linux-kernel - Re: [PATCH 1/3] sched: fix the task-group check in tg_has_rt

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1411368845.4942.2.camel@localhost.localdomain>
Date:	Mon, 22 Sep 2014 10:54:05 +0400
From:	Kirill Tkhai <tkhai@...dex.ru>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	Ingo Molnar <mingo@...hat.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Mike Galbraith <umgwanakikbuti@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/3] sched: fix the task-group check in tg_has_rt_tasks()

В Вс, 21/09/2014 в 21:33 +0200, Oleg Nesterov пишет:
> tg_has_rt_tasks() wants to find an RT task in this task_group, but
> task_rq(p)->rt.tg wrongly checks the root rt_rq.
> 
> Signed-off-by: Oleg Nesterov <oleg@...hat.com>

Reviewed-by: Kirill Tkhai <ktkhai@...allels.com>

> ---
>  kernel/sched/core.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/kernel/sched/core.c b/kernel/sched/core.c
> index eee12b3..9023f56 100644
> --- a/kernel/sched/core.c
> +++ b/kernel/sched/core.c
> @@ -7354,7 +7354,7 @@ static inline int tg_has_rt_tasks(struct task_group *tg)
>  	struct task_struct *g, *p;
>  
>  	for_each_process_thread(g, p) {
> -		if (rt_task(p) && task_rq(p)->rt.tg == tg)
> +		if (rt_task(p) && task_group(p) == tg)
>  			return 1;
>  	}
>  


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/