From: Yury Norov <yury.norov@gmail.com>
To: Alexander Potapenko <glider@google.com>
Cc: catalin.marinas@arm.com, will@kernel.org, pcc@google.com,
andreyknvl@gmail.com, andriy.shevchenko@linux.intel.com,
aleksander.lobakin@intel.com, linux@rasmusvillemoes.dk,
alexandru.elisei@arm.com, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org, eugenis@google.com,
syednwaris@gmail.com, william.gray@linaro.org,
Arnd Bergmann <arnd@arndb.de>
Subject: Re: [PATCH v10-mte 1/7] lib/bitmap: add bitmap_{read,write}()
Date: Thu, 14 Dec 2023 11:48:50 -0800 [thread overview]
Message-ID: <ZXtcIqFhh1WMOGbG@yury-ThinkPad> (raw)
In-Reply-To: <20231214110639.2294687-2-glider@google.com>
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>
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next prev parent reply other threads:[~2023-12-14 19:49 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-14 11:06 [PATCH v10-mte 0/7] Implement MTE tag compression for swapped pages Alexander Potapenko
2023-12-14 11:06 ` [PATCH v10-mte 1/7] lib/bitmap: add bitmap_{read,write}() Alexander Potapenko
2023-12-14 19:48 ` Yury Norov [this message]
2023-12-14 11:06 ` [PATCH v10-mte 2/7] lib/test_bitmap: add tests for bitmap_{read,write}() Alexander Potapenko
2023-12-14 19:50 ` Yury Norov
2023-12-14 11:06 ` [PATCH v10-mte 3/7] lib/test_bitmap: use pr_info() for non-error messages Alexander Potapenko
2023-12-14 19:51 ` Yury Norov
2023-12-14 11:06 ` [PATCH v10-mte 4/7] arm64: mte: implement CONFIG_ARM64_MTE_COMP Alexander Potapenko
2023-12-14 20:16 ` Yury Norov
2023-12-15 15:19 ` Alexander Potapenko
2023-12-15 16:35 ` Yury Norov
2023-12-15 17:01 ` Yury Norov
2023-12-18 11:42 ` Alexander Potapenko
2023-12-18 11:45 ` Alexander Potapenko
2023-12-14 11:06 ` [PATCH v10-mte 5/7] arm64: mte: add a test for MTE tags compression Alexander Potapenko
2023-12-14 11:06 ` [PATCH v10-mte 6/7] arm64: mte: add compression support to mteswap.c Alexander Potapenko
2023-12-14 11:06 ` [PATCH v10-mte 7/7] arm64: mte: implement CONFIG_ARM64_MTE_SWAP_STATS Alexander Potapenko
2023-12-14 20:21 ` Yury Norov
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