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Fri, 19 Jun 2026 15:51:59 +0000 (GMT) Received: from p-imbrenda.ibmuc.com (unknown [9.111.54.29]) by smtpav04.fra02v.mail.ibm.com (Postfix) with ESMTP; Fri, 19 Jun 2026 15:51:59 +0000 (GMT) From: Claudio Imbrenda To: linux-kernel@vger.kernel.org Cc: kvm@vger.kernel.org, linux-s390@vger.kernel.org, borntraeger@de.ibm.com, frankja@linux.ibm.com, david@kernel.org, seiden@linux.ibm.com, nrb@linux.ibm.com, schlameuss@linux.ibm.com, gra@linux.ibm.com, hca@linux.ibm.com, gerald.schaefer@linux.ibm.com, gor@linux.ibm.com, agordeev@linux.ibm.com, svens@linux.ibm.com Subject: [PATCH v4 4/7] KVM: s390: Fix code typo in gmap_protect_asce_top_level() Date: Fri, 19 Jun 2026 17:51:51 +0200 Message-ID: <20260619155154.307572-5-imbrenda@linux.ibm.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260619155154.307572-1-imbrenda@linux.ibm.com> References: <20260619155154.307572-1-imbrenda@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjE5MDE1MCBTYWx0ZWRfX2OIcODU+V/0K l2xb4eeXSq4MAcKQsCRG0jnyTt/t+tXCO779As0YGyasV3HKWlR8tFc0IPaDpMKeAEvxzb2kSrg x6GXtrU/vL73hMrEDfzPZqkQ3ZBspRMG8sUvSWeE0RQo0bGTD366dQOgGJuvgNoVBYb07NyZ5zF NPHBMbRPDQ0oX5JqmcqRbVdRUIAU5cTm0u4euSG0xT8ntazuaJOWKYZmqhGDOkr/v3jtsEeI1aW XUb3bSD2lvPTL21BVQJjorr+gcIxKk1sE+T1PuLxhiSGkOMtFJWSXbzUI/rIEgEM0kVYqoYXPlW HtEUdoqRTYtk+G8VLrFMqBOMeAdbgUPdXWTx08+MoPCUcIQ0pZ9eaqVIgsn/l9Zp/k7GNhumttW +AggBCRQ3rboRRWWtnUoLSt6us1e5xb4Cxaw0katcfh+GSBDHbkKehlc+rmLKv8aiK/ch/BY7o1 znv98SYEdDAc91KDqkA== X-Proofpoint-GUID: 04Ix9WP7OL407QdGw4UgV06li_sA0nta X-Proofpoint-Spam-Info: AW1haW4tMjYwNjE5MDE1MCBTYWx0ZWRfX/vI2fEta6M5P ZKIz0YdnT1zwtI+Ox30xeHOSbi5am4hGA0KH1rEmiwWjsjtnbHQw0Oizv7RnHZqZU52Ut1Yryph cBBkV3N3QUw0+pRCacLdQ5y8W1BdjKw= X-Proofpoint-ORIG-GUID: 04Ix9WP7OL407QdGw4UgV06li_sA0nta X-Authority-Analysis: v=2.4 cv=auGCzyZV c=1 sm=1 tr=0 ts=6a3565a5 cx=c_pps a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17 a=FelO9ux0wxsA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=Y2IxJ9c9Rs8Kov3niI8_:22 a=VnNF1IyMAAAA:8 a=9Lu97PCYw38bWmK0XoMA:9 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-19_03,2026-06-18_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 clxscore=1015 priorityscore=1501 suspectscore=0 impostorscore=0 spamscore=0 lowpriorityscore=0 adultscore=0 malwarescore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2606190150 The correct length to pass to kvm_s390_get_guest_pages() is asce.tl + 1, not asce.dt + 1. It was a typo, which, due to fortuitous circumstances, did not cause bugs. It should nonetheless be fixed. Signed-off-by: Claudio Imbrenda Fixes: e5f98a6899bd ("KVM: s390: Add some helper functions needed for vSIE") --- arch/s390/kvm/gmap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/s390/kvm/gmap.c b/arch/s390/kvm/gmap.c index 3192f610f696..e6e786811db8 100644 --- a/arch/s390/kvm/gmap.c +++ b/arch/s390/kvm/gmap.c @@ -1262,7 +1262,7 @@ static int gmap_protect_asce_top_level(struct kvm_s390_mmu_cache *mc, struct gma /* Pairs with the smp_wmb() in kvm_mmu_invalidate_end(). */ smp_rmb(); - rc = kvm_s390_get_guest_pages(sg->kvm, context.f, asce.rsto, asce.dt + 1, false); + rc = kvm_s390_get_guest_pages(sg->kvm, context.f, asce.rsto, asce.tl + 1, false); if (rc > 0) rc = -EFAULT; if (!rc) -- 2.54.0