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Fri, 14 Aug 2026 11:05:06 +0000 (GMT) Received: from darkmoore (unknown [9.111.12.247]) by smtpav04.fra02v.mail.ibm.com (Postfix) with ESMTP; Fri, 14 Aug 2026 11:05:06 +0000 (GMT) Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 Date: Fri, 14 Aug 2026 13:05:01 +0200 Message-Id: Subject: Re: [PATCH v4 15/20] KVM: s390: vsie: Guard against invalid CPU address From: "Christoph Schlameuss" Cc: , "Heiko Carstens" , "Alexander Gordeev" , "Christian Borntraeger" , "Vasily Gorbik" , To: , "Christoph Schlameuss" X-Mailer: aerc 0.22.0 References: <20260812-vsie-sigpi-v4-0-f19e49666315@linux.ibm.com> <20260812-vsie-sigpi-v4-15-f19e49666315@linux.ibm.com> <20260812162330.9C0DA1F000E9@smtp.kernel.org> In-Reply-To: <20260812162330.9C0DA1F000E9@smtp.kernel.org> X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=AMtp2X5w c=1 sm=1 tr=0 ts=6a7ef667 cx=c_pps a=bLidbwmWQ0KltjZqbj+ezA==:117 a=bLidbwmWQ0KltjZqbj+ezA==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=Y2IxJ9c9Rs8Kov3niI8_:22 a=JUJgEXfSvTArizhW0REA:9 a=QEXdDO2ut3YA:10 X-Proofpoint-GUID: PddwoHeR4WMZWHCJt4sZKkSEm6XCj_Iy X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODE0MDA4MyBTYWx0ZWRfX6sJsfHAC7ZYw 05Vt6HUqnUr6jtdcGcx3n19kP8VrVP4sosiQTdpFqf7sAXAYd0qogxBkEkipDLXoY9k/XqLB0Zv Scu96PLIOS3oQd7Op1ux3paFrHyxIAMuVMPH5ov1S/JJsfH9POH7SXqaamVPRljQv6ci7D/0Zat 54ujqFRK3/VmtQEqNr7dXx65dVVdvrspWAX0JgTywka8UYnqBKxuLK71RnM17UucZRUguYYzObT Zu6Lnj2DtyU09d1Q4PSey0uedAwhaHdCGGqW9aRG5psSp81x92z2tYRWGpCWKQnj6KYyQnK6Uux R7JmhoxPtJTyYeqkjR0PJdB4kYu0FRN1G8mJ6xEfgD2vcUMLhOXDzKQub/pvuvOG+bnG0mCym0q izx1WxM31dDU3W5J0gZGTQ8X+aAmX0ke6dd7t//XEAklhJeNzjRp8LgU01ytJzxsV//x1AmRDXv abhh7OISW263RVH4omw== X-Proofpoint-ORIG-GUID: PddwoHeR4WMZWHCJt4sZKkSEm6XCj_Iy X-Proofpoint-Spam-Info: AW1haW4tMjYwODE0MDA4MyBTYWx0ZWRfX1G3ZJYVVl9I/ 9cVbB41H66tYhdtu47xOAsfvlD35PCzGIddJLUfjfIfyiZ/xE786iaTqhXXwWwkElDEQKqQzbWY xl+lPScADfvFWS0Rb+VSjgAIIHBRQxs= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-14_04,2026-08-12_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 adultscore=0 lowpriorityscore=0 clxscore=1011 priorityscore=1501 impostorscore=0 phishscore=0 spamscore=0 bulkscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608140083 I will remove this patch from the series and instead mask icpua & 0xff wher= e needed. The upper bits of icpua do not need to be checked.