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drivers core: Use sysfs_emit for shared_cpu_map_show and shared_cpu_list_show 

Do not indirect the bitmap printing of these shared_cpu show functions by
using cpumap_print_to_pagebuf/bitmap_print_to_pagebuf.

Use the more typical style with the vsnprintf %*pb and %*pbl extensions
directly so there is no possible mixup about the use of offset_in_page(buf)
by bitmap_print_to_pagebuf.

Signed-off-by: Joe Perches <joe@perches.com>
Link: https://lore.kernel.org/r/80457b467ab6cde13a173cfd8a4f49cd8467a7fd.1600285923.git.joe@perches.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Joe Perches 2020-09-16 13:40:44 -07:00 committed by Greg Kroah-Hartman
parent 7981593bf0
commit e015e036ae
1 changed files with 7 additions and 9 deletions
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16
drivers/base/cacheinfo.c
View File

@ -380,24 +380,22 @@ static ssize_t size_show(struct device *dev,
return sysfs_emit(buf, "%uK\n", this_leaf->size >> 10);
}
static ssize_t shared_cpumap_show_func(struct device *dev, bool list, char *buf)
static ssize_t shared_cpu_map_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
struct cacheinfo *this_leaf = dev_get_drvdata(dev);
const struct cpumask *mask = &this_leaf->shared_cpu_map;
return cpumap_print_to_pagebuf(list, buf, mask);
}
static ssize_t shared_cpu_map_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return shared_cpumap_show_func(dev, false, buf);
return sysfs_emit(buf, "%*pb\n", nr_cpu_ids, mask);
}
static ssize_t shared_cpu_list_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
return shared_cpumap_show_func(dev, true, buf);
struct cacheinfo *this_leaf = dev_get_drvdata(dev);
const struct cpumask *mask = &this_leaf->shared_cpu_map;
return sysfs_emit(buf, "%*pbl\n", nr_cpu_ids, mask);
}
static ssize_t type_show(struct device *dev,