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Tue, 23 Jun 2026 15:33:32 +0000 (GMT) Received: from p-imbrenda.ehn-de.ibm.com (unknown [9.224.75.30]) by smtpav05.fra02v.mail.ibm.com (Postfix) with ESMTP; Tue, 23 Jun 2026 15:33:32 +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 v6 04/10] KVM: s390: Fix code typo in gmap_protect_asce_top_level() Date: Tue, 23 Jun 2026 17:33:25 +0200 Message-ID: <20260623153331.233784-5-imbrenda@linux.ibm.com> X-Mailer: git-send-email 2.54.0 In-Reply-To: <20260623153331.233784-1-imbrenda@linux.ibm.com> References: <20260623153331.233784-1-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=I4VVgtgg c=1 sm=1 tr=0 ts=6a3aa751 cx=c_pps a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17 a=FelO9ux0wxsA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=uAbxVGIbfxUO_5tXvNgY:22 a=VnNF1IyMAAAA:8 a=9Lu97PCYw38bWmK0XoMA:9 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjIzMDEyNiBTYWx0ZWRfX7l7TM61owP26 cZ9uLr21ZL0QWX0EJEek7jd5lGkxQk0fmyjq/fsh9muI7Dp9LCA54dqgid96HHG175uQH8aYzPT 9tjGXntEAEzTAalwXS9fCgf9wu6kPC2PvHrMaDqZzsWjq7Qmg9mZeL35BWIwJHPX3GX02fucH4v LW7DGB3+aqhY+Xcr9XEO9H0c/RuoxZdkYhphzgxeFMTUc8O/Z6NViTYWA8XdONXW9FQfxTFLXUK ckEOKkztUZ6nRaF1/L3CSZ1FN5cs+5PZkUSWI4+WQy64T/rMefh2mHd9mJACaWH/MKbLphb5giM ms9AN76IIUcPtcL2b81K77bz7qRUJ1D64/AIhEYOYa/gaxIvd99w+awR0mqLlphKwvgbKvJLtPX DgIHF1wlez7w0hIg//rCY8rgTBwMGlR6xd55wyzoTjCmm0uJjh5i5bdRx/+blEU4qJn+c0V77T4 zt56aVY6WxD1tfy+lwA== X-Proofpoint-GUID: nbE84GzJCfJjwmtwL8E-V8cGcVtV8jv5 X-Proofpoint-ORIG-GUID: nbE84GzJCfJjwmtwL8E-V8cGcVtV8jv5 X-Proofpoint-Spam-Info: AW1haW4tMjYwNjIzMDEyNiBTYWx0ZWRfX+Qg1MSpyrDUn JFt964LaqpT7scBU6ve3peFjnvw5UE3F/br6HVMVw+dYAeswz1kZdNLOcaDY0nzOLVrZEzWKmUp LBobYs++R1cEXuokVvMEgB/HY6p9HtE= 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=2026-06-23_03,2026-06-23_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 malwarescore=0 clxscore=1015 impostorscore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 priorityscore=1501 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2606230126 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