From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
To: riel@redhat.com
Cc: kvm@vger.kernel.org, borntraeger@de.ibm.com,
linux-kernel@vger.kernel.org, mtosatti@redhat.com,
mingo@kernel.orgm, ak@linux.intel.com, oleg@redhat.com,
masami.hiramatsu.pt@hitachi.com, fweisbec@gmail.com,
lcapitulino@redhat.com, pbonzini@redhat.com
Subject: Re: [PATCH 5/5] nohz: add stub context_tracking_is_enabled
Date: Thu, 5 Feb 2015 15:56:41 -0800 [thread overview]
Message-ID: <20150205235641.GT5370@linux.vnet.ibm.com> (raw)
In-Reply-To: <1423167832-17609-6-git-send-email-riel@redhat.com>
On Thu, Feb 05, 2015 at 03:23:52PM -0500, riel@redhat.com wrote:
> From: Rik van Riel <riel@redhat.com>
>
> With code elsewhere doing something conditional on whether or not
> context tracking is enabled, we want a stub function that tells us
> context tracking is not enabled, when CONFIG_CONTEXT_TRACKING is
> not set.
>
> Signed-off-by: Rik van Riel <riel@redhat.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
> ---
> include/linux/context_tracking_state.h | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/include/linux/context_tracking_state.h b/include/linux/context_tracking_state.h
> index f3ef027af749..90a7bab8779e 100644
> --- a/include/linux/context_tracking_state.h
> +++ b/include/linux/context_tracking_state.h
> @@ -40,6 +40,8 @@ static inline bool context_tracking_in_user(void)
> #else
> static inline bool context_tracking_in_user(void) { return false; }
> static inline bool context_tracking_active(void) { return false; }
> +static inline bool context_tracking_is_enabled(void) { return false; }
> +static inline bool context_tracking_cpu_is_enabled(void) { return false; }
> #endif /* CONFIG_CONTEXT_TRACKING */
>
> #endif
> --
> 1.9.3
>
next prev parent reply other threads:[~2015-02-05 23:56 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-05 20:23 [PATCH v2 0/5] rcu,nohz,kvm: use RCU extended quiescent state when running KVM guest riel
2015-02-05 20:23 ` [PATCH 1/5] rcu,nohz: add state parameter to context_tracking_user_enter/exit riel
2015-02-05 23:55 ` Paul E. McKenney
2015-02-06 10:15 ` Paolo Bonzini
2015-02-06 13:41 ` Paul E. McKenney
2015-02-06 17:22 ` Frederic Weisbecker
2015-02-06 18:20 ` Rik van Riel
2015-02-06 18:23 ` Frederic Weisbecker
2015-02-06 18:51 ` Rik van Riel
2015-02-06 23:15 ` Frederic Weisbecker
2015-02-07 3:53 ` Rik van Riel
2015-02-07 6:34 ` Paul E. McKenney
2015-02-07 7:14 ` Paul E. McKenney
2015-02-07 8:30 ` Frederic Weisbecker
2015-02-07 11:29 ` Rik van Riel
2015-02-07 20:06 ` Paul E. McKenney
2015-02-09 15:42 ` Rik van Riel
2015-02-05 20:23 ` [PATCH 2/5] rcu,nohz: run vtime_user_enter/exit only when state == IN_USER riel
2015-02-05 20:23 ` [PATCH 3/5] nohz,kvm: export context_tracking_user_enter/exit riel
2015-02-05 23:55 ` Paul E. McKenney
2015-02-05 20:23 ` [PATCH 4/5] kvm,rcu,nohz: use RCU extended quiescent state when running KVM guest riel
2015-02-05 23:56 ` Paul E. McKenney
2015-02-06 18:01 ` Frederic Weisbecker
2015-02-06 23:24 ` Frederic Weisbecker
2015-02-05 20:23 ` [PATCH 5/5] nohz: add stub context_tracking_is_enabled riel
2015-02-05 23:56 ` Paul E. McKenney [this message]
2015-02-06 13:46 ` [PATCH v2 0/5] rcu,nohz,kvm: use RCU extended quiescent state when running KVM guest Frederic Weisbecker
2015-02-06 13:50 ` Paolo Bonzini
2015-02-06 16:19 ` Paul E. McKenney
2015-02-06 18:09 ` Frederic Weisbecker
2015-02-06 14:56 ` Rik van Riel
2015-02-06 18:05 ` Frederic Weisbecker
2015-02-06 15:00 ` Christian Borntraeger
2015-02-06 18:20 ` Frederic Weisbecker
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