From: "Michael S. Tsirkin" <mst@redhat.com> To: Jason Gunthorpe <jgg@ziepe.ca> Cc: "Paul E. McKenney" <paulmck@linux.ibm.com>, Matthew Wilcox <willy@infradead.org>, aarcange@redhat.com, akpm@linux-foundation.org, christian@brauner.io, davem@davemloft.net, ebiederm@xmission.com, elena.reshetova@intel.com, guro@fb.com, hch@infradead.org, james.bottomley@hansenpartnership.com, jasowang@redhat.com, jglisse@redhat.com, keescook@chromium.org, ldv@altlinux.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-parisc@vger.kernel.org, luto@amacapital.net, mhocko@suse.com, mingo@kernel.org, namit@vmware.com, peterz@infradead.org, syzkaller-bugs@googlegroups.com, viro@zeniv.linux.org.uk, wad@chromium.org Subject: Re: RFC: call_rcu_outstanding (was Re: WARNING in __mmdrop) Date: Mon, 22 Jul 2019 12:15:22 -0400 [thread overview] Message-ID: <20190722121441-mutt-send-email-mst@kernel.org> (raw) In-Reply-To: <20190722160448.GH7607@ziepe.ca> On Mon, Jul 22, 2019 at 01:04:48PM -0300, Jason Gunthorpe wrote: > On Mon, Jul 22, 2019 at 08:52:35AM -0700, Paul E. McKenney wrote: > > So why then is there a problem? > > I'm not sure there is a real problem, I thought Michael was just > asking how to design with RCU in the case where the user controls the > kfree_rcu?? Right it's all based on documentation saying we should worry :) > Sounds like the answer is "don't worry about it" ? > > Thanks, > Jason
WARNING: multiple messages have this Message-ID (diff)
From: "Michael S. Tsirkin" <mst@redhat.com> To: Jason Gunthorpe <jgg@ziepe.ca> Cc: mhocko@suse.com, peterz@infradead.org, jasowang@redhat.com, ldv@altlinux.org, james.bottomley@hansenpartnership.com, linux-mm@kvack.org, namit@vmware.com, "Paul E. McKenney" <paulmck@linux.ibm.com>, mingo@kernel.org, elena.reshetova@intel.com, aarcange@redhat.com, davem@davemloft.net, Matthew Wilcox <willy@infradead.org>, hch@infradead.org, linux-arm-kernel@lists.infradead.org, keescook@chromium.org, syzkaller-bugs@googlegroups.com, jglisse@redhat.com, viro@zeniv.linux.org.uk, christian@brauner.io, wad@chromium.org, linux-parisc@vger.kernel.org, linux-kernel@vger.kernel.org, luto@amacapital.net, ebiederm@xmission.com, akpm@linux-foundation.org, guro@fb.com Subject: Re: RFC: call_rcu_outstanding (was Re: WARNING in __mmdrop) Date: Mon, 22 Jul 2019 12:15:22 -0400 [thread overview] Message-ID: <20190722121441-mutt-send-email-mst@kernel.org> (raw) In-Reply-To: <20190722160448.GH7607@ziepe.ca> On Mon, Jul 22, 2019 at 01:04:48PM -0300, Jason Gunthorpe wrote: > On Mon, Jul 22, 2019 at 08:52:35AM -0700, Paul E. McKenney wrote: > > So why then is there a problem? > > I'm not sure there is a real problem, I thought Michael was just > asking how to design with RCU in the case where the user controls the > kfree_rcu?? Right it's all based on documentation saying we should worry :) > Sounds like the answer is "don't worry about it" ? > > Thanks, > Jason _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2019-07-22 16:15 UTC|newest] Thread overview: 176+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-07-19 3:35 