linux-kernel - Re: [PATCH 6/7] RISC-V: arch/riscv/kernel

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Date:   Thu, 25 May 2017 19:05:05 +0200
From:   Pavel Machek <pavel@....cz>
To:     Palmer Dabbelt <palmer@...belt.com>
Cc:     linux-kernel@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
        olof@...om.net, albert@...ive.com
Subject: Re: [PATCH 6/7] RISC-V: arch/riscv/kernel

Hi!

> +static void ci_leaf_init(struct cacheinfo *this_leaf,
> +                         struct device_node *node,
> +                         enum cache_type type, unsigned int level)
> +{
> +        this_leaf->of_node = node;
> +        this_leaf->level = level;
> +        this_leaf->type = type;
> +        this_leaf->physical_line_partition = 1; // not a sector cache
> +        this_leaf->attributes = CACHE_WRITE_BACK | CACHE_READ_ALLOCATE | CACHE_WRITE_ALLOCATE; // TODO: add to DTS
> +}

You may want to run the patches through checkpatch. (Comment style,
long lines).

> +static int __populate_cache_leaves(unsigned int cpu)
> +{
> +	struct cpu_cacheinfo *this_cpu_ci = get_cpu_cacheinfo(cpu);
> +	struct cacheinfo *this_leaf = this_cpu_ci->info_list;
> +	struct device_node *np = of_cpu_device_node_get(cpu);
> +	int levels = 1, level = 1;
> +
> +	if (of_property_read_bool(np, "cache-size"))   ci_leaf_init(this_leaf++, np, CACHE_TYPE_UNIFIED, level);
> +	if (of_property_read_bool(np, "i-cache-size")) ci_leaf_init(this_leaf++, np, CACHE_TYPE_INST, level);
> +	if (of_property_read_bool(np, "d-cache-size")) ci_leaf_init(this_leaf++, np, CACHE_TYPE_DATA, level);


-- 
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(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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