[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <20181105104204.GB9042@350D>
Date: Mon, 5 Nov 2018 21:42:04 +1100
From: Balbir Singh <bsingharora@...il.com>
To: Laurent Dufour <ldufour@...ux.vnet.ibm.com>
Cc: akpm@...ux-foundation.org, mhocko@...nel.org, peterz@...radead.org,
kirill@...temov.name, ak@...ux.intel.com, dave@...olabs.net,
jack@...e.cz, Matthew Wilcox <willy@...radead.org>,
khandual@...ux.vnet.ibm.com, aneesh.kumar@...ux.vnet.ibm.com,
benh@...nel.crashing.org, mpe@...erman.id.au, paulus@...ba.org,
Thomas Gleixner <tglx@...utronix.de>,
Ingo Molnar <mingo@...hat.com>, hpa@...or.com,
Will Deacon <will.deacon@....com>,
Sergey Senozhatsky <sergey.senozhatsky@...il.com>,
sergey.senozhatsky.work@...il.com,
Andrea Arcangeli <aarcange@...hat.com>,
Alexei Starovoitov <alexei.starovoitov@...il.com>,
kemi.wang@...el.com, Daniel Jordan <daniel.m.jordan@...cle.com>,
David Rientjes <rientjes@...gle.com>,
Jerome Glisse <jglisse@...hat.com>,
Ganesh Mahendran <opensource.ganesh@...il.com>,
Minchan Kim <minchan@...nel.org>,
Punit Agrawal <punitagrawal@...il.com>,
vinayak menon <vinayakm.list@...il.com>,
Yang Shi <yang.shi@...ux.alibaba.com>,
linux-kernel@...r.kernel.org, linux-mm@...ck.org,
haren@...ux.vnet.ibm.com, npiggin@...il.com,
paulmck@...ux.vnet.ibm.com, Tim Chen <tim.c.chen@...ux.intel.com>,
linuxppc-dev@...ts.ozlabs.org, x86@...nel.org
Subject: Re: [PATCH v11 00/26] Speculative page faults
On Thu, May 17, 2018 at 01:06:07PM +0200, Laurent Dufour wrote:
> This is a port on kernel 4.17 of the work done by Peter Zijlstra to handle
> page fault without holding the mm semaphore [1].
>
> The idea is to try to handle user space page faults without holding the
> mmap_sem. This should allow better concurrency for massively threaded
Question -- I presume mmap_sem (rw_semaphore implementation tested against)
was qrwlock?
Balbir Singh.
Powered by blists - more mailing lists