linux-kernel - [PATCH v3] TLB flush optimization

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:	Tue,  8 May 2012 22:03:03 +0800
From:	Alex Shi <alex.shi@...el.com>
To:	mgorman@...e.de, npiggin@...il.com, tglx@...utronix.de,
	mingo@...hat.com, hpa@...or.com, arnd@...db.de,
	rostedt@...dmis.org, fweisbec@...il.com
Cc:	jeremy@...p.org, gregkh@...uxfoundation.org, glommer@...hat.com,
	riel@...hat.com, luto@....edu, alex.shi@...el.com, avi@...hat.com,
	len.brown@...el.com, dhowells@...hat.com, fenghua.yu@...el.com,
	borislav.petkov@....com, yinghai@...nel.org, ak@...ux.intel.com,
	cpw@....com, steiner@....com, akpm@...ux-foundation.org,
	penberg@...nel.org, hughd@...gle.com, rientjes@...gle.com,
	kosaki.motohiro@...fujitsu.com, n-horiguchi@...jp.nec.com,
	paul.gortmaker@...driver.com, trenn@...e.de, tj@...nel.org,
	oleg@...hat.com, axboe@...nel.dk, a.p.zijlstra@...llo.nl,
	kamezawa.hiroyu@...fujitsu.com, viro@...iv.linux.org.uk,
	linux-kernel@...r.kernel.org
Subject: [PATCH v3] TLB flush optimization 

This version just added 2 patches, the 6th and 7th. The first 5 patches are 
same as v2.

Seems it is a little hard for me to find a real case to show performance gain.
But the advantage is there ture.

Any comments are appreciated!

Alex

[PATCH v3 1/7] x86/tlb_info: get last level TLB entry number of CPU
[PATCH v3 2/7] x86/flush_tlb: try flush_tlb_single one by one in
[PATCH v3 3/7] x86/tlb: fall back to flush all when meet a THP large
[PATCH v3 4/7] x86/tlb: add tlb flush all factor for specific CPUs
[PATCH v3 5/7] x86/tlb: remove comments for tlb_flush_range
[PATCH v3 6/7] x86/tlb: optimizing flush_tlb_mm
[PATCH v3 7/7] x86/tlb: add tlb_flushall_factor into sysfs for user
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/