Messages in this thread | | | From | Andy Shevchenko <> | Date | Tue, 23 Jun 2020 00:42:22 +0300 | Subject | Re: arch/arm64/kernel/acpi.c:99:30: sparse: sparse: incorrect type in return expression (different address spaces) |
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On Mon, Jun 22, 2020 at 11:53 PM kernel test robot <lkp@intel.com> wrote: > > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > head: dd0d718152e4c65b173070d48ea9dfc06894c3e5 > commit: 670d0a4b10704667765f7d18f7592993d02783aa sparse: use identifiers to define address spaces > date: 4 days ago > config: arm64-randconfig-s031-20200622 (attached as .config) > compiler: aarch64-linux-gcc (GCC) 9.3.0 > reproduce: > # apt-get install sparse > # sparse version: v0.6.2-rc1-18-g27caae40-dirty > git checkout 670d0a4b10704667765f7d18f7592993d02783aa > # save the attached .config to linux build tree > make W=1 C=1 ARCH=arm64 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp@intel.com> > > > sparse warnings: (new ones prefixed by >>) > > >> arch/arm64/kernel/acpi.c:99:30: sparse: sparse: incorrect type in return expression (different address spaces) @@ expected void [noderef] __iomem * @@ got void * @@ > >> arch/arm64/kernel/acpi.c:99:30: sparse: expected void [noderef] __iomem * > arch/arm64/kernel/acpi.c:99:30: sparse: got void * > >> arch/arm64/kernel/acpi.c:107:24: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void *addr @@ got void [noderef] __iomem *map @@ > arch/arm64/kernel/acpi.c:107:24: sparse: expected void *addr > >> arch/arm64/kernel/acpi.c:107:24: sparse: got void [noderef] __iomem *map
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> 6c9a58e84e59a2 Andy Shevchenko 2017-07-18 94 void __init __iomem *__acpi_map_table(unsigned long phys, unsigned long size) > 6c9a58e84e59a2 Andy Shevchenko 2017-07-18 102 void __init __acpi_unmap_table(void __iomem *map, unsigned long size)
Seems like a new sparse fixed some sparse issues and reveals that the above was a mistake and should be reverted.
-- With Best Regards, Andy Shevchenko
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