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Groups > linux.kernel > #1196122 > unrolled thread
| Started by | "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> |
|---|---|
| First post | 2015-07-30 17:20 +0200 |
| Last post | 2015-07-30 17:50 +0200 |
| Articles | 3 — 3 participants |
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Re: [PATCH tip/core/rcu 02/19] rcu: Remove CONFIG_RCU_CPU_STALL_INFO "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> - 2015-07-30 17:20 +0200
Re: [PATCH tip/core/rcu 02/19] rcu: Remove CONFIG_RCU_CPU_STALL_INFO Peter Zijlstra <peterz@infradead.org> - 2015-07-30 17:40 +0200
Re: [PATCH tip/core/rcu 02/19] rcu: Remove CONFIG_RCU_CPU_STALL_INFO Josh Triplett <josh@joshtriplett.org> - 2015-07-30 17:50 +0200
| From | "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> |
|---|---|
| Date | 2015-07-30 17:20 +0200 |
| Subject | Re: [PATCH tip/core/rcu 02/19] rcu: Remove CONFIG_RCU_CPU_STALL_INFO |
| Message-ID | <pRXMK-28D-11@gated-at.bofh.it> |
On Thu, Jul 30, 2015 at 02:49:55PM +0200, Peter Zijlstra wrote: > On Fri, Jul 17, 2015 at 04:29:07PM -0700, Paul E. McKenney wrote: > > From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> > > > > The CONFIG_RCU_CPU_STALL_INFO has been default-y for a couple of > > releases with no complaints, so it is time to eliminate this Kconfig > > option entirely, so that the long-form RCU CPU stall warnings cannot > > be disabled. This commit does just that. > > I would think the tiny people (/me looks @ Josh) would complain about > this.. They might, but if they do, I will point out that CONFIG_RCU_CPU_STALL_INFO only has effect for Tree RCU. And also that RCU CPU stall warnings are compiled out unless CONFIG_RCU_TRACE=y, which I suspect they are disabling. All that aside, I do appreciate the attention to tininess. Thanx, Paul -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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| From | Peter Zijlstra <peterz@infradead.org> |
|---|---|
| Date | 2015-07-30 17:40 +0200 |
| Message-ID | <pRY66-2v3-19@gated-at.bofh.it> |
| In reply to | #1196122 |
On Thu, Jul 30, 2015 at 08:13:41AM -0700, Paul E. McKenney wrote: > On Thu, Jul 30, 2015 at 02:49:55PM +0200, Peter Zijlstra wrote: > > On Fri, Jul 17, 2015 at 04:29:07PM -0700, Paul E. McKenney wrote: > > > From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> > > > > > > The CONFIG_RCU_CPU_STALL_INFO has been default-y for a couple of > > > releases with no complaints, so it is time to eliminate this Kconfig > > > option entirely, so that the long-form RCU CPU stall warnings cannot > > > be disabled. This commit does just that. > > > > I would think the tiny people (/me looks @ Josh) would complain about > > this.. > > They might, but if they do, I will point out that CONFIG_RCU_CPU_STALL_INFO > only has effect for Tree RCU. And also that RCU CPU stall warnings are > compiled out unless CONFIG_RCU_TRACE=y, which I suspect they are disabling. Ah, fair enough. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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| From | Josh Triplett <josh@joshtriplett.org> |
|---|---|
| Date | 2015-07-30 17:50 +0200 |
| Message-ID | <pRYfL-2Gd-9@gated-at.bofh.it> |
| In reply to | #1196122 |
On Thu, Jul 30, 2015 at 08:13:41AM -0700, Paul E. McKenney wrote: > On Thu, Jul 30, 2015 at 02:49:55PM +0200, Peter Zijlstra wrote: > > On Fri, Jul 17, 2015 at 04:29:07PM -0700, Paul E. McKenney wrote: > > > From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> > > > > > > The CONFIG_RCU_CPU_STALL_INFO has been default-y for a couple of > > > releases with no complaints, so it is time to eliminate this Kconfig > > > option entirely, so that the long-form RCU CPU stall warnings cannot > > > be disabled. This commit does just that. > > > > I would think the tiny people (/me looks @ Josh) would complain about > > this.. > > They might, but if they do, I will point out that CONFIG_RCU_CPU_STALL_INFO > only has effect for Tree RCU. And also that RCU CPU stall warnings are > compiled out unless CONFIG_RCU_TRACE=y, which I suspect they are disabling. You took the words right out of my mouth. :) > All that aside, I do appreciate the attention to tininess. Likewise! -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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