WARNING in __mmdrop syzbot 2019-07-20 10:08 ` syzbot 2019-07-20 10:08 ` syzbot 2019-07-20 10:08 ` syzbot 2019-07-21 10:02 ` Michael S. Tsirkin 2019-07-21 10:02 ` Michael S. Tsirkin 2019-07-21 12:18 ` Michael S. Tsirkin 2019-07-21 12:18 ` Michael S. Tsirkin 2019-07-22 5:24 ` Jason Wang 2019-07-22 5:24 ` Jason Wang 2019-07-22 8:08 ` Michael S. Tsirkin 2019-07-22 8:08 ` Michael S. Tsirkin 2019-07-23 4:01 ` Jason Wang 2019-07-23 4:01 ` Jason Wang 2019-07-23 5:01 ` Michael S. Tsirkin 2019-07-23 5:01 ` Michael S. Tsirkin 2019-07-23 5:47 ` Jason Wang 2019-07-23 5:47 ` Jason Wang 2019-07-23 7:23 ` Michael S. Tsirkin 2019-07-23 7:23 ` Michael S. Tsirkin 2019-07-23 7:53 ` Jason Wang 2019-07-23 7:53 ` Jason Wang 2019-07-23 8:10 ` Michael S. Tsirkin 2019-07-23 8:10 ` Michael S. Tsirkin 2019-07-23 8:49 ` Jason Wang 2019-07-23 8:49 ` Jason Wang 2019-07-23 9:26 ` Michael S. Tsirkin 2019-07-23 9:26 ` Michael S. Tsirkin 2019-07-23 13:31 ` Jason Wang 2019-07-23 13:31 ` Jason Wang 2019-07-25 5:52 ` Michael S. Tsirkin 2019-07-25 5:52 ` Michael S. Tsirkin 2019-07-25 7:43 ` Jason Wang 2019-07-25 7:43 ` Jason Wang 2019-07-25 8:28 ` Michael S. Tsirkin 2019-07-25 8:28 ` Michael S. Tsirkin 2019-07-25 13:21 ` Jason Wang 2019-07-25 13:21 ` Jason Wang 2019-07-25 13:26 ` Michael S. Tsirkin 2019-07-25 13:26 ` Michael S. Tsirkin 2019-07-25 14:25 ` Jason Wang 2019-07-25 14:25 ` Jason Wang 2019-07-26 11:49 ` Michael S. Tsirkin 2019-07-26 11:49 ` Michael S. Tsirkin 2019-07-26 12:00 ` Jason Wang 2019-07-26 12:00 ` Jason Wang 2019-07-26 12:38 ` Michael S. Tsirkin 2019-07-26 12:38 ` Michael S. Tsirkin 2019-07-26 12:53 ` Jason Wang 2019-07-26 12:53 ` Jason Wang 2019-07-26 13:36 ` Jason Wang 2019-07-26 13:36 ` Jason Wang 2019-07-26 13:49 ` Michael S. Tsirkin 2019-07-26 13:49 ` Michael S. Tsirkin 2019-07-29 5:54 ` Jason Wang 2019-07-29 5:54 ` Jason Wang 2019-07-29 8:59 ` Michael S. Tsirkin 2019-07-29 8:59 ` Michael S. Tsirkin 2019-07-29 14:24 ` Jason Wang 2019-07-29 14:24 ` Jason Wang 2019-07-29 14:44 ` Michael S. Tsirkin 2019-07-29 14:44 ` Michael S. Tsirkin 2019-07-30 7:44 ` Jason Wang 2019-07-30 7:44 ` Jason Wang 2019-07-30 8:03 ` Jason Wang 2019-07-30 8:03 ` Jason Wang 2019-07-30 15:08 ` Michael S. Tsirkin 2019-07-30 15:08 ` Michael S. Tsirkin 2019-07-31 8:49 ` Jason Wang 2019-07-31 8:49 ` Jason Wang 2019-07-31 23:00 ` Jason Gunthorpe 2019-07-31 23:00 ` Jason Gunthorpe 2019-07-26 13:47 ` Michael S. Tsirkin 2019-07-26 13:47 ` Michael S. Tsirkin 2019-07-26 14:00 ` Jason Wang 2019-07-26 14:00 ` Jason Wang 2019-07-26 14:10 ` Michael S. Tsirkin 2019-07-26 14:10 ` Michael S. Tsirkin 2019-07-26 15:03 ` Jason Gunthorpe 2019-07-26 15:03 ` Jason Gunthorpe 2019-07-29 5:56 ` Jason Wang 2019-07-29 5:56 ` Jason Wang 2019-07-21 12:28 ` RFC: call_rcu_outstanding (was Re: WARNING in __mmdrop) Michael S. Tsirkin 2019-07-21 12:28 ` Michael S. Tsirkin 2019-07-21 13:17 ` Paul E. McKenney 2019-07-21 13:17 ` Paul E. McKenney 2019-07-21 17:53 ` Michael S. Tsirkin 2019-07-21 17:53 ` Michael S. Tsirkin 2019-07-21 19:28 ` Paul E. McKenney 2019-07-21 19:28 ` Paul E. McKenney 