Messages in this thread | | | Date | Sun, 13 Apr 2008 10:45:36 +0200 | From | Ingo Molnar <> | Subject | Re: [RFC] x86: Cleanup prose of Documentation/i386/IO-APIC.txt |
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* Nick Andrew <nick@nick-andrew.net> wrote:
> I'm doing a couple of cleanups to Documentation/i386/IO-APIC.txt > and I have a problem with this line, which is supposed to compute > a sample pirq= kernel parameter: > > echo -n pirq=; echo `scanpci | grep T_L | cut -c56-` | sed 's/ /,/g' > > The 'scanpci' command used to be part of xutils and/or XFree86. > Xorg implements "Xorg -scanpci" but the output is different and it won't > run while X is running. > > Firstly I propose using the $( ) construct rather than backticks, since > it is easier to read: > > echo -n pirq=; echo $( scanpci | grep T_L | cut -c56- ) | sed 's/ /,/g' > > Inside the backtics, instead of scanpci, I could do: > > lspci -v | grep IRQ | sed -e 's/.* IRQ \(\w\+\)/\1/' > > Is this an acceptable substitution?
yeah, i guess so.
Btw., that's rather arcane text - do people still have to use pirq= boot lines to get their boxes to boot?
Ingo
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