lkml.org 
[lkml]   [2023]   [Dec]   [14]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v10-mte 1/7] lib/bitmap: add bitmap_{read,write}()
On Thu, Dec 14, 2023 at 12:06:33PM +0100, Alexander Potapenko wrote:
> From: Syed Nayyar Waris <syednwaris@gmail.com>
>
> The two new functions allow reading/writing values of length up to
> BITS_PER_LONG bits at arbitrary position in the bitmap.
>
> The code was taken from "bitops: Introduce the for_each_set_clump macro"
> by Syed Nayyar Waris with a number of changes and simplifications:
> - instead of using roundup(), which adds an unnecessary dependency
> on <linux/math.h>, we calculate space as BITS_PER_LONG-offset;
> - indentation is reduced by not using else-clauses (suggested by
> checkpatch for bitmap_get_value());
> - bitmap_get_value()/bitmap_set_value() are renamed to bitmap_read()
> and bitmap_write();
> - some redundant computations are omitted.
>
> Cc: Arnd Bergmann <arnd@arndb.de>
> Signed-off-by: Syed Nayyar Waris <syednwaris@gmail.com>
> Signed-off-by: William Breathitt Gray <william.gray@linaro.org>
> Link: https://lore.kernel.org/lkml/fe12eedf3666f4af5138de0e70b67a07c7f40338.1592224129.git.syednwaris@gmail.com/
> Suggested-by: Yury Norov <yury.norov@gmail.com>
> Co-developed-by: Alexander Potapenko <glider@google.com>
> Signed-off-by: Alexander Potapenko <glider@google.com>
> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

Acked-by: Yury Norov <yury.norov@gmail.com>

\
 
 \ /
  Last update: 2023-12-14 20:50    [W:0.746 / U:0.392 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site