From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <4726FC9B.1070806@domain.hid> Date: Tue, 30 Oct 2007 10:42:51 +0100 From: Philippe Gerum MIME-Version: 1.0 References: <4726513D.9020308@domain.hid> In-Reply-To: <4726513D.9020308@domain.hid> Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Sender: Philippe Gerum Subject: Re: [Adeos-main] [PATCH] janitorial: remove i8253_lock conversion Reply-To: rpm@xenomai.org List-Id: General discussion about Adeos List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Jan Kiszka Cc: adeos-main@gna.org Jan Kiszka wrote: > Unless I'm utterly wrong, there are practically only two use cases > regarding the PIT: Either Linux has complete hold of it for clocksource > and/or clockevent usage, or the RT domain takes it over, also > completely. In both cases the RT domain does not need to use the > i8253_lock (see Xenomai). Ack. So let's remove the hunks that harden this > lock for no good (upcoming 2.6.24 would otherwise require even > _extended_ patching). Patch addresses i386, but this cleanup should be > applicable to x86_64 likewise. > Our x86_64 port relies on having APIC+TSC, so we don't even care about the PIT anyway. Will merge, thanks. > Jan > -- Philippe.