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Wed, 4 Feb 2026 15:03:00 +0000 (GMT) From: Claudio Imbrenda To: kvm@vger.kernel.org Cc: linux-kernel@vger.kernel.org, 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, gra@linux.ibm.com, schlameuss@linux.ibm.com, hca@linux.ibm.com, svens@linux.ibm.com, agordeev@linux.ibm.com, gor@linux.ibm.com, david@kernel.org, gerald.schaefer@linux.ibm.com Subject: [PATCH v7 04/29] s390: Move sske_frame() to a header Date: Wed, 4 Feb 2026 16:02:33 +0100 Message-ID: <20260204150259.60425-5-imbrenda@linux.ibm.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260204150259.60425-1-imbrenda@linux.ibm.com> References: <20260204150259.60425-1-imbrenda@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=UdxciaSN c=1 sm=1 tr=0 ts=69835fa9 cx=c_pps a=aDMHemPKRhS1OARIsFnwRA==:117 a=aDMHemPKRhS1OARIsFnwRA==:17 a=HzLeVaNsDn8A:10 a=VkNPw1HP01LnGYTKEx00:22 a=VnNF1IyMAAAA:8 a=cwyL-bC_1qH1TysSW8cA:9 X-Proofpoint-GUID: d8fLPXytuwIq-LUUZV29sDKVdqYH2iAQ X-Proofpoint-ORIG-GUID: d8fLPXytuwIq-LUUZV29sDKVdqYH2iAQ X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjA0MDExMyBTYWx0ZWRfX7fsom2Y+PQVk GV207boAikW8WXnpETheRyM9RS10xR5jBvezkkp4TLJ2OAxuUXLYaPPJQVRnOZqJqfIoOR3/Www S9iMPjcOcgcgywSN5OauUjPirx1r8fyLf/11nP+6SbnN1v6GUMBvSk6pzf9dHAFos8DygIAzCTC lE/7JYpFZjoaQ4j/NKnbIx1tjAzt4435++++srSamOEwKylFHjnwGea8VfUsX30Jj9EzZhlIRZG KS73cmoi6tddvf/gylaCoXAvBztgy2i4bOUQP129Emu1NcVsNUbBC88lBhsx32QX1Ehr9onsCR2 xdFGfDfdrP1Q39J6L98sU+voiFtmpJaSC0Vr6VEdyDJ64xRt/2+Am8uG0F/HRgt4wEV3twgrpJ2 lKx0GkdLjI5Y5SF02Zce6Fcu5WM55ZHjk2BRnOLUmt+63Th34U3s53IJqh76dsAElr23vSJeofF 8fnQo/osEY78OZdBQBA== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-04_04,2026-02-04_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 impostorscore=0 lowpriorityscore=0 suspectscore=0 clxscore=1015 bulkscore=0 spamscore=0 phishscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2601150000 definitions=main-2602040113 Content-Type: text/plain; charset="utf-8" Move the sske_frame() function to asm/pgtable.h, so it can be used in other modules too. Opportunistically convert the .insn opcode specification to the appropriate mnemonic. Signed-off-by: Claudio Imbrenda Reviewed-by: Christian Borntraeger Reviewed-by: Steffen Eiden Reviewed-by: Christoph Schlameuss Reviewed-by: Nina Schoetterl-Glausch --- 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/pgtabl= e.h index 8194a2b12ecf..73c30b811b98 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -1136,6 +1136,13 @@ static inline pte_t pte_mkhuge(pte_t pte) } #endif =20 +static inline unsigned long sske_frame(unsigned long addr, unsigned char s= key) +{ + asm volatile("sske %[skey],%[addr],1" + : [addr] "+a" (addr) : [skey] "d" (skey)); + return addr; +} + #define IPTE_GLOBAL 0 #define IPTE_LOCAL 1 =20 diff --git a/arch/s390/mm/pageattr.c b/arch/s390/mm/pageattr.c index d3ce04a4b248..bb29c38ae624 100644 --- a/arch/s390/mm/pageattr.c +++ b/arch/s390/mm/pageattr.c @@ -16,13 +16,6 @@ #include #include =20 -static inline unsigned long sske_frame(unsigned long addr, unsigned char s= key) -{ - 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; --=20 2.52.0