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Date: Thu, 19 Mar 2020 02:21:07 -0700 From: Davidlohr Bueso <dave@...olabs.net> To: Thomas Gleixner <tglx@...utronix.de> Cc: LKML <linux-kernel@...r.kernel.org>, Peter Zijlstra <peterz@...radead.org>, Linus Torvalds <torvalds@...ux-foundation.org>, Ingo Molnar <mingo@...nel.org>, Will Deacon <will@...nel.org>, "Paul E . McKenney" <paulmck@...nel.org>, Joel Fernandes <joel@...lfernandes.org>, Steven Rostedt <rostedt@...dmis.org>, Randy Dunlap <rdunlap@...radead.org>, Michael Ellerman <mpe@...erman.id.au>, Arnd Bergmann <arnd@...db.de>, linuxppc-dev@...ts.ozlabs.org, Sebastian Andrzej Siewior <bigeasy@...utronix.de>, Logan Gunthorpe <logang@...tatee.com>, Kurt Schwemmer <kurt.schwemmer@...rosemi.com>, Bjorn Helgaas <bhelgaas@...gle.com>, linux-pci@...r.kernel.org, Felipe Balbi <balbi@...nel.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, linux-usb@...r.kernel.org, Kalle Valo <kvalo@...eaurora.org>, "David S. Miller" <davem@...emloft.net>, linux-wireless@...r.kernel.org, netdev@...r.kernel.org, Oleg Nesterov <oleg@...hat.com> Subject: Re: [patch V2 07/15] powerpc/ps3: Convert half completion to rcuwait On Wed, 18 Mar 2020, Thomas Gleixner wrote: >AFAICT the kthread uses TASK_INTERRUPTIBLE to not increase loadavg, kthreads >cannot receive signals by default and this one doesn't look different. Use >TASK_IDLE instead. Hmm it seems in general this needs to be done kernel-wide. This kthread abuse of TASK_INTERRUPTIBLE seems to be a common thing. There's also the users doing schedule_timeout_interruptible()... Thanks, Davidlohr
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