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Tue, 24 Mar 2026 06:54:16 -0700 (PDT) MIME-Version: 1.0 References: <20260324135026.247418-1-shivangu@linux.ibm.com> In-Reply-To: <20260324135026.247418-1-shivangu@linux.ibm.com> From: Peter Maydell Date: Tue, 24 Mar 2026 13:54:04 +0000 X-Gm-Features: AaiRm53iSpfFdhHdyGEzV49A1SHtOSZo8GapFBskve1gYJMBD04U9QFS_w-R9i8 Message-ID: Subject: Re: [PATCH] ppc/pnv: generate dtb after machine initialization is complete To: Shivang Upadhyay Cc: qemu-ppc@nongnu.org, qemu-devel@nongnu.org, npiggin@gmail.com, milesg@linux.ibm.com, Aditya Gupta , Harsh Prateek Bora , BALATON Zoltan , qemu-stable@nongnu.org, Nathan Chancellor Content-Type: text/plain; charset="UTF-8" Received-SPF: pass client-ip=2607:f8b0:4864:20::112c; envelope-from=peter.maydell@linaro.org; helo=mail-yw1-x112c.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable 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 Tue, 24 Mar 2026 at 13:51, Shivang Upadhyay wrote: > > Currently, the machine dtb is generated in pnv_init(), before all devices > are fully initialized. This can result in an incomplete dtb for the system, > as seen in bug [1]. > > Fix this by deferring dtb generation until machine initialization is complete, > using the machine_init_done_notifier hook. > > [1] https://lore.kernel.org/all/20260323231612.GA2637687@ax162/ > > Cc: Aditya Gupta > Cc: Harsh Prateek Bora > Cc: BALATON Zoltan > Cc: qemu-stable@nongnu.org > Reported-by: Nathan Chancellor > Suggested-by: Peter Maydell > Fixes: a16d4c2f162a86d ("ppc/pnv: fix dumpdtb option") > Signed-off-by: Shivang Upadhyay Reviewed-by: Peter Maydell thanks -- PMM