Re: [RFC PATCH v5 1/3] printk-rb: new printk ringbuffer implementation (writer)

From: Sergey Senozhatsky
Date: Mon Dec 09 2019 - 02:42:54 EST


On (19/11/28 02:58), John Ogness wrote:
[..]
> +
> +#define _DATA_SIZE(sz_bits) (1UL << (sz_bits))
> +#define _DESCS_COUNT(ct_bits) (1U << (ct_bits))
> +#define DESC_SV_BITS (sizeof(int) * 8)
> +#define DESC_COMMITTED_MASK (1U << (DESC_SV_BITS - 1))

What does SV state for? State Value?

-ss