Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1319146
| From | Peter Zijlstra <peterz@infradead.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [RFC PATCH 2/3] lib/list_batch, x86: Enable list insertion/deletion batching in x86-64 |
| Date | 2016-01-27 17:40 +0100 |
| Message-ID | <qVBir-6lh-23@gated-at.bofh.it> (permalink) |
| References | <qVelP-6xm-19@gated-at.bofh.it> <qVelP-6xm-17@gated-at.bofh.it> <qVjES-1TK-19@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Tue, Jan 26, 2016 at 01:44:13PM -0800, Andi Kleen wrote: > Waiman Long <Waiman.Long@hpe.com> writes: > > > > diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig > > index 330e738..443e41d 100644 > > --- a/arch/x86/Kconfig > > +++ b/arch/x86/Kconfig > > @@ -42,6 +42,7 @@ config X86 > > select ARCH_SUPPORTS_NUMA_BALANCING if X86_64 > > select ARCH_USE_BUILTIN_BSWAP > > select ARCH_USE_CMPXCHG_LOCKREF if X86_64 > > + select ARCH_USE_LIST_BATCHING if X86_64 > > I would make it unconditional. The code is simple enough > and shouldn't have drawbacks on smaller systems. I agree with the sentiment but would like to see a benchmark done on a small system to verify all the same.
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
[RFC PATCH 2/3] lib/list_batch, x86: Enable list insertion/deletion batching in x86-64 Waiman Long <Waiman.Long@hpe.com> - 2016-01-26 17:10 +0100
Re: [RFC PATCH 2/3] lib/list_batch, x86: Enable list insertion/deletion batching in x86-64 Andi Kleen <andi@firstfloor.org> - 2016-01-26 22:50 +0100
Re: [RFC PATCH 2/3] lib/list_batch, x86: Enable list insertion/deletion batching in x86-64 Peter Zijlstra <peterz@infradead.org> - 2016-01-27 17:40 +0100
Re: [RFC PATCH 2/3] lib/list_batch, x86: Enable list insertion/deletion batching in x86-64 Waiman Long <waiman.long@hpe.com> - 2016-01-27 21:40 +0100
csiph-web