On 03/01/13 19:42, Stephen Boyd wrote: > On 03/01/13 19:00, Randy Dunlap wrote: >> On 03/01/13 15:51, akpm@xxxxxxxxxxxxxxxxxxxx wrote: >>> The mm-of-the-moment snapshot 2013-03-01-15-50 has been uploaded to >>> >>> http://www.ozlabs.org/~akpm/mmotm/ >>> >> on i386: >> >> ERROR: "copy_from_user_overflow" [fs/binfmt_misc.ko] undefined! >> >> which I don't understand. >> lib/usercopy.o is built and building binfmt_misc.c says: >> >> CC [M] fs/binfmt_misc.o >> In file included from arch/x86/include/asm/uaccess.h:537:0, >> from include/linux/uaccess.h:5, >> from include/linux/highmem.h:8, >> from include/linux/pagemap.h:10, >> from fs/binfmt_misc.c:27: >> arch/x86/include/asm/uaccess_32.h: In function 'parse_command.part.1': >> arch/x86/include/asm/uaccess_32.h:211:26: warning: call to 'copy_from_user_overflow' declared with attribute warning: copy_from_user() buffer size is not provably correct [enabled by default] > Hm.. That's because it's part of lib and not obj, right? > > diff --git a/lib/Makefile b/lib/Makefile > index 59fabd0..4c55104 100644 > --- a/lib/Makefile > +++ b/lib/Makefile > @@ -15,7 +15,7 @@ lib-y := ctype.o string.o vsprintf.o cmdline.o \ > is_single_threaded.o plist.o decompress.o kobject_uevent.o \ > earlycpio.o percpu-refcount.o > > -lib-$(CONFIG_ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS) += usercopy.o > +obj-$(CONFIG_ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS) += usercopy.o > lib-$(CONFIG_MMU) += ioremap.o > lib-$(CONFIG_SMP) += cpumask.o > > I'm a little confused though because it is lib-y on x86 before my patch. -- Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
