Our current handling of fs/vs is really weird. The best may very well be to explicitly save and restore both fs and he as part of Andi's patchset to support wrxsbase.
On July 11, 2014 7:21:54 PM PDT, Linus Torvalds <[email protected]> wrote: >On Fri, Jul 11, 2014 at 9:29 AM, Andy Lutomirski <[email protected]> >wrote: >> As far as I can tell, these fields have been set to zero on save and >> ignored on restore since Linux was imported into git. Rename them >> '__pad1' and '__pad2' to avoid confusion and to allow them to be >> recycled some day. > >Shouldn't we actually try to save/restore gs/fs properly? Admittedly, >changing them in the signal handler would be insane, but still.. See >our context switching code with the whole segment selector vs base >save/restore code. Hmm? > > Linus -- Sent from my mobile phone. Please pardon brevity and lack of formatting. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
