[PATCH] mm/kfence: Use str_write_read() helper in get_access_type()

[PATCH] mm/kfence: Use str_write_read() helper in get_access_type()

[Thorsten Blum]

Remove hard-coded strings by using the str_write_read() helper function.

Suggested-by: Anshuman Khandual <anshuman.khandual@arm.com>
Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
---
 mm/kfence/kfence_test.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/mm/kfence/kfence_test.c b/mm/kfence/kfence_test.c
index f65fb182466d..00034e37bc9f 100644
--- a/mm/kfence/kfence_test.c
+++ b/mm/kfence/kfence_test.c
@@ -20,6 +20,7 @@
 #include <linux/slab.h>
 #include <linux/spinlock.h>
 #include <linux/string.h>
+#include <linux/string_choices.h>
 #include <linux/tracepoint.h>
 #include <trace/events/printk.h>
 
@@ -88,7 +89,7 @@ struct expect_report {
 
 static const char *get_access_type(const struct expect_report *r)
 {
-	return r->is_write ? "write" : "read";
+	return str_write_read(r->is_write);
 }
 
 /* Check observed report matches information in @r. */
-- 
2.47.1

Re: [PATCH] mm/kfence: Use str_write_read() helper in get_access_type()

[Marco Elver]

On Wed, 15 Jan 2025 at 10:03, Thorsten Blum <thorsten.blum@linux.dev> wrote:
>
> Remove hard-coded strings by using the str_write_read() helper function.
>
> Suggested-by: Anshuman Khandual <anshuman.khandual@arm.com>
> Signed-off-by: Thorsten Blum <thorsten.blum@linux.dev>
> ---
>  mm/kfence/kfence_test.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)

Why only change the one in kfence_test.c?

$ grep '"read"' mm/kfence/*
mm/kfence/kfence_test.c:        return r->is_write ? "write" : "read";
mm/kfence/report.c:     return is_write ? "write" : "read";

> diff --git a/mm/kfence/kfence_test.c b/mm/kfence/kfence_test.c
> index f65fb182466d..00034e37bc9f 100644
> --- a/mm/kfence/kfence_test.c
> +++ b/mm/kfence/kfence_test.c
> @@ -20,6 +20,7 @@
>  #include <linux/slab.h>
>  #include <linux/spinlock.h>
>  #include <linux/string.h>
> +#include <linux/string_choices.h>
>  #include <linux/tracepoint.h>
>  #include <trace/events/printk.h>
>
> @@ -88,7 +89,7 @@ struct expect_report {
>
>  static const char *get_access_type(const struct expect_report *r)
>  {
> -       return r->is_write ? "write" : "read";
> +       return str_write_read(r->is_write);
>  }
>
>  /* Check observed report matches information in @r. */
> --
> 2.47.1
>
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