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Message-ID: <ZLprDcPQYdY0ytpc@smile.fi.intel.com>
Date: Fri, 21 Jul 2023 14:25:01 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Alexander Potapenko <glider@...gle.com>
Cc: catalin.marinas@....com, will@...nel.org, pcc@...gle.com,
andreyknvl@...il.com, linux@...musvillemoes.dk,
yury.norov@...il.com, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, eugenis@...gle.com,
syednwaris@...il.com, william.gray@...aro.org
Subject: Re: [PATCH v4 4/5] arm64: mte: add a test for MTE tags compression
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
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