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Wed, 10 Sep 2025 18:07:47 +0000 (GMT) From: Claudio Imbrenda To: kvm@vger.kernel.org Cc: linux-s390@vger.kernel.org, borntraeger@de.ibm.com, frankja@linux.ibm.com, nsg@linux.ibm.com, nrb@linux.ibm.com, seiden@linux.ibm.com, schlameuss@linux.ibm.com, hca@linux.ibm.com, svens@linux.ibm.com, agordeev@linux.ibm.com, david@redhat.com, gerald.schaefer@linux.ibm.com Subject: [PATCH v2 02/20] s390: Move sske_frame() to a header Date: Wed, 10 Sep 2025 20:07:28 +0200 Message-ID: <20250910180746.125776-3-imbrenda@linux.ibm.com> X-Mailer: git-send-email 2.51.0 In-Reply-To: <20250910180746.125776-1-imbrenda@linux.ibm.com> References: <20250910180746.125776-1-imbrenda@linux.ibm.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: qSI-t7E4r10Bk9HWw9B7FReI1vpsYJos X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwOTA2MDIzNSBTYWx0ZWRfXyhcx4wCqERJL i6DB/E7E5pItQiGiyt3kYvXoXgkJrd2qFVpZfTFqeLdjFYvbKUTgwaUWt6qPrWqpq6vrj5wS4h6 N9W02SlkJ7vX25s5HaCApqynenDXJpr6bUZd9NWoLfyyBmEBfFz2S0QDsE3BlRivdLp7eggbwAD EqCGlB/fmLfoC/R+nxAxEWivsJYOuJRIwIAS0m7GXySKDJsAQarwG+h4ezHbSKxI4nsOs7znyp2 9VogBTdM8udbhrz3e2nfYC5+56Clg1UODu5PqcX8HUw2qhaafQorg6JzxEN8+WH2kypSjMUR0/J +rpIp2gHogC1Ay0d3E7+IKVqPu1s0qBVPkX37X33MscEbhI29kK1i4jdd8X14Iozq5SvjGQ+L87 9v807Ddx X-Proofpoint-GUID: qSI-t7E4r10Bk9HWw9B7FReI1vpsYJos X-Authority-Analysis: v=2.4 cv=F59XdrhN c=1 sm=1 tr=0 ts=68c1be78 cx=c_pps a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17 a=yJojWOMRYYMA:10 a=VnNF1IyMAAAA:8 a=eDhhrqWlKxzBDyP51qYA:9 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1117,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-09-10_03,2025-09-10_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 clxscore=1015 impostorscore=0 bulkscore=0 adultscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2509060235 Move the sske_frame() function to asm/pgtable.h, so it can be used in other modules too. Signed-off-by: Claudio Imbrenda Reviewed-by: Christian Borntraeger Reviewed-by: Steffen Eiden Reviewed-by: Christoph Schlameuss --- arch/s390/include/asm/pgtable.h | 7 +++++++ arch/s390/mm/pageattr.c | 7 ------- 2 files changed, 7 insertions(+), 7 deletions(-) diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index 6d8bc27a366e..3c74b39bf669 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -1142,6 +1142,13 @@ static inline pte_t pte_mkhuge(pte_t pte) } #endif +static inline unsigned long sske_frame(unsigned long addr, unsigned char skey) +{ + asm volatile(".insn rrf,0xb22b0000,%[skey],%[addr],1,0" + : [addr] "+a" (addr) : [skey] "d" (skey)); + return addr; +} + #define IPTE_GLOBAL 0 #define IPTE_LOCAL 1 diff --git a/arch/s390/mm/pageattr.c b/arch/s390/mm/pageattr.c index 348e759840e7..ceeb04136cec 100644 --- a/arch/s390/mm/pageattr.c +++ b/arch/s390/mm/pageattr.c @@ -16,13 +16,6 @@ #include #include -static inline unsigned long sske_frame(unsigned long addr, unsigned char skey) -{ - asm volatile(".insn rrf,0xb22b0000,%[skey],%[addr],1,0" - : [addr] "+a" (addr) : [skey] "d" (skey)); - return addr; -} - void __storage_key_init_range(unsigned long start, unsigned long end) { unsigned long boundary, size; -- 2.51.0