Re: idle process in x86 linux
Xin Tong <[email protected]>
| Newsgroups | org.kernel.vger.linux-8086 |
|---|---|
| Message-ID | <CALKntY1cNFmoBwCgKa+fnics3yhsUN6wxVvC-JxCjzsuSXumFQ@mail.gmail.com> |
ok i see. btw ELKS stands for E Linux Kernel S ? Xin On Fri, Oct 26, 2012 at 11:51 AM, David Given <[email protected]> wrote: > Xin Tong wrote: >> I am wondering why idle process is implemented as infinite loop with >> HLT instruction. how does it compare to MWAIT and MONITOR instruction >> sequence ? > > They're only available in very modern processors --- ELKS targets the > 8086, so they're not available. HLT is the only game in town. > > -- > ┌─── ｄｇ＠ｃｏｗｌａｒｋ．ｃｏｍ ───── http://www.cowlark.com ───── > │ "There does not now, nor will there ever, exist a programming > │ language in which it is the least bit hard to write bad programs." --- > │ Flon's Axiom > -- > To unsubscribe from this list: send the line "unsubscribe linux-8086" in > the body of a message to [email protected] > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-8086" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html