Messages in this thread | | | Date | Tue, 28 Feb 2012 09:24:22 +0100 | From | Ingo Molnar <> | Subject | Re: [PATCH v4 0/5] x86: Cleanup and simplify cpu-specific data |
| |
* H. Peter Anvin <hpa@zytor.com> wrote:
> >In function ‘copy_from_user’, > > inlined from ‘pktgen_if_write’ at net/core/pktgen.c:877:20: > >/home/kevin/linux/linux-2.6/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[2]: *** [net/core/pktgen.o] Error 1 > > > >On: > > > >gcc (GCC) 4.6.2 20120120 (prerelease) > > > >Is that my fault, or something else? > > > >Kevin > > > > That comes from compiling with warnings as errors. Not that someone > shouldn't look at that kind of problem.
Can probably be worked around by disabling:
CONFIG_DEBUG_STRICT_USER_COPY_CHECKS
Thanks,
Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |