Re: [PATCH 2/2]x86: spread tlb flush vector between nodes

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From: Peter Zijlstra

Subject: Re: [PATCH 2/2]x86: spread tlb flush vector between nodes

Date: Wednesday, October 20, 2010 - 5:08 am

On Wed, 2010-10-20 at 14:06 +0200, Andi Kleen wrote:
quoted text> On Wed, Oct 20, 2010 at 01:20:52PM +0200, Peter Zijlstra wrote:
> > On Wed, 2010-10-20 at 09:31 +0200, Andi Kleen wrote:
> > > Really a lot of the per CPU scaling we have today should be per core
> > > or per node to avoid explosion. 
> > 
> > Shouldn't that be per-cache instead of per-core?
> 
> That's the same on modern x86:

Last time I checked there's more than 1 directory in arch/
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Messages in current thread:

[PATCH 2/2]x86: spread tlb flush vector between nodes, Shaohua Li, (Tue Oct 19, 8:07 pm)

Re: [PATCH 2/2]x86: spread tlb flush vector between nodes, Eric Dumazet, (Tue Oct 19, 10:16 pm)

Re: [PATCH 2/2]x86: spread tlb flush vector between nodes, Andi Kleen, (Wed Oct 20, 12:30 am)

Re: [PATCH 2/2]x86: spread tlb flush vector between nodes, Andi Kleen, (Wed Oct 20, 12:31 am)

Re: [PATCH 2/2]x86: spread tlb flush vector between nodes, Shaohua Li, (Wed Oct 20, 1:44 am)

Re: [PATCH 2/2]x86: spread tlb flush vector between nodes, Peter Zijlstra, (Wed Oct 20, 4:20 am)

Re: [PATCH 2/2]x86: spread tlb flush vector between nodes, Andi Kleen, (Wed Oct 20, 5:06 am)

Re: [PATCH 2/2]x86: spread tlb flush vector between nodes, Peter Zijlstra, (Wed Oct 20, 5:08 am)

Re: [PATCH 2/2]x86: spread tlb flush vector between nodes, Andi Kleen, (Wed Oct 20, 5:18 am)

[tip:x86/mm] x86: Spread tlb flush vector between nodes, tip-bot for Shaohua Li, (Wed Oct 20, 4:07 pm)


linux-kernel:
Ken Chen	[patch] sched: fix inconsistency when redistribute per-cpu tg->cfs_rq shares.
Ingo Molnar	Re: [PATCH v3] x86: merge the simple bitops and move them to bitops.h
Jan Engelhardt	Re: [PATCH] Allow Kconfig to set default mmap_min_addr protection
Dmitry Torokhov	Re: [2.6 patch] input/serio/hp_sdc.c section fix
Rafael J. Wysocki	[Bug #16380] Loop devices act strangely in 2.6.35
git:
Steven Grimm	Using git as a general backup mechanism (was Re: Using GIT to store /etc)
Jeff King	Re: [PATCH] git-reset: allow --soft in a bare repo
Johannes Sixt	Re: [PATCH 01/14] msvc: Fix compilation errors in compat/win32/sys/poll.c
Johannes Schindelin	Re: [PATCH] Uninstall rule for top level Makefile
Shawn O. Pearce	Re: [PATCH v2] Speed up bash completion loading
git-commits-head:
Linux Kernel Mailing List	cgroups: clean up cgroup_pidlist_find() a bit
Linux Kernel Mailing List	sony-laptop: Add support for extended hotkeys
Linux Kernel Mailing List	IB/core: Add support for masked atomic operations
Linux Kernel Mailing List	V4L/DVB (8939): cx18: fix sparse warnings
Linux Kernel Mailing List	ipv6 mcast: Check address family of gf_group in getsockopt(MS_FILTER).
linux-netdev:
Inaky Perez-Gonzalez	[PATCH 40/40] wimax/i2400m: add CREDITS and MAINTAINERS entries
Karsten Keil	[mISDN PATCH v2 05/19] Reduce stack size in dsp_cmx_send()
linux	Re: 2.6.23-rc8 network problem. Mem leak? ip1000a?
David Miller	Re: tun: Use netif_receive_skb instead of netif_rx
David Miller	Re: [net-next PATCH v2] llc enhancements
freebsd-current:
Matthew Fleming	Re: [RFC] Outline of USB process integration in the kernel taskqueue system
illoai@gmail.com	Re: OT: 2d password
Hartmut Brandt	Re: problem with nss_ldap
Andrew Reilly	Re: FreeBSD's problems as seen by the BSDForen.de community
Max Laier	Re: Upcoming ABI Breakage in RELENG_7