Re: [PATCH AUTOSEL 5.4 26/35] SUNRPC: defer slow parts of rpc_free_client() to a workqueue.

On Fri, May 08, 2020 at 07:18:53AM +1000, NeilBrown wrote: On Thu, May 07 2020, Sasha Levin wrote: From: NeilBrown [ Upstream commit 7c4310ff56422ea43418305d22bbc5fe19150ec4 ] This one is buggy - it introduces a use-after-free. Best delay it for now. I've dropped it, thanks! -- Thanks,

Re: [PATCH AUTOSEL 5.4 26/35] SUNRPC: defer slow parts of rpc_free_client() to a workqueue.

On Thu, May 07 2020, Sasha Levin wrote: > From: NeilBrown > > [ Upstream commit 7c4310ff56422ea43418305d22bbc5fe19150ec4 ] This one is buggy - it introduces a use-after-free. Best delay it for now. NeilBrown > > The rpciod workqueue is on the write-out path for freeing dirty memory, > so it

[PATCH AUTOSEL 5.4 26/35] SUNRPC: defer slow parts of rpc_free_client() to a workqueue.

From: NeilBrown [ Upstream commit 7c4310ff56422ea43418305d22bbc5fe19150ec4 ] The rpciod workqueue is on the write-out path for freeing dirty memory, so it is important that it never block waiting for memory to be allocated - this can lead to a deadlock. rpc_execute() - which is often called by