FreeBSD Status Reports for the Fourth Quarter of 2007

2008-02-17 Thread Brad Davis
Hi Everyone, The FreeBSD Status Reports for the Fourth Quarter of 2007 are now available at: http://www.freebsd.org/news/status/report-2007-10-2007-12.html Regards, Brad Davis ___ freebsd-hackers@freebsd.org mailing list http://lists.freebsd.org/mailm

Re: cpu stats and another interrupt question

2008-02-17 Thread Girish Venkatachalam
On 11:58:52 Feb 17, Andriy Gapon wrote: > > Come on, guys, simple yes or no would be enough for me :-) > Okay. I am going to give my free advice. You obviously know what that means. Please take it with a pinch of salt. > on 14/02/2008 22:31 Andriy Gapon said the following: > > Dear hackers, >

Re: multiple interrupts between cli and sti

2008-02-17 Thread Andriy Gapon
on 17/02/2008 18:19 Erich Dollansky said the following: > Hi, > > Andriy Gapon wrote: > > I cannot tell you if this is still the same for modern designs. > >> ... -> iret -> interrupted again > > This was the behaviour earlier. >> Is this a deterministic behavior ? Or some timings are at play?

Re: multiple interrupts between cli and sti

2008-02-17 Thread Erich Dollansky
Hi, Andriy Gapon wrote: I cannot tell you if this is still the same for modern designs. ... -> iret -> interrupted again This was the behaviour earlier. Is this a deterministic behavior ? Or some timings are at play? The PIC should never release the Interrupt signal to the CPU as long as

multiple interrupts between cli and sti

2008-02-17 Thread Andriy Gapon
The following question might more relevant to some different mailing list that is not freebsd-specific, but I think my chances are pretty high here too. I read a bunch of docs on x86, on interrupts and a spec of 8259A. And while I think I have a pretty good idea how interrupts work in x86-based sy

Re: cpu stats and another interrupt question

2008-02-17 Thread Andriy Gapon
Come on, guys, simple yes or no would be enough for me :-) on 14/02/2008 22:31 Andriy Gapon said the following: > Dear hackers, > I'd like to check with you if my understanding of some code is correct. > > If we speak about a typical older i386 system, with UP and "AT" PIC, I > think this is how