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From: Markus Elfring <Markus.Elfring@web.de>
To: Michel Lespinasse <walken@google.com>, linux-mm <linux-mm@kvack.org>
Cc: Davidlohr Bueso <dave@stgolabs.net>,
	Peter Zijlstra <peterz@infradead.org>,
	Hugh Dickins <hughd@google.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Liam Howlett <Liam.Howlett@oracle.com>,
	Jason Gunthorpe <jgg@ziepe.ca>,
	Matthew Wilcox <willy@infradead.org>,
	Ying Han <yinghan@google.com>,
	David Rientjes <rientjes@google.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	Laurent Dufour <ldufour@linux.ibm.com>,
	Coccinelle <cocci@systeme.lip6.fr>,
	Vlastimil Babka <vbabka@suse.cz>
Subject: Re: [Cocci] [PATCH v2 04/10] mmap locking API: use coccinelle to convert mmap_sem rwsem call sites
Date: Fri, 27 Mar 2020 08:22:09 +0100
Message-ID: <d780d91f-43fa-b2ec-1a08-80013b153a56@web.de> (raw)
In-Reply-To: <20200327021058.221911-5-walken@google.com>

> This change converts the existing mmap_sem rwsem calls to use the new
> mmap locking API instead.
>
> The change is generated using coccinelle with the following rules:

Would you like to apply only a single SmPL rule here?


> // spatch --sp-file mmap_lock_api.cocci --in-place --include-headers --dir .

Command parameters like “--jobs 8 --chunksize 1” can be also helpful
for a parallel execution of the desired software transformation.

I suggest to consider another possibility for a bit of fine-tuning in the shown
SmPL script if you would eventually care for nicer run time characteristics
for the application of such a SmPL disjunction.
How do you think about to order the elements according to a probable
function call frequency?

Regards,
Markus
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Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20200327021058.221911-1-walken@google.com>
     [not found] ` <20200327021058.221911-5-walken@google.com>
2020-03-27  7:22   ` Markus Elfring [this message]
2020-03-27  7:44     ` Michel Lespinasse
2020-03-27  8:00       ` [Cocci] [v2 " Markus Elfring
2020-03-27  8:08         ` Michel Lespinasse
     [not found] ` <20200327021058.221911-6-walken@google.com>
2020-03-27  8:21   ` [Cocci] [PATCH v2 05/10] mmap locking API: convert mmap_sem call sites missed by coccinelle Markus Elfring

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