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From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Yury Norov <yury.norov@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Rasmus Villemoes <linux@rasmusvillemoes.dk>,
	Arnd Bergmann <arnd@arndb.de>, Kees Cook <keescook@chromium.org>,
	Matthew Wilcox <willy@infradead.org>,
	Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>,
	Mike Travis <travis@sgi.com>, Yury Norov <ynorov@marvell.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 0/5] lib: rework bitmap_parselist and tests
Date: Wed, 3 Apr 2019 14:24:14 +0300	[thread overview]
Message-ID: <20190403112414.GT9224@smile.fi.intel.com> (raw)
In-Reply-To: <20190403044540.16322-1-ynorov@marvell.com>

On Wed, Apr 03, 2019 at 07:45:35AM +0300, Yury Norov wrote:
> bitmap_parselist has been evolved from a pretty simple idea for long and
> now lacks for refactoring. It is not structured, has nested loops and a
> set of opaque-named variables.
> 
> Things are more complicated because bitmap_parselist() is a part of user
> interface, and its behavior should not change.
> 
> In this patchset
>  - bitmap_parselist_user() made a wrapper on bitmap_parselist();
>  - bitmap_parselist() reworked (patch 2);
>  - time measurement in test_bitmap_parselist switched to ktime_get
>    (patch 3);
>  - new tests introduced (patch 4), and
>  - bitmap_parselist_user() testing enabled with the same testset as
>    bitmap_parselist() (patch 5).

Thanks for an update. Result looks good, though few comments per individual patches.

> 
> v1: https://lkml.org/lkml/2018/12/23/50
> v2: https://www.spinics.net/lists/kernel/msg3048976.html
> v3: Implementation of an approach with copying the data to
>     kernel space in bitmap_parselist_user() instead of parsing
>     user data byte by byte. For me, it looks better than v2.
> 
> Yury Norov (5):
>   lib: make bitmap_parselist_user() a wrapper on bitmap_parselist()
>   lib: rework bitmap_parselist
>   lib/test_bitmap: switch test_bitmap_parselist to ktime_get()
>   lib/test_bitmap: add testcases for bitmap_parselist
>   lib/test_bitmap: add tests for bitmap_parselist_user
> 
>  lib/bitmap.c      | 285 ++++++++++++++++++++++++++--------------------
>  lib/test_bitmap.c |  67 ++++++++---
>  2 files changed, 218 insertions(+), 134 deletions(-)
> 
> -- 
> 2.17.1
> 

-- 
With Best Regards,
Andy Shevchenko



  parent reply	other threads:[~2019-04-03 11:24 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-03  4:45 [PATCH v3 0/5] lib: rework bitmap_parselist and tests Yury Norov
2019-04-03  4:45 ` [PATCH 1/5] lib: make bitmap_parselist_user() a wrapper on bitmap_parselist() Yury Norov
2019-04-03 11:15   ` Andy Shevchenko
2019-04-03 11:17     ` Andy Shevchenko
2019-04-03 12:17       ` Rasmus Villemoes
2019-04-03 12:36         ` Andy Shevchenko
2019-04-03  4:45 ` [PATCH 2/5] lib: rework bitmap_parselist Yury Norov
2019-04-03 11:22   ` Andy Shevchenko
2019-04-03  4:45 ` [PATCH 3/5] lib/test_bitmap: switch test_bitmap_parselist to ktime_get() Yury Norov
2019-04-03  4:54 ` [PATCH v3 0/5] lib: rework bitmap_parselist and tests Yury Norov
2019-04-03 11:23   ` Andy Shevchenko
2019-04-03 11:24 ` Andy Shevchenko [this message]
  -- strict thread matches above, loose matches on Subject: below --
2019-04-03  4:40 Yury Norov
2019-04-03  4:39 Yury Norov

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