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Wed, 13 Jul 2022 12:56:45 +0000 (GMT) Received: from a46lp73.lnxne.boe (unknown [9.152.108.100]) by b06wcsmtp001.portsmouth.uk.ibm.com (Postfix) with ESMTP; Wed, 13 Jul 2022 12:56:45 +0000 (GMT) From: Steffen Eiden To: Heiko Carstens , Alexander Gordeev , Christian Borntraeger , Janosch Frank , Claudio Imbrenda , Vasily Gorbik , linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org Cc: nrb@linux.ibm.com Subject: [PATCH v2 2/3] s390/cpufeature: allow for facility bits Date: Wed, 13 Jul 2022 14:56:43 +0200 Message-Id: <20220713125644.16121-3-seiden@linux.ibm.com> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20220713125644.16121-1-seiden@linux.ibm.com> References: <20220713125644.16121-1-seiden@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: Y2MzvbT8-LccOMQDF4UxSVm8PgGVQhfn X-Proofpoint-GUID: Y2MzvbT8-LccOMQDF4UxSVm8PgGVQhfn X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.883,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-07-13_01,2022-07-13_02,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 bulkscore=0 spamscore=0 phishscore=0 malwarescore=0 mlxscore=0 mlxlogscore=999 suspectscore=0 impostorscore=0 clxscore=1015 adultscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2206140000 definitions=main-2207130049 X-Spam-Status: No, score=-2.0 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_EF,RCVD_IN_MSPIKE_H2,SPF_HELO_NONE,SPF_PASS, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Heiko Carstens Allow for facility bits to be used in cpu features. Signed-off-by: Heiko Carstens Reviewed-by: Claudio Imbrenda Reviewed-by: Steffen Eiden --- arch/s390/kernel/cpufeature.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/s390/kernel/cpufeature.c b/arch/s390/kernel/cpufeature.c index 9044c75d8b38..170894730fcc 100644 --- a/arch/s390/kernel/cpufeature.c +++ b/arch/s390/kernel/cpufeature.c @@ -8,6 +8,7 @@ enum { TYPE_HWCAP, + TYPE_FACILITY, }; struct s390_cpu_feature { @@ -34,6 +35,8 @@ int cpu_have_feature(unsigned int num) switch (feature->type) { case TYPE_HWCAP: return !!(elf_hwcap & BIT(feature->num)); + case TYPE_FACILITY: + return test_facility(feature->num); default: WARN_ON_ONCE(1); return 0; -- 2.35.3