Re: [PATCH 1/2] bitmap_parse: support 'all' semantics

From: Andy Shevchenko
Date: Tue Apr 20 2021 - 06:18:03 EST


On Mon, Apr 19, 2021 at 05:01:30PM -0700, Yury Norov wrote:
> RCU code supports an 'all' group as a special case when parsing
> rcu_nocbs parameter. This patch moves the 'all' support to the core
> bitmap_parse code, so that all bitmap users can enjoy this extension.
>
> Moving 'all' parsing to a bitmap_parse level, also allows users to
> pass patterns together with 'all' in regular group:pattern format

...

> {0, "0-31:1/3,1-31:1/3,2-31:1/3", &exp1[8 * step], 32, 0},
> {0, "1-10:8/12,8-31:24/29,0-31:0/3", &exp1[9 * step], 32, 0},
>
> + {0, "all", &exp1[8 * step], 32, 0},
> + {0, "0, 1, all, ", &exp1[8 * step], 32, 0},
> + {0, "all:1/2", &exp1[4 * step], 32, 0},
> + {0, "ALL:1/2", &exp1[4 * step], 32, 0},

> + {-EINVAL, "al", NULL, 8, 0},
> + {-EINVAL, "alll", NULL, 8, 0},
> +

Looking at the below hunk it seems like the two above should be actually placed
there.

> {-EINVAL, "-1", NULL, 8, 0},
> {-EINVAL, "-0", NULL, 8, 0},
> {-EINVAL, "10-1", NULL, 8, 0},
> @@ -384,7 +391,6 @@ static const struct test_bitmap_parselist parselist_tests[] __initconst = {
> {-EINVAL, "a-31:10/1", NULL, 8, 0},
> {-EINVAL, "0-31:a/1", NULL, 8, 0},
> {-EINVAL, "0-\n", NULL, 8, 0},
> -

Otherwise this change doesn't belong to the series.

--
With Best Regards,
Andy Shevchenko