linux-kernel - [PATCH 19/32] sched.h: Add rg_list and rdtgroup in task

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Message-Id: <1468371785-53231-20-git-send-email-fenghua.yu@intel.com>
Date:	Tue, 12 Jul 2016 18:02:52 -0700
From:	"Fenghua Yu" <fenghua.yu@...el.com>
To:	"Thomas Gleixner" <tglx@...utronix.de>,
	"Ingo Molnar" <mingo@...e.hu>,
	"H. Peter Anvin" <h.peter.anvin@...el.com>,
	"Tony Luck" <tony.luck@...el.com>, "Tejun Heo" <tj@...nel.org>,
	"Borislav Petkov" <bp@...e.de>,
	"Stephane Eranian" <eranian@...gle.com>,
	"Peter Zijlstra" <peterz@...radead.org>,
	"Marcelo Tosatti" <mtosatti@...hat.com>,
	"David Carrillo-Cisneros" <davidcc@...gle.com>,
	"Ravi V Shankar" <ravi.v.shankar@...el.com>,
	"Vikas Shivappa" <vikas.shivappa@...ux.intel.com>,
	"Sai Prakhya" <sai.praneeth.prakhya@...el.com>
Cc:	"linux-kernel" <linux-kernel@...r.kernel.org>,
	"x86" <x86@...nel.org>, "Fenghua Yu" <fenghua.yu@...el.com>
Subject: [PATCH 19/32] sched.h: Add rg_list and rdtgroup in task_struct

From: Fenghua Yu <fenghua.yu@...el.com>

rg_list is linked list to connect to other tasks in a rdtgroup.

The point of rdtgroup allows the task to access its own rdtgroup directly.

Signed-off-by: Fenghua Yu <fenghua.yu@...el.com>
Reviewed-by: Tony Luck <tony.luck@...el.com>
---
 include/linux/sched.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/include/linux/sched.h b/include/linux/sched.h
index 253538f..55adf17 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1761,6 +1761,10 @@ 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 list_head rg_list;
+	struct rdtgroup *rdtgroup;
+#endif
 #ifdef CONFIG_FUTEX
 	struct robust_list_head __user *robust_list;
 #ifdef CONFIG_COMPAT
-- 
2.5.0