diff options
Diffstat (limited to 'drivers/base/cacheinfo.c')
-rw-r--r-- | drivers/base/cacheinfo.c | 49 |
1 files changed, 28 insertions, 21 deletions
diff --git a/drivers/base/cacheinfo.c b/drivers/base/cacheinfo.c index 8d553c92cd32..bfc095956dd1 100644 --- a/drivers/base/cacheinfo.c +++ b/drivers/base/cacheinfo.c @@ -362,7 +362,7 @@ static ssize_t file_name##_show(struct device *dev, \ struct device_attribute *attr, char *buf) \ { \ struct cacheinfo *this_leaf = dev_get_drvdata(dev); \ - return sprintf(buf, "%u\n", this_leaf->object); \ + return sysfs_emit(buf, "%u\n", this_leaf->object); \ } show_one(id, id); @@ -377,44 +377,48 @@ static ssize_t size_show(struct device *dev, { struct cacheinfo *this_leaf = dev_get_drvdata(dev); - return sprintf(buf, "%uK\n", this_leaf->size >> 10); + 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, struct device_attribute *attr, char *buf) { struct cacheinfo *this_leaf = dev_get_drvdata(dev); + const char *output; switch (this_leaf->type) { case CACHE_TYPE_DATA: - return sprintf(buf, "Data\n"); + output = "Data"; + break; case CACHE_TYPE_INST: - return sprintf(buf, "Instruction\n"); + output = "Instruction"; + break; case CACHE_TYPE_UNIFIED: - return sprintf(buf, "Unified\n"); + output = "Unified"; + break; default: return -EINVAL; } + + return sysfs_emit(buf, "%s\n", output); } static ssize_t allocation_policy_show(struct device *dev, @@ -422,15 +426,18 @@ static ssize_t allocation_policy_show(struct device *dev, { struct cacheinfo *this_leaf = dev_get_drvdata(dev); unsigned int ci_attr = this_leaf->attributes; - int n = 0; + const char *output; if ((ci_attr & CACHE_READ_ALLOCATE) && (ci_attr & CACHE_WRITE_ALLOCATE)) - n = sprintf(buf, "ReadWriteAllocate\n"); + output = "ReadWriteAllocate"; else if (ci_attr & CACHE_READ_ALLOCATE) - n = sprintf(buf, "ReadAllocate\n"); + output = "ReadAllocate"; else if (ci_attr & CACHE_WRITE_ALLOCATE) - n = sprintf(buf, "WriteAllocate\n"); - return n; + output = "WriteAllocate"; + else + return 0; + + return sysfs_emit(buf, "%s\n", output); } static ssize_t write_policy_show(struct device *dev, @@ -441,9 +448,9 @@ static ssize_t write_policy_show(struct device *dev, int n = 0; if (ci_attr & CACHE_WRITE_THROUGH) - n = sprintf(buf, "WriteThrough\n"); + n = sysfs_emit(buf, "WriteThrough\n"); else if (ci_attr & CACHE_WRITE_BACK) - n = sprintf(buf, "WriteBack\n"); + n = sysfs_emit(buf, "WriteBack\n"); return n; } |