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Date: Tue, 21 Feb 2012 20:16:42 +0000 From: Dave Airlie <airlied@...il.com> To: Toralf Förster <toralf.foerster@....de> Cc: dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org Subject: Re: compile error in drivers/gpu/drm/radeon/radeon_state.o 2012/2/21 Toralf Förster <toralf.foerster@....de>: > > Hello, > > the build of latest git (.config attached) failed, make ends with : > ... > CC [M] drivers/gpu/drm/radeon/radeon_cp.o > CC [M] drivers/gpu/drm/radeon/radeon_state.o > In file included from /home/tfoerste/devel/linux/arch/x86/include/asm/uaccess.h:573:0, > from include/drm/drmP.h:64, > from drivers/gpu/drm/radeon/radeon_state.c:30: > In function 'copy_from_user', > inlined from 'radeon_cp_clear' at drivers/gpu/drm/radeon/radeon_state.c:2171:6: > /home/tfoerste/devel/linux/arch/x86/include/asm/uaccess_32.h:211:26: error: call to 'copy_from_user_overflow' declared with attribute error: > copy_from_user() buffer size is not provably correct > make[4]: *** [drivers/gpu/drm/radeon/radeon_state.o] Error 1 > make[3]: *** [drivers/gpu/drm/radeon] Error 2 > make[2]: *** [drivers/gpu/drm] Error 2 > make[1]: *** [drivers/gpu] Error 2 > make: *** [drivers] Error 2 > turn off CONFIG_DEBUG_STRICT_USER_COPY_CHECKS Its a bug in gcc's checks code. Dave. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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