Messages in this thread | | | Date | Wed, 9 Dec 2009 19:07:39 +0900 | Subject | Re: [Patch] i386: remove 'usedac' kernel parameter | From | FUJITA Tomonori <> |
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On Wed, 9 Dec 2009 01:25:48 -0500 Amerigo Wang <amwang@redhat.com> wrote:
> It is scheduled to be removed. > > Signed-off-by: WANG Cong <amwang@redhat.com> > Cc: Glauber Costa <gcosta@redhat.com> > Cc: Ingo Molnar <mingo@elte.hu> > > --- > diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt > index 591e944..8c895f6 100644 > --- a/Documentation/feature-removal-schedule.txt > +++ b/Documentation/feature-removal-schedule.txt > @@ -291,13 +291,6 @@ Who: Michael Buesch <mb@bu3sch.de> > > --------------------------- > > -What: usedac i386 kernel parameter > -When: 2.6.27 > -Why: replaced by allowdac and no dac combination > -Who: Glauber Costa <gcosta@redhat.com> > - > ---------------------------- > -
I'm not sure about the above description, I'm not against removing this option though.
IIUC, the usedac option enables us to stop via_no_dac() setting forbid_dac to 1. That is, someone who uses VIA bridges can use DAC with this option even if some of VIA bridges seem to be broken about DAC. I can't see how we can do the same thing with "allowdac" and "nodac" combination.
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