxxxxxx; tglx@xxxxxxxxxxxxx; > walken@xxxxxxxxxx; boqun.feng@xxxxxxxxx; kirill@xxxxxxxxxxxxx; linux- > kernel@xxxxxxxxxxxxxxx; linux-mm@xxxxxxxxx; iamjoonsoo.kim@xxxxxxx; > akpm@xxxxxxxxxxxxxxxxxxxx; npiggin@xxxxxxxxx > Subject: Re: [PATCH v5 06/13] lockdep: Implement crossrelease feature > > On Tue, Feb 28, 2017 at 07:15:47PM +0100, Peter Zijlstra wrote: > > (And we should not be returning to userspace with locks held anyway -- > > lockdep already has a check for that). > > Don't we return to userspace with page locks held, eg during async > directio? Hello, I think that the check when returning to user with crosslocks held should be an exception. Don't you think so? Thanks, Byungchul -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>
