* [PATCH] kernel/watchdog: is_hardlockup can be boolean
@ 2015-09-22 13:32 Yaowei Bai
2015-09-22 14:23 ` Aaron Tomlin
2015-09-22 15:53 ` Don Zickus
0 siblings, 2 replies; 3+ messages in thread
From: Yaowei Bai @ 2015-09-22 13:32 UTC (permalink / raw)
To: akpm, uobergfe, dzickus, atomlin, cmetcalf, fweisbec, eranian
Cc: linux-kernel
This patch makes is_hardlockup return bool to improve readability
due to this particular function only using either one or zero as its
return value.
No functional change.
Signed-off-by: Yaowei Bai <bywxiaobai@163.com>
---
kernel/watchdog.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index 64ed1c3..568ba64 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -263,15 +263,15 @@ void touch_softlockup_watchdog_sync(void)
#ifdef CONFIG_HARDLOCKUP_DETECTOR
/* watchdog detector functions */
-static int is_hardlockup(void)
+static bool is_hardlockup(void)
{
unsigned long hrint = __this_cpu_read(hrtimer_interrupts);
if (__this_cpu_read(hrtimer_interrupts_saved) == hrint)
- return 1;
+ return true;
__this_cpu_write(hrtimer_interrupts_saved, hrint);
- return 0;
+ return false;
}
#endif
--
1.9.1
^ permalink raw reply related [flat|nested] 3+ messages in thread* Re: [PATCH] kernel/watchdog: is_hardlockup can be boolean
2015-09-22 13:32 [PATCH] kernel/watchdog: is_hardlockup can be boolean Yaowei Bai
@ 2015-09-22 14:23 ` Aaron Tomlin
2015-09-22 15:53 ` Don Zickus
1 sibling, 0 replies; 3+ messages in thread
From: Aaron Tomlin @ 2015-09-22 14:23 UTC (permalink / raw)
To: Yaowei Bai
Cc: akpm, uobergfe, dzickus, cmetcalf, fweisbec, eranian,
linux-kernel
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On Tue 2015-09-22 21:32 +0800, Yaowei Bai wrote:
> This patch makes is_hardlockup return bool to improve readability
> due to this particular function only using either one or zero as its
> return value.
>
> No functional change.
>
> Signed-off-by: Yaowei Bai <bywxiaobai@163.com>
> ---
> kernel/watchdog.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/kernel/watchdog.c b/kernel/watchdog.c
> index 64ed1c3..568ba64 100644
> --- a/kernel/watchdog.c
> +++ b/kernel/watchdog.c
> @@ -263,15 +263,15 @@ void touch_softlockup_watchdog_sync(void)
>
> #ifdef CONFIG_HARDLOCKUP_DETECTOR
> /* watchdog detector functions */
> -static int is_hardlockup(void)
> +static bool is_hardlockup(void)
> {
> unsigned long hrint = __this_cpu_read(hrtimer_interrupts);
>
> if (__this_cpu_read(hrtimer_interrupts_saved) == hrint)
> - return 1;
> + return true;
>
> __this_cpu_write(hrtimer_interrupts_saved, hrint);
> - return 0;
> + return false;
> }
> #endif
>
Fair enough with regards to readability.
Reviewed-by: Aaron Tomlin <atomlin@redhat.com>
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^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [PATCH] kernel/watchdog: is_hardlockup can be boolean
2015-09-22 13:32 [PATCH] kernel/watchdog: is_hardlockup can be boolean Yaowei Bai
2015-09-22 14:23 ` Aaron Tomlin
@ 2015-09-22 15:53 ` Don Zickus
1 sibling, 0 replies; 3+ messages in thread
From: Don Zickus @ 2015-09-22 15:53 UTC (permalink / raw)
To: Yaowei Bai
Cc: akpm, uobergfe, atomlin, cmetcalf, fweisbec, eranian,
linux-kernel
On Tue, Sep 22, 2015 at 09:32:43PM +0800, Yaowei Bai wrote:
> This patch makes is_hardlockup return bool to improve readability
> due to this particular function only using either one or zero as its
> return value.
>
> No functional change.
Looks fine.
Acked-by: Don Zickus <dzickus@redhat.com>
>
> Signed-off-by: Yaowei Bai <bywxiaobai@163.com>
> ---
> kernel/watchdog.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/kernel/watchdog.c b/kernel/watchdog.c
> index 64ed1c3..568ba64 100644
> --- a/kernel/watchdog.c
> +++ b/kernel/watchdog.c
> @@ -263,15 +263,15 @@ void touch_softlockup_watchdog_sync(void)
>
> #ifdef CONFIG_HARDLOCKUP_DETECTOR
> /* watchdog detector functions */
> -static int is_hardlockup(void)
> +static bool is_hardlockup(void)
> {
> unsigned long hrint = __this_cpu_read(hrtimer_interrupts);
>
> if (__this_cpu_read(hrtimer_interrupts_saved) == hrint)
> - return 1;
> + return true;
>
> __this_cpu_write(hrtimer_interrupts_saved, hrint);
> - return 0;
> + return false;
> }
> #endif
>
> --
> 1.9.1
>
>
^ permalink raw reply [flat|nested] 3+ messages in thread
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2015-09-22 13:32 [PATCH] kernel/watchdog: is_hardlockup can be boolean Yaowei Bai
2015-09-22 14:23 ` Aaron Tomlin
2015-09-22 15:53 ` Don Zickus
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