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b=VJmlyU2fMvJ0khCoy1tyTA7o/BVvGJ9czzpOxX4I4bqpdJtlryV5k/ynLUFFpZkha gMc07NJW1hL7Bub2F4I1a4k1Qz3ZGwd6bBlsuD1SSsPJYsSDtyw7f7Z/oxcgdcppbR aUabFPTvkOy2z4MQNc/SpSztOnFwEL6XHe61Nkrk= Date: Thu, 2 Apr 2026 12:26:21 -0700 From: Andrew Morton To: Mathieu Desnoyers Cc: "Ritesh Harjani (IBM)" , "Harry Yoo (Oracle)" , linuxppc-dev@lists.ozlabs.org, Harry Yoo , Nathan Chancellor , Thomas =?ISO-8859-1?Q?Wei=DFschuh?= , Michal Clapinski , Thomas Gleixner , Steven Rostedt , Masami Hiramatsu , linux-mm@kvack.org, linux-trace-kernel@vger.kernel.org, linux-kernel@vger.kernel.org, Srikar Dronamraju , Madhavan Srinivasan Subject: Re: NULL pointer dereference when booting ppc64_guest_defconfig in QEMU on -next Message-Id: <20260402122621.566be08b7d16ba082371b5a4@linux-foundation.org> In-Reply-To: <6a5f2139-0ff8-40b3-88f9-98d2ea020d6f@efficios.com> References: <20260319233745.GA769346@ax162> <7780a471-9d99-40a7-ade7-0c4594ac36c7@efficios.com> <7458d8fd-5922-4e0b-9cd5-91880282aaa3@efficios.com> <7a8faee8-0eb5-4e58-a6d5-ef711791e3f4@efficios.com> <20260320192153.759d6fec57f04fb653a0dac7@linux-foundation.org> <6a5f2139-0ff8-40b3-88f9-98d2ea020d6f@efficios.com> X-Mailer: Sylpheed 3.8.0beta1 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: ED91D14000D X-Stat-Signature: if4r5ff66upha16kkjny6gg4zaot1d69 X-Rspam-User: X-Rspamd-Server: rspam04 X-HE-Tag: 1775157983-870258 X-HE-Meta: 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 CBHE+qI7 SEvTNETEvnRFQTYb+HemQJIVK46KzY+JVpJQBsYCmbxskO4d4fY2b31F6DT9AFCIcveZj6rfjtep8c+x7Dtq4aMs9xwtmJ2aUmvLHO/Xd4daOpf20hhyqdodFhXmxS6inxAdFzh8yAZGzpbinnk0Cf9WTEn2gD/2/OG2dVQRhUGxS/K65TFWH+rGgSZC68RQHk3T5bzvNEouyIvJXv45M3pqSfyC0K6oXKqtCoU8Ojp6ij428YEwDoZro9XTPj/v1FD0ELrWCvUsqS8AD38qkozksge54uoXxhGw1xXacIBMjBuXpLargaWTJtjpwWu2xeDbCNZINP+sXFsJDtf4ybdX+lSqavnDaA/+IdlOSdsMd9FahDT0mj1uugttECUxWVZmtqjRUq4H9pr5KONo4Ni9meCZPUk25YUVO73SxrdxIjqdUx5Z8CtSWs37LcpFEM3HtaBetEYMMH0MGqaOKDJiF68x94yVnDfqY Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Thu, 2 Apr 2026 11:30:53 -0400 Mathieu Desnoyers wrote: > On 2026-03-20 22:21, Andrew Morton wrote: > > On Sat, 21 Mar 2026 06:42:41 +0530 Ritesh Harjani (IBM) wrote: > > > >> Looks like this is causing regressions in linux-next with warnings > >> similar to what Harry also pointed out. Do we have any solution for > >> this, or are we planning to hold on to this patch[1] and maybe even > >> remove it temporarily from linux-next, until this is fixed? > > > > Yes, I'll disable this patchset. > > Hi Andrew, > > I have prepared fixes for this issue. On which branch should I rebase > them ? Do you still have the HPCC series in your branch or should I > send it anew ? Cool thanks. It's best to do a full resend after -rc1 please, presumably against mainline. Show reviewers the latest version, refresh memories, etc.