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Message-ID: <8ae05080-4d9f-49eb-94f1-e2868ad6dd33@suse.de> Date: Tue, 7 Jan 2025 11:01:51 +0100 From: Thomas Zimmermann <tzimmermann@...e.de> To: kernel test robot <lkp@...el.com> Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org, Javier Martinez Canillas <javierm@...hat.com> Subject: Re: arch/m68k/include/asm/raw_io.h:39: warning: "__raw_readb" redefined See https://lore.kernel.org/lkml/20250107095912.130530-1-tzimmermann@suse.de/T/#u for a possible fix. Am 07.01.25 um 09:57 schrieb kernel test robot: > tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > head: fbfd64d25c7af3b8695201ebc85efe90be28c5a3 > commit: 7283f862bd991c8657e9bf1c02db772fcf018f13 drm: Implement DRM aperture helpers under video/ > date: 2 years, 6 months ago > config: m68k-randconfig-m031-20211009 (https://download.01.org/0day-ci/archive/20250107/202501071629.DNEswlm8-lkp@intel.com/config) > compiler: m68k-linux-gcc (GCC) 12.4.0 > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250107/202501071629.DNEswlm8-lkp@intel.com/reproduce) > > If you fix the issue in a separate patch/commit (i.e. not just a new version of > the same patch/commit), kindly add following tags > | Reported-by: kernel test robot <lkp@...el.com> > | Closes: https://lore.kernel.org/oe-kbuild-all/202501071629.DNEswlm8-lkp@intel.com/ > > All warnings (new ones prefixed by >>): > > In file included from arch/m68k/include/asm/vga.h:12, > from include/video/vga.h:22, > from include/linux/vgaarb.h:34, > from drivers/video/aperture.c:12: >>> arch/m68k/include/asm/raw_io.h:39: warning: "__raw_readb" redefined > 39 | #define __raw_readb in_8 > | > In file included from arch/m68k/include/asm/io.h:6, > from include/linux/io.h:13, > from include/linux/irq.h:20, > from include/asm-generic/hardirq.h:17, > from ./arch/m68k/include/generated/asm/hardirq.h:1, > from include/linux/hardirq.h:11, > from include/linux/interrupt.h:11, > from include/linux/trace_recursion.h:5, > from include/linux/ftrace.h:10, > from include/linux/kprobes.h:28, > from include/linux/kgdb.h:19, > from include/linux/fb.h:6, > from drivers/video/aperture.c:5: > arch/m68k/include/asm/io_no.h:16: note: this is the location of the previous definition > 16 | #define __raw_readb(addr) \ > | >>> arch/m68k/include/asm/raw_io.h:40: warning: "__raw_readw" redefined > 40 | #define __raw_readw in_be16 > | > arch/m68k/include/asm/io_no.h:18: note: this is the location of the previous definition > 18 | #define __raw_readw(addr) \ > | >>> arch/m68k/include/asm/raw_io.h:41: warning: "__raw_readl" redefined > 41 | #define __raw_readl in_be32 > | > arch/m68k/include/asm/io_no.h:20: note: this is the location of the previous definition > 20 | #define __raw_readl(addr) \ > | >>> arch/m68k/include/asm/raw_io.h:46: warning: "__raw_writeb" redefined > 46 | #define __raw_writeb(val,addr) out_8((addr),(val)) > | > arch/m68k/include/asm/io_no.h:23: note: this is the location of the previous definition > 23 | #define __raw_writeb(b, addr) (void)((*(__force volatile u8 *) (addr)) = (b)) > | >>> arch/m68k/include/asm/raw_io.h:47: warning: "__raw_writew" redefined > 47 | #define __raw_writew(val,addr) out_be16((addr),(val)) > | > arch/m68k/include/asm/io_no.h:24: note: this is the location of the previous definition > 24 | #define __raw_writew(b, addr) (void)((*(__force volatile u16 *) (addr)) = (b)) > | >>> arch/m68k/include/asm/raw_io.h:48: warning: "__raw_writel" redefined > 48 | #define __raw_writel(val,addr) out_be32((addr),(val)) > | > arch/m68k/include/asm/io_no.h:25: note: this is the location of the previous definition > 25 | #define __raw_writel(b, addr) (void)((*(__force volatile u32 *) (addr)) = (b)) > | > > > vim +/__raw_readb +39 arch/m68k/include/asm/raw_io.h > > ^1da177e4c3f41 include/asm-m68k/raw_io.h Linus Torvalds 2005-04-16 35 > ^1da177e4c3f41 include/asm-m68k/raw_io.h Linus Torvalds 2005-04-16 36 #define raw_inb in_8 > ^1da177e4c3f41 include/asm-m68k/raw_io.h Linus Torvalds 2005-04-16 37 #define raw_inw in_be16 > ^1da177e4c3f41 include/asm-m68k/raw_io.h Linus Torvalds 2005-04-16 38 #define raw_inl in_be32 > f9569e1d154079 include/asm-m68k/raw_io.h Al Viro 2007-07-20 @39 #define __raw_readb in_8 > f9569e1d154079 include/asm-m68k/raw_io.h Al Viro 2007-07-20 @40 #define __raw_readw in_be16 > f9569e1d154079 include/asm-m68k/raw_io.h Al Viro 2007-07-20 @41 #define __raw_readl in_be32 > ^1da177e4c3f41 include/asm-m68k/raw_io.h Linus Torvalds 2005-04-16 42 > ^1da177e4c3f41 include/asm-m68k/raw_io.h Linus Torvalds 2005-04-16 43 #define raw_outb(val,port) out_8((port),(val)) > ^1da177e4c3f41 include/asm-m68k/raw_io.h Linus Torvalds 2005-04-16 44 #define raw_outw(val,port) out_be16((port),(val)) > ^1da177e4c3f41 include/asm-m68k/raw_io.h Linus Torvalds 2005-04-16 45 #define raw_outl(val,port) out_be32((port),(val)) > f9569e1d154079 include/asm-m68k/raw_io.h Al Viro 2007-07-20 @46 #define __raw_writeb(val,addr) out_8((addr),(val)) > f9569e1d154079 include/asm-m68k/raw_io.h Al Viro 2007-07-20 @47 #define __raw_writew(val,addr) out_be16((addr),(val)) > f9569e1d154079 include/asm-m68k/raw_io.h Al Viro 2007-07-20 @48 #define __raw_writel(val,addr) out_be32((addr),(val)) > ^1da177e4c3f41 include/asm-m68k/raw_io.h Linus Torvalds 2005-04-16 49 > > :::::: The code at line 39 was first introduced by commit > :::::: f9569e1d1540791f664aeb935b1ec11b6e56507c m68k iomem (based on Geert's tree + memcpy_... stuff) > > :::::: TO: Al Viro <viro@....linux.org.uk> > :::::: CC: Linus Torvalds <torvalds@...dy.linux-foundation.org> > -- -- Thomas Zimmermann Graphics Driver Developer SUSE Software Solutions Germany GmbH Frankenstrasse 146, 90461 Nuernberg, Germany GF: Ivo Totev, Andrew Myers, Andrew McDonald, Boudien Moerman HRB 36809 (AG Nuernberg)
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