From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <45DDCEE0.7070901@domain.hid> Date: Thu, 22 Feb 2007 18:12:00 +0100 From: Jan Kiszka MIME-Version: 1.0 Subject: Re: [Xenomai-core] possible future conflict w LOCAL_APIC References: <451C586A.7020309@domain.hid> <1159628606.5014.33.camel@domain.hid> <4522A377.5030503@domain.hid> <45DDCC6D.6020908@domain.hid> In-Reply-To: <45DDCC6D.6020908@domain.hid> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enigCA490DEEF359771E5696CF24" Sender: jan.kiszka@domain.hid List-Id: "Xenomai life and development \(bug reports, patches, discussions\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: =?ISO-8859-15?Q?Jan_R=FCdiger?= Cc: xenomai@xenomai.org This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enigCA490DEEF359771E5696CF24 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: quoted-printable Jan R=FCdiger wrote: > Hello >=20 > Few months ago there was a discussion about disabling local apic in the= > kernel. The last point in this discussion was: >=20 >> update: >> >> Ingo Molnar has voiced strong preference that the config option remain= , >> citing 60kb growth in its removal. So its probably safe for now ;-) >=20 > Now i have the problem that i cant disable the X86_UP_APIC anymore when= > building the kernel 2.6.19. Normally this isn't a problem since it is ??? There is no "select X86_UP_APIC" in kbuild that would make this mandatory= =2E > disabled during boot (my machine doesn't have APIC). But xenomai is > build with enabled APIC and thus refuses to run on the new kernel. >=20 > Is there a way to disable APIC during kernel build? or can i build > xenomai without APIC? We are running Xenomai over 2.6.19 (and later) here, mostly on APIC-less (or broken) boxes. There is no known issue. I don't see why you shouldn't be able to switch "Local APIC support on uniprocessors" off. Jan --------------enigCA490DEEF359771E5696CF24 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFF3c7gniDOoMHTA+kRAsmoAJ9pfiw37bYm+kCNlFFKgr4dMnSBYgCfTcdM czZk/wQA9aPfSNkaCcSUQnQ= =ag1J -----END PGP SIGNATURE----- --------------enigCA490DEEF359771E5696CF24--