Re: [PATCH v4 01/28] test printk: Add very basic struct resource tests

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On Mon, Oct 07, 2024 at 06:16:07PM -0500, Ira Weiny wrote:
> The printk tests for struct resource were stubbed out.  struct range
> printing will leverage the struct resource implementation.
> 
> To prevent regression add some basic sanity tests for struct resource.
> 
> To: Petr Mladek <pmladek@xxxxxxxx>
> To: Steven Rostedt <rostedt@xxxxxxxxxxx>
> To: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> To: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>
> To: Sergey Senozhatsky <senozhatsky@xxxxxxxxxxxx>
> Cc: linux-doc@xxxxxxxxxxxxxxx
> Signed-off-by: Ira Weiny <ira.weiny@xxxxxxxxx>

Reviewed-by: Fan Ni <fan.ni@xxxxxxxxxxx>
Tested-by: Fan Ni <fan.ni@xxxxxxxxxxx>

> 
> ---
> [lkp: ensure phys_addr_t is within limits for all arch's]
> ---
>  lib/test_printf.c | 44 ++++++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 44 insertions(+)
> 
> diff --git a/lib/test_printf.c b/lib/test_printf.c
> index 8448b6d02bd9..5afdf5efc627 100644
> --- a/lib/test_printf.c
> +++ b/lib/test_printf.c
> @@ -386,6 +386,50 @@ kernel_ptr(void)
>  static void __init
>  struct_resource(void)
>  {
> +	struct resource test_resource = {
> +		.start = 0xc0ffee00,
> +		.end = 0xc0ffee00,
> +		.flags = IORESOURCE_MEM,
> +	};
> +
> +	test("[mem 0xc0ffee00 flags 0x200]",
> +	     "%pr", &test_resource);
> +
> +	test_resource = (struct resource) {
> +		.start = 0xc0ffee,
> +		.end = 0xba5eba11,
> +		.flags = IORESOURCE_MEM,
> +	};
> +	test("[mem 0x00c0ffee-0xba5eba11 flags 0x200]",
> +	     "%pr", &test_resource);
> +
> +	test_resource = (struct resource) {
> +		.start = 0xba5eba11,
> +		.end = 0xc0ffee,
> +		.flags = IORESOURCE_MEM,
> +	};
> +	test("[mem 0xba5eba11-0x00c0ffee flags 0x200]",
> +	     "%pr", &test_resource);
> +
> +	test_resource = (struct resource) {
> +		.start = 0xba5eba11,
> +		.end = 0xba5eca11,
> +		.flags = IORESOURCE_MEM,
> +	};
> +
> +	test("[mem 0xba5eba11-0xba5eca11 flags 0x200]",
> +	     "%pr", &test_resource);
> +
> +	test_resource = (struct resource) {
> +		.start = 0xba11,
> +		.end = 0xca10,
> +		.flags = IORESOURCE_IO |
> +			 IORESOURCE_DISABLED |
> +			 IORESOURCE_UNSET,
> +	};
> +
> +	test("[io  size 0x1000 disabled]",
> +	     "%pR", &test_resource);
>  }
>  
>  static void __init
> 
> -- 
> 2.46.0
> 

-- 
Fan Ni




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