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From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Alexander Potapenko <glider@google.com>
Cc: catalin.marinas@arm.com, will@kernel.org, pcc@google.com,
	andreyknvl@gmail.com, linux@rasmusvillemoes.dk,
	yury.norov@gmail.com, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, eugenis@google.com,
	syednwaris@gmail.com, william.gray@linaro.org
Subject: Re: [PATCH v4 4/5] arm64: mte: add a test for MTE tags compression
Date: Fri, 21 Jul 2023 14:25:01 +0300	[thread overview]
Message-ID: <ZLprDcPQYdY0ytpc@smile.fi.intel.com> (raw)
In-Reply-To: <20230720173956.3674987-5-glider@google.com>

On Thu, Jul 20, 2023 at 07:39:55PM +0200, Alexander Potapenko wrote:
> Ensure that tag sequences containing alternating values are compressed
> to buffers of expected size and correctly decompressed afterwards.

...

> +#include <linux/bits.h>
> +#include <linux/module.h>
> +#include <linux/slab.h>
> +#include <linux/string.h>

> +#include <kunit/test.h>

Keep this in a separate group outside of linux/*.

> +#include <linux/types.h>
> +
> +#include <asm/mtecomp.h>

...

> +/* Functions exported from mtecomp.c for this test. */
> +void mte_tags_to_ranges(u8 *tags, u8 *out_tags, unsigned short *out_sizes,
> +			size_t *out_len);
> +void mte_ranges_to_tags(u8 *r_tags, unsigned short *r_sizes, size_t r_len,
> +			u8 *tags);

This is interesting. Have you run `make W=1` on this code?

-- 
With Best Regards,
Andy Shevchenko



_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

WARNING: multiple messages have this Message-ID (diff)
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Alexander Potapenko <glider@google.com>
Cc: catalin.marinas@arm.com, will@kernel.org, pcc@google.com,
	andreyknvl@gmail.com, linux@rasmusvillemoes.dk,
	yury.norov@gmail.com, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, eugenis@google.com,
	syednwaris@gmail.com, william.gray@linaro.org
Subject: Re: [PATCH v4 4/5] arm64: mte: add a test for MTE tags compression
Date: Fri, 21 Jul 2023 14:25:01 +0300	[thread overview]
Message-ID: <ZLprDcPQYdY0ytpc@smile.fi.intel.com> (raw)
In-Reply-To: <20230720173956.3674987-5-glider@google.com>

On Thu, Jul 20, 2023 at 07:39:55PM +0200, Alexander Potapenko wrote:
> Ensure that tag sequences containing alternating values are compressed
> to buffers of expected size and correctly decompressed afterwards.

...

> +#include <linux/bits.h>
> +#include <linux/module.h>
> +#include <linux/slab.h>
> +#include <linux/string.h>

> +#include <kunit/test.h>

Keep this in a separate group outside of linux/*.

> +#include <linux/types.h>
> +
> +#include <asm/mtecomp.h>

...

> +/* Functions exported from mtecomp.c for this test. */
> +void mte_tags_to_ranges(u8 *tags, u8 *out_tags, unsigned short *out_sizes,
> +			size_t *out_len);
> +void mte_ranges_to_tags(u8 *r_tags, unsigned short *r_sizes, size_t r_len,
> +			u8 *tags);

This is interesting. Have you run `make W=1` on this code?

-- 
With Best Regards,
Andy Shevchenko



  reply	other threads:[~2023-07-21 11:25 UTC|newest]

Thread overview: 61+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-20 17:39 [PATCH v4 0/5] Implement MTE tag compression for swapped pages Alexander Potapenko
2023-07-20 17:39 ` Alexander Potapenko
2023-07-20 17:39 ` [PATCH v4 1/5] lib/bitmap: add bitmap_{set,get}_value() Alexander Potapenko
2023-07-20 17:39   ` Alexander Potapenko
2023-07-23  1:57   ` Yury Norov
2023-07-23  1:57     ` Yury Norov
2023-07-23 15:38     ` Yury Norov
2023-09-22  7:48       ` Alexander Potapenko
2023-09-22  7:48         ` Alexander Potapenko
2023-07-24  8:36     ` Andy Shevchenko
2023-07-25  5:04       ` Yury Norov
2023-07-25  9:00         ` Andy Shevchenko
2023-07-26  8:08     ` Alexander Potapenko
2023-07-27  0:14       ` Yury Norov
2023-07-27  0:14         ` Yury Norov
2023-08-04 16:07         ` Alexander Potapenko
2023-08-04 16:07           ` Alexander Potapenko
2023-08-04 19:55           ` Yury Norov
2023-08-04 19:55             ` Yury Norov
2023-08-04 20:05             ` Andy Shevchenko
2023-08-04 20:05               ` Andy Shevchenko
2023-09-22  7:49             ` Alexander Potapenko
2023-09-22  7:49               ` Alexander Potapenko
2023-09-22  7:47     ` Alexander Potapenko
2023-09-22  7:47       ` Alexander Potapenko
2023-07-20 17:39 ` [PATCH v4 2/5] lib/test_bitmap: add tests for bitmap_{set,get}_value() Alexander Potapenko
2023-07-20 17:39   ` Alexander Potapenko
2023-07-23  2:29   ` Yury Norov
2023-07-23  2:29     ` Yury Norov
2023-09-22  7:57     ` Alexander Potapenko
2023-09-22  7:57       ` Alexander Potapenko
2023-09-22 13:28       ` Yury Norov
2023-09-22 13:28         ` Yury Norov
2023-09-27 12:33         ` Alexander Potapenko
2023-09-27 12:33           ` Alexander Potapenko
2023-07-20 17:39 ` [PATCH v4 3/5] arm64: mte: implement CONFIG_ARM64_MTE_COMP Alexander Potapenko
2023-07-20 17:39   ` Alexander Potapenko
2023-07-21 11:22   ` Andy Shevchenko
2023-07-21 11:22     ` Andy Shevchenko
2023-09-22  8:03     ` Alexander Potapenko
2023-09-22  8:03       ` Alexander Potapenko
2023-08-18 17:57   ` Catalin Marinas
2023-08-18 17:57     ` Catalin Marinas
2023-09-22  8:04     ` Alexander Potapenko
2023-09-22  8:04       ` Alexander Potapenko
2023-07-20 17:39 ` [PATCH v4 4/5] arm64: mte: add a test for MTE tags compression Alexander Potapenko
2023-07-20 17:39   ` Alexander Potapenko
2023-07-21 11:25   ` Andy Shevchenko [this message]
2023-07-21 11:25     ` Andy Shevchenko
2023-09-22  8:05     ` Alexander Potapenko
2023-09-22  8:05       ` Alexander Potapenko
2023-07-20 17:39 ` [PATCH v4 5/5] arm64: mte: add compression support to mteswap.c Alexander Potapenko
2023-07-20 17:39   ` Alexander Potapenko
2023-08-18 18:18   ` Catalin Marinas
2023-08-18 18:18     ` Catalin Marinas
2023-09-20 13:26     ` Alexander Potapenko
2023-09-20 13:26       ` Alexander Potapenko
2023-09-20 16:18       ` Alexander Potapenko
2023-09-20 16:18         ` Alexander Potapenko
2023-09-20 14:22     ` Alexander Potapenko
2023-09-20 14:22       ` Alexander Potapenko

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