Messages in this thread | | | Subject | Re: 64-syscall args on 32-bit vs syscall() | From | Benjamin Herrenschmidt <> | Date | Thu, 18 Mar 2010 09:58:40 +1100 |
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On Wed, 2010-03-17 at 13:53 -0700, H. Peter Anvin wrote: > > Yeah, whatever, I don't mind what technique you use for the > versionning, > > ultimately, if the approach works, we can look at those details :-) > We > > -do- need the macro to strip the dummy argument though, unless we > use > > a slightly different technique which is to make the __sysno argument > > itself 64-bit, which works as well I believe. > > > > It seems cleaner to do it that way (with a 64-bit sysno arg.)
Right. Now if we can get Ulrich to actually put 2 and 2 together and admit that it actually works without breaking anything existing (at least for my arch but I wouldn't be surprised if that was the case for others), I would be even happier :-)
Steve, any chance you can cook up a glibc patch to test with ? Maybe making it powerpc specific for now ?
Cheers, Ben.
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