From: Pingfan Liu <piliu@redhat.com>
To: Petr Mladek <pmladek@suse.com>
Cc: Pingfan Liu <kernelfans@gmail.com>,
linux-kernel@vger.kernel.org,
Andrew Morton <akpm@linux-foundation.org>,
Wang Qing <wangqing@vivo.com>,
"Peter Zijlstra (Intel)" <peterz@infradead.org>,
Santosh Sivaraj <santosh@fossix.org>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCHv2 1/4] kernel/watchdog: trival cleanups
Date: Fri, 8 Oct 2021 12:04:18 +0800 [thread overview]
Message-ID: <YV/DQr8dO5b3K+2a@piliu.users.ipa.redhat.com> (raw)
In-Reply-To: <YVrKOUVnDFjKOiNZ@alley>
On Mon, Oct 04, 2021 at 11:32:41AM +0200, Petr Mladek wrote:
> On Thu 2021-09-23 22:09:48, Pingfan Liu wrote:
> > No reference to WATCHDOG_DEFAULT, remove it.
> >
> > And nobody cares about the return value of watchdog_nmi_enable(),
> > changing its prototype to void.
> >
> > Signed-off-by: Pingfan Liu <kernelfans@gmail.com>
> > Cc: Petr Mladek <pmladek@suse.com>
> > Cc: Andrew Morton <akpm@linux-foundation.org>
> > Cc: Wang Qing <wangqing@vivo.com>
> > Cc: "Peter Zijlstra (Intel)" <peterz@infradead.org>
> > Cc: Santosh Sivaraj <santosh@fossix.org>
> > Cc: linux-arm-kernel@lists.infradead.org
> > To: linux-kernel@vger.kernel.org
> > ---
> > include/linux/nmi.h | 2 +-
> > kernel/watchdog.c | 5 +----
> > 2 files changed, 2 insertions(+), 5 deletions(-)
> >
> > diff --git a/include/linux/nmi.h b/include/linux/nmi.h
> > index 750c7f395ca9..b7bcd63c36b4 100644
> > --- a/include/linux/nmi.h
> > +++ b/include/linux/nmi.h
> > @@ -119,7 +119,7 @@ static inline int hardlockup_detector_perf_init(void) { return 0; }
> > void watchdog_nmi_stop(void);
> > void watchdog_nmi_start(void);
> > int watchdog_nmi_probe(void);
> > -int watchdog_nmi_enable(unsigned int cpu);
> > +void watchdog_nmi_enable(unsigned int cpu);
> > void watchdog_nmi_disable(unsigned int cpu);
> >
> > /**
> > diff --git a/kernel/watchdog.c b/kernel/watchdog.c
> > index ad912511a0c0..6e6dd5f0bc3e 100644
> > --- a/kernel/watchdog.c
> > +++ b/kernel/watchdog.c
> > @@ -30,10 +30,8 @@
> > static DEFINE_MUTEX(watchdog_mutex);
> >
> > #if defined(CONFIG_HARDLOCKUP_DETECTOR) || defined(CONFIG_HAVE_NMI_WATCHDOG)
> > -# define WATCHDOG_DEFAULT (SOFT_WATCHDOG_ENABLED | NMI_WATCHDOG_ENABLED)
> > # define NMI_WATCHDOG_DEFAULT 1
> > #else
> > -# define WATCHDOG_DEFAULT (SOFT_WATCHDOG_ENABLED)
> > # define NMI_WATCHDOG_DEFAULT 0
> > #endif
> >
> > @@ -95,10 +93,9 @@ __setup("nmi_watchdog=", hardlockup_panic_setup);
> > * softlockup watchdog start and stop. The arch must select the
> > * SOFTLOCKUP_DETECTOR Kconfig.
> > */
> > -int __weak watchdog_nmi_enable(unsigned int cpu)
> > +void __weak watchdog_nmi_enable(unsigned int cpu)
>
> It is __weak. spart specific implementation is in
> arch/sparc/kernel/nmi.c. It has to be updated as well.
>
Oops, I will fix it.
Thanks,
Pingfan
next prev parent reply other threads:[~2021-10-08 4:04 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-23 14:09 [PATCHv2 0/4] watchdog_hld cleanup and async model for arm64 Pingfan Liu
2021-09-23 14:09 ` [PATCHv2 1/4] kernel/watchdog: trival cleanups Pingfan Liu
2021-10-04 9:32 ` Petr Mladek
2021-10-08 4:04 ` Pingfan Liu [this message]
2021-09-23 14:09 ` [PATCHv2 2/4] kernel/watchdog_hld: clarify the condition in hardlockup_detector_event_create() Pingfan Liu
2021-10-04 12:32 ` Petr Mladek
2021-10-08 4:11 ` Pingfan Liu
2021-09-23 14:09 ` [PATCHv2 3/4] kernel/watchdog: adapt the watchdog_hld interface for async model Pingfan Liu
2021-10-05 7:03 ` Petr Mladek
2021-10-08 5:53 ` Pingfan Liu
2021-10-08 15:10 ` Pingfan Liu
2021-09-23 14:09 ` [PATCHv2 4/4] arm64: Enable perf events based hard lockup detector Pingfan Liu
2021-09-23 14:29 ` Pingfan Liu
2021-09-24 5:18 ` Sumit Garg
2021-09-24 13:31 ` Pingfan Liu
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