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Fri, 3 Jul 2026 13:47:42 GMT Received: from smtprelay06.dal12v.mail.ibm.com ([172.16.1.8]) by ppma11.dal12v.mail.ibm.com (PPS) with ESMTPS id 4f2uhyrvsh-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Fri, 03 Jul 2026 13:47:42 +0000 (GMT) Received: from smtpav03.dal12v.mail.ibm.com (smtpav03.dal12v.mail.ibm.com [10.241.53.102]) by smtprelay06.dal12v.mail.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 663Dlft060490224 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Fri, 3 Jul 2026 13:47:41 GMT Received: from smtpav03.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B6ECB58061; Fri, 3 Jul 2026 13:47:41 +0000 (GMT) Received: from smtpav03.dal12v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E509458056; Fri, 3 Jul 2026 13:47:39 +0000 (GMT) Received: from li-479af74c-31f9-11b2-a85c-e4ddee11713b.ibm.com (unknown [9.61.116.196]) by smtpav03.dal12v.mail.ibm.com (Postfix) with ESMTP; Fri, 3 Jul 2026 13:47:39 +0000 (GMT) Message-ID: Subject: Re: [PATCH v13 18/33] hw/s390x/ipl: Rework s390_ipl_map_iplb_chain for certificate storage From: Eric Farman To: Zhuoying Cai , qemu-s390x@nongnu.org, qemu-devel@nongnu.org Cc: jrossi@linux.ibm.com, cohuck@redhat.com, berrange@redhat.com, richard.henderson@linaro.org, david@kernel.org, walling@linux.ibm.com, jjherne@linux.ibm.com, pasic@linux.ibm.com, borntraeger@linux.ibm.com, mjrosato@linux.ibm.com, iii@linux.ibm.com, eblake@redhat.com, armbru@redhat.com, alifm@linux.ibm.com, brueckner@linux.ibm.com, pierrick.bouvier@oss.qualcomm.com, jdaley@linux.ibm.com Date: Fri, 03 Jul 2026 09:47:39 -0400 In-Reply-To: <20260703022933.1805010-19-zycai@linux.ibm.com> References: <20260703022933.1805010-1-zycai@linux.ibm.com> <20260703022933.1805010-19-zycai@linux.ibm.com> Content-Type: text/plain; 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envelope-from=farman@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Thu, 2026-07-02 at 22:29 -0400, Zhuoying Cai wrote: > Rework s390_ipl_map_iplb_chain to always allocate maximum memory for > the IPLB chain, regardless of the number of boot devices. This space > is also used to store certificates during secure boot, providing a > safe location for certificates until the kernel reads them during boot. >=20 > Rename next_iplb to ipl_data to better reflect its multiple purposes: > storing both IPLB chains and certificate data. >=20 > Signed-off-by: Zhuoying Cai > --- > hw/s390x/ipl.c | 17 +++++++++++++---- > include/hw/s390x/ipl/qipl.h | 3 ++- > pc-bios/s390-ccw/iplb.h | 4 ++-- > 3 files changed, 17 insertions(+), 7 deletions(-) Thanks, Joy, Reviewed-by: Eric Farman