2019-07-22 7:56 ` Michael S. Tsirkin 2019-07-22 7:56 ` Michael S. Tsirkin 2019-07-22 11:57 ` Paul E. McKenney 2019-07-22 11:57 ` Paul E. McKenney 2019-07-21 21:08 ` Matthew Wilcox 2019-07-21 21:08 ` Matthew Wilcox 2019-07-21 23:31 ` Paul E. McKenney 2019-07-21 23:31 ` Paul E. McKenney 2019-07-22 7:52 ` Michael S. Tsirkin 2019-07-22 7:52 ` Michael S. Tsirkin 2019-07-22 11:51 ` Paul E. McKenney 2019-07-22 11:51 ` Paul E. McKenney 2019-07-22 13:41 ` Jason Gunthorpe 2019-07-22 13:41 ` Jason Gunthorpe 2019-07-22 15:52 ` Paul E. McKenney 2019-07-22 15:52 ` Paul E. McKenney 2019-07-22 16:04 ` Jason Gunthorpe 2019-07-22 16:04 ` Jason Gunthorpe 2019-07-22 16:15 ` Michael S. Tsirkin [this message] 2019-07-22 16:15 ` Michael S. Tsirkin 2019-07-22 16:15 ` Paul E. McKenney 2019-07-22 16:15 ` Paul E. McKenney 2019-07-22 15:14 ` Joel Fernandes 2019-07-22 15:14 ` Joel Fernandes 2019-07-22 15:47 ` Michael S. Tsirkin 2019-07-22 15:47 ` Michael S. Tsirkin 2019-07-22 15:55 ` Paul E. McKenney 2019-07-22 15:55 ` Paul E. McKenney 2019-07-22 16:13 ` Michael S. Tsirkin 2019-07-22 16:13 ` Michael S. Tsirkin 2019-07-22 16:25 ` Paul E. McKenney 2019-07-22 16:25 ` Paul E. McKenney 2019-07-22 16:32 ` Michael S. Tsirkin 2019-07-22 16:32 ` Michael S. Tsirkin 2019-07-22 18:58 ` Paul E. McKenney 2019-07-22 18:58 ` Paul E. McKenney 2019-07-22 5:21 ` WARNING in __mmdrop Jason Wang 2019-07-22 5:21 ` Jason Wang 2019-07-22 8:02 ` Michael S. Tsirkin 2019-07-22 8:02 ` Michael S. Tsirkin 2019-07-23 3:55 ` Jason Wang 2019-07-23 3:55 ` Jason Wang 2019-07-23 5:02 ` Michael S. Tsirkin 2019-07-23 5:02 ` Michael S. Tsirkin 2019-07-23 5:48 ` Jason Wang 2019-07-23 5:48 ` Jason Wang 2019-07-23 7:25 ` Michael S. Tsirkin 2019-07-23 7:25 ` Michael S. Tsirkin 2019-07-23 7:55 ` Jason Wang 2019-07-23 7:55 ` Jason Wang 2019-07-23 7:56 ` Michael S. Tsirkin 2019-07-23 7:56 ` Michael S. Tsirkin 2019-07-23 8:42 ` Jason Wang 2019-07-23 8:42 ` Jason Wang 2019-07-23 10:27 ` Michael S. Tsirkin 2019-07-23 10:27 ` Michael S. Tsirkin 2019-07-23 13:34 ` Jason Wang 2019-07-23 13:34 ` Jason Wang 2019-07-23 15:02 ` Michael S. Tsirkin 2019-07-23 15:02 ` Michael S. Tsirkin 2019-07-24 2:17 ` Jason Wang 2019-07-24 2:17 ` Jason Wang 2019-07-24 8:05 ` Michael S. Tsirkin 2019-07-24 8:05 ` Michael S. Tsirkin 2019-07-24 10:08 ` Jason Wang 2019-07-24 10:08 ` Jason Wang 2019-07-24 18:25 ` Michael S. Tsirkin 2019-07-24 18:25 ` Michael S. Tsirkin 2019-07-25 3:44 ` Jason Wang 2019-07-25 3:44 ` Jason Wang 2019-07-25 5:09 ` Michael S. Tsirkin 2019-07-25 5:09 ` Michael S. Tsirkin 2019-07-24 16:53 ` Jason Gunthorpe 2019-07-24 16:53 ` Jason Gunthorpe 2019-07-24 18:25 ` Michael S. Tsirkin 2019-07-24 18:25 ` Michael S. Tsirkin 2019-07-23 10:42 ` Michael S. Tsirkin 2019-07-23 10:42 ` Michael S. Tsirkin 2019-07-23 13:37 ` Jason Wang 2019-07-23 13:37 ` Jason Wang 2019-07-22 14:11 ` Jason Gunthorpe 2019-07-22 14:11 ` Jason Gunthorpe 2019-07-25 6:02 ` Michael S. Tsirkin 2019-07-25 6:02 ` Michael S. Tsirkin 2019-07-25 7:44 ` Jason Wang 2019-07-25 7:44 ` Jason Wang
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