Date: Sat, 17 Mar 2007 15:50:48 +0200 From: Kostik Belousov <kostikbel@gmail.com> To: Tijl Coosemans <tijl@ulyssis.org> Cc: Alexander Leidinger <Alexander@leidinger.net>, freebsd-emulation@freebsd.org, rdivacky@freebsd.org, jkim@freebsd.org Subject: Re: 2.6.16 for linuxulator & 7.0 release Message-ID: <20070317135048.GK80993@deviant.kiev.zoral.com.ua> In-Reply-To: <200703171429.25551.tijl@ulyssis.org> References: <20070316120038.2iizia24mc4wcw8s@webmail.leidinger.net> <200703171429.25551.tijl@ulyssis.org>
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[-- Attachment #1 --] On Sat, Mar 17, 2007 at 02:29:22PM +0100, Tijl Coosemans wrote: > On Friday 16 March 2007 12:00:38 Alexander Leidinger wrote: > > In p4 we have the futex/TLS stuff for amd64 but because of the futexes > > not completely right part it is not committed to current yet. As we > > already have the futex and TLS stuff for i386 on a similar level in > > current, I would say we should go ahead and sync the amd64 stuff. It > > is not used by default, so we don't break existing linux stuff and we > > get the benefit of more people being able to have a look at it and > > play with it. So what are your opinions, shall we give jkim@ the green > > light to MFp4 the futex/TLS stuff? > > You should let an amd64 guru review the tls part in imho. I don't think > you can remove these lines for instance: (from linuxolator-p4.diff) > > --- sys/amd64/amd64/cpu_switch.S.orig > +++ sys/amd64/amd64/cpu_switch.S > @@ -104,11 +104,12 @@ > testl $PCB_32BIT,PCB_FLAGS(%r8) > jz 1f /* no, skip over */ > > - /* Save segment selector numbers */ > - movl %ds,PCB_DS(%r8) > - movl %es,PCB_ES(%r8) > - movl %fs,PCB_FS(%r8) > [...] > - /* Restore segment selector numbers */ > - movl PCB_DS(%r8),%ds > - movl PCB_ES(%r8),%es > - movl PCB_FS(%r8),%fs In fact, I'm very interested in reading the patch (in the part related to amd64 implementation of TLS/LDT). So, URL of the diff (in applicable form) of that change is very much welcome. [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (FreeBSD) iD8DBQFF+/I4C3+MBN1Mb4gRAm+ZAJwKlNfeZ0LhIBO8S3r77p9qLvHK9wCcDsIg e7UzRY3hJ2s4iZwlsD2b9Ok= =A6bM -----END PGP SIGNATURE-----help
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