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Mon, 7 Feb 2022 11:40:32 +0000 (GMT) Received: from tuxmaker.linux.ibm.com (unknown [9.152.85.9]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTPS; Mon, 7 Feb 2022 11:40:32 +0000 (GMT) From: Sven Schnelle To: Marcelo Tosatti Cc: linux-kernel@vger.kernel.org, Nitesh Lal , Nicolas Saenz Julienne , Frederic Weisbecker , Christoph Lameter , Juri Lelli , Peter Zijlstra , Alex Belits , Peter Xu , Thomas Gleixner , Daniel Bristot de Oliveira , Oscar Shiang , 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: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-TM-AS-GCONF: 00 X-Proofpoint-GUID: cdSfjdKU77sRKrlYxT3oyA8rYXlmk4TE X-Proofpoint-ORIG-GUID: bTTjUIYd2LzLfoOoHH7-L9S_VOucRtDI X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.816,Hydra:6.0.425,FMLib:17.11.62.513 definitions=2022-02-07_04,2022-02-07_01,2021-12-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 mlxscore=0 malwarescore=0 priorityscore=1501 lowpriorityscore=0 bulkscore=0 mlxlogscore=883 clxscore=1011 phishscore=0 impostorscore=0 adultscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2201110000 definitions=main-2202070075 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Marcelo Tosatti writes: > Add TIF_TASK_ISOL handling for s390. > > Cc: linux-s390@vger.kernel.org > Signed-off-by: Marcelo Tosatti Acked-by: Sven Schnelle > 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)