Messages in this thread | | | Date | Tue, 20 Mar 2001 01:37:15 -0300 (BRST) | From | Rik van Riel <> | Subject | Re: 3rd version of R/W mmap_sem patch available |
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On Mon, 19 Mar 2001, Linus Torvalds wrote: > On Mon, 19 Mar 2001, Linus Torvalds wrote: > > > > Excellent point. We used to do all the looping and re-trying, but it got > > ripped out a long time ago (and in any case, it historically didn't do > > SMP, so the old code doesn't really work). > > Actually, funnily enough, I see that the old thread-safe stuff is still > there in get_pte_kernel_slow(). The only thing that breaks it is that we > don't hold any locks, so it's only UP-safe, not SMP-safe. > > However, it definitely looks like we should just un-inline that thing > completely, and make a lot of it architecture-independent anyway.
Also, because lots of architectures seem to have exactly the same code, we might as well remove the duplicates and put them in the same place...
regards,
Rik -- Linux MM bugzilla: http://linux-mm.org/bugzilla.shtml
Virtual memory is like a game you can't win; However, without VM there's truly nothing to lose...
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