proc: use seq_puts() everywhere
authorAlexey Dobriyan <adobriyan@gmail.com>
Tue, 5 Mar 2019 23:50:35 +0000 (15:50 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 6 Mar 2019 05:07:22 +0000 (21:07 -0800)
seq_printf() without format specifiers == faster seq_puts()

Link: http://lkml.kernel.org/r/20190114200545.GC9680@avx2
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
fs/proc/array.c
fs/proc/base.c
fs/proc/task_nommu.c

index 9d428d5..2edbb65 100644 (file)
@@ -343,28 +343,28 @@ static inline void task_seccomp(struct seq_file *m, struct task_struct *p)
 #ifdef CONFIG_SECCOMP
        seq_put_decimal_ull(m, "\nSeccomp:\t", p->seccomp.mode);
 #endif
-       seq_printf(m, "\nSpeculation_Store_Bypass:\t");
+       seq_puts(m, "\nSpeculation_Store_Bypass:\t");
        switch (arch_prctl_spec_ctrl_get(p, PR_SPEC_STORE_BYPASS)) {
        case -EINVAL:
-               seq_printf(m, "unknown");
+               seq_puts(m, "unknown");
                break;
        case PR_SPEC_NOT_AFFECTED:
-               seq_printf(m, "not vulnerable");
+               seq_puts(m, "not vulnerable");
                break;
        case PR_SPEC_PRCTL | PR_SPEC_FORCE_DISABLE:
-               seq_printf(m, "thread force mitigated");
+               seq_puts(m, "thread force mitigated");
                break;
        case PR_SPEC_PRCTL | PR_SPEC_DISABLE:
-               seq_printf(m, "thread mitigated");
+               seq_puts(m, "thread mitigated");
                break;
        case PR_SPEC_PRCTL | PR_SPEC_ENABLE:
-               seq_printf(m, "thread vulnerable");
+               seq_puts(m, "thread vulnerable");
                break;
        case PR_SPEC_DISABLE:
-               seq_printf(m, "globally mitigated");
+               seq_puts(m, "globally mitigated");
                break;
        default:
-               seq_printf(m, "vulnerable");
+               seq_puts(m, "vulnerable");
                break;
        }
        seq_putc(m, '\n');
index fcb0180..511b279 100644 (file)
@@ -456,7 +456,7 @@ static int proc_pid_schedstat(struct seq_file *m, struct pid_namespace *ns,
                              struct pid *pid, struct task_struct *task)
 {
        if (unlikely(!sched_info_on()))
-               seq_printf(m, "0 0 0\n");
+               seq_puts(m, "0 0 0\n");
        else
                seq_printf(m, "%llu %llu %lu\n",
                   (unsigned long long)task->se.sum_exec_runtime,
index 0b63d68..3b7e310 100644 (file)
@@ -178,7 +178,7 @@ static int nommu_vma_show(struct seq_file *m, struct vm_area_struct *vma)
                seq_file_path(m, file, "");
        } else if (mm && is_stack(vma)) {
                seq_pad(m, ' ');
-               seq_printf(m, "[stack]");
+               seq_puts(m, "[stack]");
        }
 
        seq_putc(m, '\n');