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Re: Updated version of RD/WR FS/GS BASE patchkit

From Andi Kleen <andi@firstfloor.org>
Newsgroups linux.kernel
Subject Re: Updated version of RD/WR FS/GS BASE patchkit
Date 2016-03-22 00:10 +0100
Message-ID <rfh7s-45t-9@gated-at.bofh.it> (permalink)
References (5 earlier) <rfguK-3zz-15@gated-at.bofh.it> <rfgO6-3If-27@gated-at.bofh.it> <rfgO7-3If-37@gated-at.bofh.it> <rfgXM-3Lu-11@gated-at.bofh.it> <rfgXM-3Lu-9@gated-at.bofh.it>
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> Maybe.  Are there better options?  Could we, for example, actually try
> to preserve the state if this happens? 

We probably could, at the cost of making the context switch a bit 
more expensive.

> Would it be worth it?

I doubt it.

I expect once WR*BASE is widely used noone will bother with selectors
for 64bit programs anymore.

-Andi

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Thread

Updated version of RD/WR FS/GS BASE patchkit Andi Kleen <andi@firstfloor.org> - 2016-03-21 17:20 +0100
  Re: Updated version of RD/WR FS/GS BASE patchkit Andy Lutomirski <luto@amacapital.net> - 2016-03-21 20:30 +0100
    Re: Updated version of RD/WR FS/GS BASE patchkit Andi Kleen <andi@firstfloor.org> - 2016-03-21 20:50 +0100
      Re: Updated version of RD/WR FS/GS BASE patchkit Andy Lutomirski <luto@amacapital.net> - 2016-03-21 23:10 +0100
        Re: Updated version of RD/WR FS/GS BASE patchkit Andi Kleen <andi@firstfloor.org> - 2016-03-21 23:20 +0100
          Re: Updated version of RD/WR FS/GS BASE patchkit Andy Lutomirski <luto@amacapital.net> - 2016-03-21 23:30 +0100
            Re: Updated version of RD/WR FS/GS BASE patchkit Andi Kleen <andi@firstfloor.org> - 2016-03-21 23:50 +0100
              Re: Updated version of RD/WR FS/GS BASE patchkit Andy Lutomirski <luto@amacapital.net> - 2016-03-21 23:50 +0100
                Re: Updated version of RD/WR FS/GS BASE patchkit Andy Lutomirski <luto@amacapital.net> - 2016-03-22 00:00 +0100
                Re: Updated version of RD/WR FS/GS BASE patchkit Andi Kleen <andi@firstfloor.org> - 2016-03-22 00:10 +0100
                Re: Updated version of RD/WR FS/GS BASE patchkit Andi Kleen <andi@firstfloor.org> - 2016-03-22 00:00 +0100
  Re: Updated version of RD/WR FS/GS BASE patchkit Andi Kleen <andi@firstfloor.org> - 2016-03-21 20:30 +0100
  Re: Updated version of RD/WR FS/GS BASE patchkit Andy Lutomirski <luto@amacapital.net> - 2016-03-21 20:50 +0100

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