Messages in this thread | | | Date | Wed, 24 Feb 1999 13:08:46 +0100 (CET) | From | Geert Uytterhoeven <> | Subject | Re: 2.2.2 kernel is out |
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On 24 Feb 1999, H. Peter Anvin wrote: > Followup to: <Pine.LNX.4.05.9902232346280.10520-100000@laser.random> > By author: Andrea Arcangeli <andrea@e-mind.com> > In newsgroup: linux.dev.kernel > > > > The only _unluky_ thing :( is that my first fix (the one in 2.2.2) has > > still a little window for a similar race again in down_interruptible() and > > down_trylock(), and I should have fixed it completly only in the last > > days. You can find my patch against 2.2.2-pre5 (or 2.2.2) on the list. The > > new patch is quite simple and the race won't have the time impact somebody > > in the meantime but it's still not perfect (even if closer). Excuse me. > > > > So I suggest all no-x86 arch developers to apply my latest semaphore patch > > before starting fixing semaphores. > > > > Also I don't know if it worth to move the semaphore-helper.h to > > include/linux. Doing that (using the spinlock everywhere) and so following > > the x86 semaphore implementation, it would be semi-trivial for no-x86 > > maintainers to fix their trees without having to think (too much ;) about > > the races. > > I guess it might have been preferrable to make a prepatch, ALERT all > the non-x86 arch maintainers, and give them a day or two to cough up > the patches? Obviously a timeout is necessary, but it'd make sense, I > believe.
Exactly what I had in mind!
Greetings,
Geert
-- Geert Uytterhoeven Geert.Uytterhoeven@cs.kuleuven.ac.be Wavelets, Linux/{m68k~Amiga,PPC~CHRP} http://www.cs.kuleuven.ac.be/~geert/ Department of Computer Science -- Katholieke Universiteit Leuven -- Belgium
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