linux-kernel - Re: [PATCH v2 18/33] sched.h: Add rg_list and rdtgroup in task

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Message-ID: <alpine.DEB.2.20.1609081234510.5647@nanos>
Date:   Thu, 8 Sep 2016 12:36:27 +0200 (CEST)
From:   Thomas Gleixner <tglx@...utronix.de>
To:     Fenghua Yu <fenghua.yu@...el.com>
cc:     "H. Peter Anvin" <h.peter.anvin@...el.com>,
        Ingo Molnar <mingo@...e.hu>, Tony Luck <tony.luck@...el.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Tejun Heo <tj@...nel.org>, Borislav Petkov <bp@...e.de>,
        Stephane Eranian <eranian@...gle.com>,
        Marcelo Tosatti <mtosatti@...hat.com>,
        David Carrillo-Cisneros <davidcc@...gle.com>,
        Shaohua Li <shli@...com>,
        Ravi V Shankar <ravi.v.shankar@...el.com>,
        Vikas Shivappa <vikas.shivappa@...ux.intel.com>,
        Sai Prakhya <sai.praneeth.prakhya@...el.com>,
        linux-kernel <linux-kernel@...r.kernel.org>, x86 <x86@...nel.org>
Subject: Re: [PATCH v2 18/33] sched.h: Add rg_list and rdtgroup in
 task_struct

On Thu, 8 Sep 2016, Fenghua Yu wrote:

> From: Fenghua Yu <fenghua.yu@...el.com>
> 
> rg_list is linked list to connect to other tasks in a rdtgroup.

There is no rg_list in this patch ....
 
> The point of rdtgroup allows the task to access its own rdtgroup directly.

The point? 

Thanks,

	tglx

> Signed-off-by: Fenghua Yu <fenghua.yu@...el.com>
> Reviewed-by: Tony Luck <tony.luck@...el.com>
> ---
>  include/linux/sched.h | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/include/linux/sched.h b/include/linux/sched.h
> index 62c68e5..4b1dce0 100644
> --- a/include/linux/sched.h
> +++ b/include/linux/sched.h
> @@ -1766,6 +1766,9 @@ struct task_struct {
>  	/* cg_list protected by css_set_lock and tsk->alloc_lock */
>  	struct list_head cg_list;
>  #endif
> +#ifdef CONFIG_INTEL_RDT
> +	struct rdtgroup *rdtgroup;
> +#endif
>  #ifdef CONFIG_FUTEX
>  	struct robust_list_head __user *robust_list;
>  #ifdef CONFIG_COMPAT
> -- 
> 2.5.0
> 
>