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Tue, 03 Aug 2021 01:19:55 -0700 (PDT) X-Gm-Message-State: AOAM530nEz57+tIKPMucKCUMejZG2HB0znEF+EK8tqETFBYXIKtKSXCp CIMQpEy8FSnoE5mMAqaWnWuCfE3prX/DfEIqwo0= X-Google-Smtp-Source: ABdhPJyA1bXXzrFx4SE76Il+Ie2gcpnQZhJRqurqOCMEt2GYXSUKW6rvD0CwzARrgOPIRKAaXmiobRKLp9erhtDHkqk= X-Received: by 2002:a7b:ce10:: with SMTP id m16mr2846934wmc.75.1627978794967; Tue, 03 Aug 2021 01:19:54 -0700 (PDT) MIME-Version: 1.0 References: <202108031526.pqcyKQWp-lkp@intel.com> In-Reply-To: <202108031526.pqcyKQWp-lkp@intel.com> From: Arnd Bergmann Date: Tue, 3 Aug 2021 10:19:39 +0200 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: [linux-next:pending-fixes 192/251] drivers/soc/ixp4xx/ixp4xx-qmgr.c:149:37: sparse: sparse: dereference of noderef expression To: kernel test robot Cc: Arnd Bergmann , kbuild-all@lists.01.org, Linux Memory Management List , Linus Walleij , "moderated list:H8/300 ARCHITECTURE" , Yoshinori Sato Content-Type: text/plain; charset="UTF-8" X-Provags-ID: V03:K1:l7ndx9EytSZ8BkaIbQwPnzB2oKZHBng5kth+z774gmSpfXl84kL 7E6veN3Qq4iEJlrUebvlPg+3RlWww4DkoznfOU8zNBUMP7PP9ZSXw+1RXQjlr0bx7WW3YFd Jtyu2bYHnLXQqQU6b/uEqn7VXb0vUPLq0G8oTy9z7FH4kZdPh77CSqqxcBcYiRP540p5Wm+ vY8zqG1c3ASUWcavq15Wg== X-UI-Out-Filterresults: notjunk:1;V03:K0:8gFonX5fFXM=:7cpxuPp8IBwfmOGRKyA89B 6V/xyHm4agApd7ZtBRo2ct0JDLGSqG1w2hU67IBIL5qIxZxySoys1ouOEgHU0iM4a+9aiwD0c 3Yuatl9/X7LHG7/0CtOF/CM49jWWKmFqUZOi7F/k0JRNsxQGj11whTFq+OUdrC4LM3Bx+J6BA Tzcl3zTh1HW4pjzW9hctyrXL06dip6di6NU1xW3+TyCJ6Ve2er5QlsswhFDgP5IGDbrgIVwNZ isvlC4WMAWVDsXgvYCA12z0QP4MXci16gi+5o5WO9zIDvR0VQFaL0899UZn+DM+y5UJkg9dav EOtjBFCcJCxJsclJ2AMpdzJ0z8pNxIbfURdkMYDaE3QhTxbIFI03abpUYLLcLg4qEcIJganRF QwQtoa7BCP19ltptJzcLyUsTmgCb1RrDnUdMRzdvzUHpc7rzvqE1TPB1xIc/SmkMdShsLScVm rNz6zX0BFyOA1pL2Chubgg0l2iJO58jkMhBfoQTMy+sx5BZbABXzUm/hHfzVMy1cVCMhim3Dt +HRB4XXYuJyXtHsXNdC+TDipS8piF6Of3e4gHbrmZD2Bm44Chyj1ZZI3y7scO6uJoV0v1adDs +eW4nZ9sA/6Kx6bB1yEIV9mOb4IOmLmbqMEdca3RsM+1kJJ5EWI3QB3fALfuMbjI/X+q923hY 6bznOYlWuRe7uzf4tjggR4UBJfvvOxIWwMj8mIOZLzCcoG+0tiz//uoVQg1hOrVqSnrCpoQye fAUeuSxdae0FivEhv8k3xT8qkWJQc7ZjvaIeHr3n/lju4SXUSSsicbVFS803eNumAQqKdu9uQ 1vdSsUaWHQNSCPI5RFJ2A7BJyUMjwSFSNkAylX0zo/PvIXC7Hl5UXBHuT4BVfckFkFI3GyDY5 QQkX//RmYDdXmPRMrSZOUikrxsA0uDWaj3W13S7bBD2ym1yceMUqHwFCKSPwlfNpWlYiSiVJx p0QIa1yp5p1SIfvoUkNWHHGj4eXW2t4+HFYtVdzTxBsrTilpNYsFQ X-Rspamd-Server: rspam03 X-Rspamd-Queue-Id: 11F39D0004A7 Authentication-Results: imf15.hostedemail.com; dkim=none; dmarc=none; spf=none (imf15.hostedemail.com: domain of arnd@arndb.de has no SPF policy when checking 212.227.17.10) smtp.mailfrom=arnd@arndb.de X-Stat-Signature: qn1rqq658h6o7rx3n37wmcnx61iumfi7 X-HE-Tag: 1627978796-951548 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: On Tue, Aug 3, 2021 at 9:01 AM kernel test robot wrote: > > sparse warnings: (new ones prefixed by >>) > drivers/soc/ixp4xx/ixp4xx-qmgr.c: note: in included file (through include/linux/io.h, include/linux/irq.h, include/asm-generic/hardirq.h, ...): > >> drivers/soc/ixp4xx/ixp4xx-qmgr.c:149:37: sparse: sparse: dereference of noderef expression > drivers/soc/ixp4xx/ixp4xx-qmgr.c:153:40: sparse: sparse: dereference of noderef expression > drivers/soc/ixp4xx/ixp4xx-qmgr.c:154:40: sparse: sparse: dereference of noderef expression > arch/h8300/include/asm/io.h:44:11: sparse: sparse: cast removes address space '__iomem' of expression > drivers/soc/ixp4xx/ixp4xx-qmgr.c:174:38: sparse: sparse: dereference of noderef expression > drivers/soc/ixp4xx/ixp4xx-qmgr.c:174:44: sparse: sparse: dereference of noderef expression I've sent a fix for this bug in the soc driver, and applied it to the arm/fixes tree. > arch/h8300/include/asm/io.h:26:18: sparse: sparse: cast removes address space '__iomem' of expression > arch/h8300/include/asm/io.h:44:11: sparse: sparse: cast removes address space '__iomem' of expression > arch/h8300/include/asm/io.h:26:18: sparse: sparse: cast removes address space '__iomem' of expression > arch/h8300/include/asm/io.h:44:11: sparse: sparse: cast removes address space '__iomem' of expression This is a bug in the h8300 architecture code. I have given up fixing any of the nommu targets. If anyone wants to send the trivial fix, please go ahead. Arnd