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Message-ID: <x49iq92isds.fsf@segfault.boston.devel.redhat.com> Date: Thu, 11 Mar 2010 14:13:19 -0500 From: Jeff Moyer <jmoyer@...hat.com> To: Michael Tokarev <mjt@....msk.ru> Cc: linux-aio@...ck.org, Linux-kernel <linux-kernel@...r.kernel.org> Subject: Re: aio: compat_ioctl issue? Michael Tokarev <mjt@....msk.ru> writes: > Jeff Moyer wrote: > [] >> Yeah, whoops. I built the libaio test harness using -m32 and this patch >> works for me. Would you mind giving it a try? > > It appears to work here so far. I did not run massive i/o test suite > but it now passes basic multiple kernel unpacking in parallel tests > (before it didnt' even recognize the partition table). > > So the patch - at least basically - works. > > Except that we now have code duplication in kernel. Look at > fs/compat.c:compat_do_readv_writev() - it does the same as > compat_rw_copy_check_uvector() plus a bit more. I guess it > is a good idea to use compat_rw_copy_check_uvector() in > compat_do_readv_writev() to build the compat vectors... I'm well aware of the code duplication, thanks. You can even find another copy in net/compat.c. I'll see what I can do about it. Cheers, Jeff -- 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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