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From:   Sven Schnelle <svens@linux.ibm.com>
To:     Marcelo Tosatti <mtosatti@redhat.com>
Cc:     linux-kernel@vger.kernel.org, Nitesh Lal <nilal@redhat.com>,
        Nicolas Saenz Julienne <nsaenzju@redhat.com>,
        Frederic Weisbecker <frederic@kernel.org>,
        Christoph Lameter <cl@linux.com>,
        Juri Lelli <juri.lelli@redhat.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Alex Belits <abelits@belits.com>, Peter Xu <peterx@redhat.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Daniel Bristot de Oliveira <bristot@redhat.com>,
        Oscar Shiang <oscar0225@livemail.tw>,
        linux-s390@vger.kernel.org
Subject: Re: [patch v11 01/13] s390: add support for TIF_TASK_ISOL
References: <20220204173537.429902988@fedora.localdomain>
        <20220204173554.491925589@fedora.localdomain>
Date:   Mon, 07 Feb 2022 12:40:32 +0100
In-Reply-To: <20220204173554.491925589@fedora.localdomain> (Marcelo Tosatti's
        message of "Fri, 04 Feb 2022 14:35:38 -0300")
Message-ID: <yt9dr18ec3bj.fsf@linux.ibm.com>
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Marcelo Tosatti <mtosatti@redhat.com> writes:

> Add TIF_TASK_ISOL handling for s390.
>
> Cc: linux-s390@vger.kernel.org
> Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

Acked-by: Sven Schnelle <svens@linux.ibm.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)