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Mon, 13 Jul 2026 15:09:04 +0000 (GMT) Received: from p-imbrenda.ibmuc.com (unknown [9.87.153.197]) by smtpav02.fra02v.mail.ibm.com (Postfix) with ESMTP; Mon, 13 Jul 2026 15:09:04 +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 Subject: [PATCH v2 7/7] KVM: s390: Return -EINTR if a signal was pending while faulting-in Date: Mon, 13 Jul 2026 17:08:57 +0200 Message-ID: <20260713150857.269954-8-imbrenda@linux.ibm.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260713150857.269954-1-imbrenda@linux.ibm.com> References: <20260713150857.269954-1-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-GUID: OLU_nqu0Nhm26139JSoWQE8gxpWuH_3k X-Proofpoint-Spam-Info: AW1haW4tMjYwNzEzMDE1MyBTYWx0ZWRfX6cISORcI76T8 W4Ir8ahb51rOSH6qwzBJsLazOBDlNyIuD4XkOUACiFSUJPQ0283a9J/ReKTlBvU+jxurH4Fn0+l +yXg8nh/9bgvXXjWcXbu0kwDHDhQU5Q= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzEzMDE1MyBTYWx0ZWRfXw3mRlRvOdXm6 rGAHjg9WZAAwEBk7mfZi3DtRfAbfeDCY8et9HFJq/yiB05S5mT4CUfmVmfeiZ7+q3XQ1VOmsKP5 hSbiL3rHiXPKtjnt0PDzJ4T83OvnhhZSmHvhk4D7Wf9EkEtYhkIjwQ0AzcNqQAKVdkNykMpEEdA +i6FL90AqdlwEcNvxX3EK1cttXn7+vLDY1VGN1Fer0Jv6o8OU2FdszjaKu4apCrcHedD9fGuy7e 5DIGvzflVxK3WX1f8mkQYRpxFcFFkZYKjlB8Jwfct+dL4ugofWYXzvAtPZHWfNaSNhZktz4y3hR qNDqANHKuC0cccfC3zjp7jG65Fm0AOxSL77OeoggfU7co4xuXR8yx01XZv5R0RzEWwSIC08xbo2 ajcjkIpTINwO1PJbGc8kgWXEW0iigoOoypZssWSMweUHh816yH8ej+K+EqheVAmNn8YFrPTLop8 RzlmgnYqGy9WQxN/0gQ== X-Authority-Analysis: v=2.4 cv=XbS5Co55 c=1 sm=1 tr=0 ts=6a54ff98 cx=c_pps a=GFwsV6G8L6GxiO2Y/PsHdQ==:117 a=GFwsV6G8L6GxiO2Y/PsHdQ==:17 a=RAioF0-LDSMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=iQ6ETzBq9ecOQQE5vZCe:22 a=VnNF1IyMAAAA:8 a=Rpd2EocR8erB28K5S3gA:9 X-Proofpoint-ORIG-GUID: OLU_nqu0Nhm26139JSoWQE8gxpWuH_3k X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-13_03,2026-07-10_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 suspectscore=0 spamscore=0 phishscore=0 lowpriorityscore=0 priorityscore=1501 adultscore=0 malwarescore=0 impostorscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607130153 If a signal is pending while trying to fault-in a page, return -EINTR instead of -EAGAIN. Signed-off-by: Claudio Imbrenda Fixes: e907ae530133 ("KVM: s390: Add helper functions for fault handling") --- arch/s390/kvm/faultin.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/s390/kvm/faultin.c b/arch/s390/kvm/faultin.c index fee80047bd94..235b9c66ce54 100644 --- a/arch/s390/kvm/faultin.c +++ b/arch/s390/kvm/faultin.c @@ -93,7 +93,7 @@ int kvm_s390_faultin_gfn(struct kvm_vcpu *vcpu, struct kvm *kvm, struct guest_fa return PGM_ADDRESSING; /* Signal pending: try again. */ if (f->pfn == KVM_PFN_ERR_SIGPENDING) - return -EAGAIN; + return -EINTR; /* Check if it's read-only memory; don't try to actually handle that case. */ if (f->pfn == KVM_PFN_ERR_RO_FAULT) return -EOPNOTSUPP; -- 2.55.0