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Received: from DESKTOP-S9E58SO.localdomain(mailfrom:cp0613@linux.alibaba.com fp:SMTPD_---0XEEpSZY_1794065244 cluster:ay36) by smtp.aliyun-inc.com; Sat, 07 Nov 2026 23:27:32 +0800 From: Chen Pei To: sashiko-bot@kernel.org Cc: alex@ghiti.fr, graf@amazon.com, guoren@kernel.org, kexec@lists.infradead.org, linux-mm@kvack.org, palmer@dabbelt.com, pasha.tatashin@soleen.com, pjw@kernel.org, pratyush@kernel.org, rppt@kernel.org, shuah@kernel.org Subject: Re: [PATCH v3 2/4] riscv: Add support for kexec handover (KHO) Date: Sat, 7 Nov 2026 23:27:21 +0800 Message-ID: <20261107152723.847-1-cp0613@linux.alibaba.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: References: <20261106071459.2003-1-cp0613@linux.alibaba.com> <20261106071459.2003-3-cp0613@linux.alibaba.com> X-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-16.3 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_PASS,SPF_PASS,UNPARSEABLE_RELAY, USER_AGENT_GIT,USER_IN_DEF_DKIM_WL autolearn=unavailable autolearn_force=no version=4.0.1 X-Rspamd-Server: rspam09 X-Stat-Signature: hfdnbqmo8sb8kf74ggnokehy7y6sukb8 X-Rspamd-Queue-Id: 8EB3040002 X-Rspam-User: X-HE-Tag: 1794065256-966699 X-HE-Meta: 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 a//Rjp+m 6GzmkSXXDllAdBNmn2jAZ4noQtoleWtwIopWj0WFx6zvmQBNZDu/WHklAGL0FJ5q0Rc9Ipd7OZlfr9sRn3MELetbn0oniHZapX5z0n66uXVURQSsWTVRBwJSYY82fT5RdQoU8wM5pn+hHvmbAsgdGiPmdN6LAv1CvpvybGblXkNzgzmIKq9L5KCEc+VI2eiJ+9GzDgPInpBAv9egBR8g/heNi3FWAnpVCYid44niLy5Y7hN1wIoMvOq7K1ls2ulnt4nKYrCnxshPbIpgw5HChX3018V0nFS58i0o8ftSod450G2TVzEl91P1Tow== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 > [Severity: High] > Does enabling KEXEC_HANDOVER here hit BUG_ON(!kernel_map.va_pa_offset) in > linear_mapping_pa_to_va() during early boot on UEFI systems with > CONFIG_DEBUG_VIRTUAL=y? Greg Thelen has a fix for it [1]. > [Severity: Medium] > Can kho_reserve_bootmem() fail on 64-bit RISC-V systems where DRAM starts > at or above 4 GiB? Mike Rapoport has a fix for it [2]. Both are generic KHO issues rather than riscv code, and both are already being addressed upstream, so there is nothing for this series to carry. [1] https://lore.kernel.org/all/20261023054518.3258350-1-gthelen@google.com/ [2] https://lore.kernel.org/kexec/20261104-kho-bootmem-sizing-v2-0-b0d1a834780f@kernel.org/ Best regards, Chen