From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Borislav Petkov <bp@amd64.org>
Cc: Alex Shi <alex.shi@intel.com>,
rob@landley.net, tglx@linutronix.de, mingo@redhat.com,
hpa@zytor.com, arnd@arndb.de, rostedt@goodmis.org,
fweisbec@gmail.com, jeremy@goop.org, gregkh@linuxfoundation.org,
riel@redhat.com, luto@mit.edu, avi@redhat.com,
len.brown@intel.com, dhowells@redhat.com, fenghua.yu@intel.com,
ak@linux.intel.com, cpw@sgi.com, steiner@sgi.com,
akpm@linux-foundation.org, penberg@kernel.org, hughd@google.com,
rientjes@google.com, kosaki.motohiro@jp.fujitsu.com,
n-horiguchi@ah.jp.nec.com, paul.gortmaker@windriver.com,
trenn@suse.de, tj@kernel.org, oleg@redhat.com, axboe@kernel.dk,
kamezawa.hiroyu@jp.fujitsu.com, viro@zeniv.linux.org.uk,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 3/7] x86/flush_tlb: try flush_tlb_single one by one in flush_tlb_range
Date: Tue, 15 May 2012 14:00:43 +0200 [thread overview]
Message-ID: <1337083243.27020.153.camel@laptop> (raw)
In-Reply-To: <20120515115638.GE27153@aftab.osrc.amd.com>
On Tue, 2012-05-15 at 13:56 +0200, Borislav Petkov wrote:
> On Tue, May 15, 2012 at 01:16:22PM +0200, Peter Zijlstra wrote:
> > Wouldn't all this become much prettier if you rip out that
> > multi-vector stuff?
>
> multi-vector stuff? Please elaborate.
The INVALIDATE_TLB_VECTOR muck:
apic->send_IPI_mask(to_cpumask(f->flush_cpumask),
INVALIDATE_TLB_VECTOR_START + sender);
and simply use:
smp_call_function()
next prev parent reply other threads:[~2012-05-15 12:00 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-10 5:00 [PATCH v4 0/7] tlb flush optimization Alex Shi
2012-05-10 5:00 ` [PATCH v4 1/7] x86/tlb: unify TLB_FLUSH_ALL definition Alex Shi
2012-05-10 18:46 ` Rob Landley
2012-05-11 18:33 ` H. Peter Anvin
2012-05-10 5:00 ` [PATCH v4 2/7] x86/tlb_info: get last level TLB entry number of CPU Alex Shi
2012-05-10 14:43 ` Borislav Petkov
2012-05-11 0:33 ` Alex Shi
2012-05-10 15:58 ` Borislav Petkov
2012-05-11 0:38 ` Alex Shi
2012-05-10 5:00 ` [PATCH v4 3/7] x86/flush_tlb: try flush_tlb_single one by one in flush_tlb_range Alex Shi
2012-05-10 7:53 ` Borislav Petkov
2012-05-10 8:50 ` Alex Shi
2012-05-10 21:42 ` Rob Landley
2012-05-10 8:42 ` Borislav Petkov
2012-05-10 9:04 ` Alex Shi
2012-05-12 8:01 ` Alex Shi
2012-05-13 11:13 ` Borislav Petkov
2012-05-15 1:06 ` Alex Shi
2012-05-15 10:33 ` Borislav Petkov
2012-05-15 11:16 ` Peter Zijlstra
2012-05-15 11:56 ` Borislav Petkov
2012-05-15 12:00 ` Peter Zijlstra [this message]
2012-05-15 13:58 ` Alex Shi
2012-05-10 5:00 ` [PATCH v4 4/7] x86/tlb: fall back to flush all when meet a THP large page Alex Shi
2012-05-10 9:29 ` Peter Zijlstra
2012-05-10 10:40 ` Borislav Petkov
2012-05-11 0:44 ` Alex Shi
2012-05-11 9:03 ` Peter Zijlstra
2012-05-11 16:28 ` Andrea Arcangeli
2012-05-12 7:58 ` Alex Shi
2012-05-10 5:00 ` [PATCH v4 5/7] x86/tlb: add tlb flush all factor for specific CPU Alex Shi
2012-05-10 9:35 ` Peter Zijlstra
2012-05-11 0:47 ` Alex Shi
2012-05-10 9:37 ` Peter Zijlstra
2012-05-11 0:48 ` Alex Shi
2012-05-10 9:38 ` Peter Zijlstra
2012-05-10 10:42 ` Borislav Petkov
2012-05-11 0:50 ` Alex Shi
2012-05-11 0:49 ` Alex Shi
2012-05-11 9:04 ` Peter Zijlstra
2012-05-11 9:04 ` Peter Zijlstra
2012-05-11 12:51 ` Alex Shi
2012-05-10 5:00 ` [PATCH v4 6/7] x86/tlb: optimizing flush_tlb_mm Alex Shi
2012-05-10 8:27 ` Peter Zijlstra
2012-05-10 5:00 ` [PATCH v4 7/7] x86/tlb: add tlb_flushall_factor into sysfs for user testing/tuning Alex Shi
2012-05-10 8:27 ` Borislav Petkov
2012-05-11 0:52 ` Alex Shi
2012-05-11 9:51 ` Borislav Petkov
2012-05-11 12:53 ` Alex Shi
2012-05-10 15:13 ` Greg KH
2012-05-11 0:59 ` Alex Shi
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