linux-kernel - [patch v12 01/13] s390: add support for TIF_TASK

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Message-ID: <20220315153313.774280787@fedora.localdomain>
Date:   Tue, 15 Mar 2022 12:31:33 -0300
From:   Marcelo Tosatti <mtosatti@...hat.com>
To:     linux-kernel@...r.kernel.org
Cc:     Nitesh Lal <nilal@...hat.com>,
        Nicolas Saenz Julienne <nsaenzju@...hat.com>,
        Frederic Weisbecker <frederic@...nel.org>,
        Christoph Lameter <cl@...ux.com>,
        Juri Lelli <juri.lelli@...hat.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Alex Belits <abelits@...its.com>, Peter Xu <peterx@...hat.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Daniel Bristot de Oliveira <bristot@...hat.com>,
        Oscar Shiang <oscar0225@...email.tw>,
        linux-s390@...r.kernel.org, Marcelo Tosatti <mtosatti@...hat.com>
Subject: [patch v12 01/13] s390: add support for TIF_TASK_ISOL

Add TIF_TASK_ISOL handling for s390.

Cc: linux-s390@...r.kernel.org
Signed-off-by: Marcelo Tosatti <mtosatti@...hat.com>

Index: linux-2.6/arch/s390/include/asm/thread_info.h
===================================================================
--- linux-2.6.orig/arch/s390/include/asm/thread_info.h
+++ linux-2.6/arch/s390/include/asm/thread_info.h
@@ -73,6 +73,7 @@ void arch_setup_new_exec(void);
 #define TIF_ISOLATE_BP		8	/* Run process with isolated BP */
 #define TIF_ISOLATE_BP_GUEST	9	/* Run KVM guests with isolated BP */
 #define TIF_PER_TRAP		10	/* Need to handle PER trap on exit to usermode */
+#define TIF_TASK_ISOL		11	/* task isolation work pending */
 
 #define TIF_31BIT		16	/* 32bit process */
 #define TIF_MEMDIE		17	/* is terminating due to OOM killer */
@@ -97,6 +98,7 @@ void arch_setup_new_exec(void);
 #define _TIF_ISOLATE_BP		BIT(TIF_ISOLATE_BP)
 #define _TIF_ISOLATE_BP_GUEST	BIT(TIF_ISOLATE_BP_GUEST)
 #define _TIF_PER_TRAP		BIT(TIF_PER_TRAP)
+#define _TIF_TASK_ISOL		BIT(TIF_TASK_ISOL)
 
 #define _TIF_31BIT		BIT(TIF_31BIT)
 #define _TIF_SINGLE_STEP	BIT(TIF_SINGLE_STEP)