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Mon, 22 Jun 2026 16:07:40 +0000 (GMT) Received: from p-imbrenda.ehn-de.ibm.com (unknown [9.224.75.30]) by smtpav06.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 22 Jun 2026 16:07:40 +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 v5 4/9] KVM: s390: Fix code typo in gmap_protect_asce_top_level() Date: Mon, 22 Jun 2026 18:07:34 +0200 Message-ID: <20260622160739.202044-5-imbrenda@linux.ibm.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260622160739.202044-1-imbrenda@linux.ibm.com> References: <20260622160739.202044-1-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: 8bit X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=X4Ni7mTe c=1 sm=1 tr=0 ts=6a395dd1 cx=c_pps a=aDMHemPKRhS1OARIsFnwRA==:117 a=aDMHemPKRhS1OARIsFnwRA==:17 a=FelO9ux0wxsA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=iQ6ETzBq9ecOQQE5vZCe:22 a=VnNF1IyMAAAA:8 a=9Lu97PCYw38bWmK0XoMA:9 X-Proofpoint-Spam-Info: AW1haW4tMjYwNjIyMDE1NyBTYWx0ZWRfXxZ3YYxo6RQQ5 LemQ9y8thzADnFLqAbS0+m1NV1cyeWlJw10HAkwceC+nKCo2YZyTH4e2ezH0Z/ofECNMo/fvjC8 NX4+KxUuZiPRTC2HWFR09y2bCnqFrAM= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjIyMDE1NyBTYWx0ZWRfX6Cijgm0ZDY2B jknJ/dzGFfdMsj5QX/omS9WEoj76e8NyEPiBHiV00ZbO+CF+5wDC387bzHy10tMODQuvP6Ut87f SoAvICAW50PM/fhzCHNCBuW0TZCLYLV9BDslSWHzamh96t6+OW6yTloxObBsGT2OuwbdKb9zAAj bV4SYGmzDuV4ABsXnYIjQwjb+pQwOMn+04t5qCAoDC8hLg/ERTleOtDfM+XGwwhLCIUEa3EkRgU GjG+15dupzMudpV3UuCZ+NmCbGOhiygZyYng/bq4qn0BYcTLE9ZrjQbq6xt5GX1ZDkpM6ArrxRx 0V9FvCzdJ3veLXu40aDn+VYmelgR/C5aP7dLTurhJjXce2c5LFQwStW/gWuRi3Ppn6nrumRwhWj 2wYccpCXSE9Lqpd+DK6CsWqKFoexRAI8IEZFVLZZTRJtmyFjourWmo0SAGO3DtiJGCLyBouB58U jGNZ80TxAyc38b5n84Q== X-Proofpoint-ORIG-GUID: lC5ktbIEjat_17ydO0Z6W305AC1A9OfZ X-Proofpoint-GUID: lC5ktbIEjat_17ydO0Z6W305AC1A9OfZ 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=2026-06-22_03,2026-06-22_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 bulkscore=0 suspectscore=0 spamscore=0 priorityscore=1501 impostorscore=0 malwarescore=0 clxscore=1015 adultscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2606220157 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