From: Philippe Gerum <rpm@xenomai.org>
To: Jan Kiszka <jan.kiszka@domain.hid>
Cc: adeos-main@gna.org
Subject: Re: [Adeos-main] [PATCH] janitorial: remove i8253_lock conversion
Date: Tue, 30 Oct 2007 10:42:51 +0100 [thread overview]
Message-ID: <4726FC9B.1070806@domain.hid> (raw)
In-Reply-To: <4726513D.9020308@domain.hid>
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.
prev parent reply other threads:[~2007-10-30 9:42 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-29 21:31 [Adeos-main] [PATCH] janitorial: remove i8253_lock conversion Jan Kiszka
2007-10-29 21:42 ` Jan Kiszka
2007-10-30 9:44 ` Philippe Gerum
2007-10-30 9:42 ` Philippe Gerum [this message]
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