Messages in this thread | | | From | Mikael Pettersson <> | Date | Sat, 25 Jan 2014 22:08:15 +0100 | Subject | Re: [PATCH 0/5] ia64 ski emulator patches |
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Mikulas Patocka writes: > > > On Sat, 25 Jan 2014, Mikael Pettersson wrote: > > > My ski patches are in <http://user.it.uu.se/~mikpe/linux/patches/ia64/ski-1.3.2/> > > for now. I'll post the kernel patches to linux-ia64 @ vger in a few minutes. > > > > /Mikael > > Thanks for the patches. > > Isn't this subject to races? - could it lock up if the signal happens just > before the pause syscall? > > + case SSC_HALT_LIGHT: > + /* Sleep until SIGIO or SIGALRM is received; this relies on > + keyboard/ethernet input being detected via SIGIO, and the > + ITC now being emulated via setitimer() and SIGALRM. */ > + pause (); > + break; > +
Thanks for the review. You're right, the pause mustn't happen if itc_itimer_fired == 1. Let me ponder this for a while...
/Mikael
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