Re: [PATCH] KVM: x86:Fix warnings in debugfs.c

From: Philippe Mathieu-Daudé
Date: Tue Jul 18 2023 - 02:43:39 EST


Hi,

On 12/7/23 05:08, shijie001@xxxxxxxxxx wrote:
The following checkpatch warning is removed:
WARNING: Prefer seq_puts to seq_printf

Signed-off-by: Jie Shi <shijie001@xxxxxxxxxx>
---
 arch/x86/kvm/debugfs.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/kvm/debugfs.c b/arch/x86/kvm/debugfs.c
index ee8c4c3496ed..a3e118397aa3 100644
--- a/arch/x86/kvm/debugfs.c
+++ b/arch/x86/kvm/debugfs.c
@@ -133,20 +133,20 @@ static int kvm_mmu_rmaps_stat_show(struct seq_file *m, void *v)
     mutex_unlock(&kvm->slots_lock);

     /* index=0 counts no rmap; index=1 counts 1 rmap */
-    seq_printf(m, "Rmap_Count:\t0\t1\t");
+    seq_puts(m, "Rmap_Count:\t0\t1\t");
     for (i = 2; i < RMAP_LOG_SIZE; i++) {
         j = 1 << (i - 1);
         k = (1 << i) - 1;
         seq_printf(m, "%d-%d\t", j, k);
     }
-    seq_printf(m, "\n");
+    seq_puts(m, "\n");

If you really want to clean this, then seq_putc() is more
appropriate.


     for (i = 0; i < KVM_NR_PAGE_SIZES; i++) {
         seq_printf(m, "Level=%s:\t", kvm_lpage_str[i]);
         cur = log[i];
         for (j = 0; j < RMAP_LOG_SIZE; j++)
             seq_printf(m, "%d\t", cur[j]);
-        seq_printf(m, "\n");
+        seq_puts(m, "\n");

Ditto.

     }

     ret = 0;