On Mon, 2017-12-04 at 10:02 +0800, Dave Young wrote:
> I think 0400 is good enough for this issue.
>
> Greg, would you like to agree add an extra macro like below?
[]
> -static struct map_attribute map_type_attr = __ATTR_RO(type);
> -static struct map_attribute map_phys_addr_attr = __ATTR_RO(phys_addr);
> -static struct map_attribute map_virt_addr_attr = __ATTR_RO(virt_addr);
> -static struct map_attribute map_num_pages_attr = __ATTR_RO(num_pages);
> -static struct map_attribute map_attribute_attr = __ATTR_RO(attribute);
> +static struct map_attribute map_type_attr = __ATTR_IRUSR(type);
> +static struct map_attribute map_phys_addr_attr = __ATTR_IRUSR(phys_addr);
> +static struct map_attribute map_virt_addr_attr = __ATTR_IRUSR(virt_addr);
> +static struct map_attribute map_num_pages_attr = __ATTR_IRUSR(num_pages);
> +static struct map_attribute map_attribute_attr = __ATTR_IRUSR(attribute);
>
> /*
> * These are default attributes that are added for every memmap entry.
> --- linux-x86.orig/include/linux/sysfs.h
> +++ linux-x86/include/linux/sysfs.h
> @@ -112,6 +112,11 @@ struct attribute_group {
> .store = _store, \
> }
>
> +#define __ATTR_IRUSR(_name) {
I'd much prefer __ATTR_0400(_name)
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