From: Segher Boessenkool <segher@kernel.crashing.org>
To: Scott Wood <scottwood@freescale.com>
Cc: linuxppc-dev@lists.ozlabs.org,
Bogdan Purcareata <bogdan.purcareata@freescale.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] powerpc/mpic: Add DT option to skip readback after EOI
Date: Wed, 28 Jan 2015 14:15:33 -0600 [thread overview]
Message-ID: <20150128201533.GA10436@gate.crashing.org> (raw)
In-Reply-To: <1422395873.10544.61.camel@freescale.com>
On Tue, Jan 27, 2015 at 03:57:53PM -0600, Scott Wood wrote:
> At this point, given the previous discussion, does anyone object to
> removing the readback entirely? Do we have any evidence that reading
> WHOAMI is effective at addressing whatever problem reading EOI made go
> away on the relevant platform?
What platforms were those? Just test there!
If no one remembers, they can not (any longer) be important platforms ;-)
Just remove the code, and if in twelve months finally someone reports a
failure we will at least know what platform it was.
Segher
WARNING: multiple messages have this Message-ID (diff)
From: Segher Boessenkool <segher@kernel.crashing.org>
To: Scott Wood <scottwood@freescale.com>
Cc: Bogdan Purcareata <bogdan.purcareata@freescale.com>,
linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] powerpc/mpic: Add DT option to skip readback after EOI
Date: Wed, 28 Jan 2015 14:15:33 -0600 [thread overview]
Message-ID: <20150128201533.GA10436@gate.crashing.org> (raw)
In-Reply-To: <1422395873.10544.61.camel@freescale.com>
On Tue, Jan 27, 2015 at 03:57:53PM -0600, Scott Wood wrote:
> At this point, given the previous discussion, does anyone object to
> removing the readback entirely? Do we have any evidence that reading
> WHOAMI is effective at addressing whatever problem reading EOI made go
> away on the relevant platform?
What platforms were those? Just test there!
If no one remembers, they can not (any longer) be important platforms ;-)
Just remove the code, and if in twelve months finally someone reports a
failure we will at least know what platform it was.
Segher
next prev parent reply other threads:[~2015-01-28 20:15 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-27 15:19 [PATCH v2] powerpc/mpic: Add DT option to skip readback after EOI Bogdan Purcareata
2015-01-27 15:19 ` Bogdan Purcareata
2015-01-27 21:57 ` Scott Wood
2015-01-27 21:57 ` Scott Wood
2015-01-28 20:15 ` Segher Boessenkool [this message]
2015-01-28 20:15 ` Segher Boessenkool
2015-01-28 23:03 ` Scott Wood
2015-01-28 23:03 ` Scott Wood
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