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[209.85.128.177]) by smtp.gmail.com with ESMTPSA id t127-20020a0dea85000000b00583b144fe51sm3141127ywe.118.2023.09.13.06.27.08 for (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 13 Sep 2023 06:27:09 -0700 (PDT) Received: by mail-yw1-f177.google.com with SMTP id 00721157ae682-58e6c05f529so68381687b3.3 for ; Wed, 13 Sep 2023 06:27:08 -0700 (PDT) X-Received: by 2002:a25:ac4b:0:b0:d81:754a:7cb8 with SMTP id r11-20020a25ac4b000000b00d81754a7cb8mr568577ybd.65.1694611628683; Wed, 13 Sep 2023 06:27:08 -0700 (PDT) MIME-Version: 1.0 References: <20230906172954.oq4vogeuco25zam7@revolver> <495849d6-1dc6-4f38-bce7-23c50df3a99f@paulmck-laptop> <20230911235452.xhtnt7ply7ayr53x@revolver> <33150b55-970c-4607-9015-af0e50e4112d@paulmck-laptop> <62936d98-6353-486e-8535-86c9f90bc7f4@paulmck-laptop> <20230913132404.wepr7l7o5qegy7hw@revolver> In-Reply-To: <20230913132404.wepr7l7o5qegy7hw@revolver> From: Geert Uytterhoeven Date: Wed, 13 Sep 2023 15:26:55 +0200 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [PATCH v2 1/2] maple_tree: Disable mas_wr_append() when other readers are possible To: "Liam R. Howlett" , Geert Uytterhoeven , paulmck@kernel.org, Andrew Morton , maple-tree@lists.infradead.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Shanker Donthineni Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Rspam-User: X-Stat-Signature: cu6nxskb8xhwy6kebkmyijrqyez17cz9 X-Rspamd-Server: rspam07 X-Rspamd-Queue-Id: 232E91A0023 X-HE-Tag: 1694611630-341359 X-HE-Meta: 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 nvmV7aPS 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hi Liam, On Wed, Sep 13, 2023 at 3:24=E2=80=AFPM Liam R. Howlett wrote: > * Geert Uytterhoeven [230913 09:15]: > > On the affected systems (RZ/A1 and RZ/A2), the WARN_ON_ONCE() did > > not trigger, until I applied Liam's patch ("init/main: Clear boot task > > idle flag"), which got rid of the "Interrupts were enabled early" warni= ng, > > and now tells me, as expected: [...] > > However, Liam's patch causes lots of warnings on the other systems... > > > > What patch? The "init/main" patch? Indeed. > What systems and what are they? Reported in the thread: https://lore.kernel.org/all/CAMuHMdWR68a49=3Dvthdp03stpvaHLS5BRa+rhVdnr7gQD= FkNotQ@mail.gmail.com Gr{oetje,eeting}s, Geert --=20 Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k= .org In personal conversations with technical people, I call myself a hacker. Bu= t when I'm talking to journalists I just say "programmer" or something like t= hat. -- Linus Torvalds