From: Michael Ellerman <mpe@ellerman.id.au>
To: Segher Boessenkool <segher@kernel.crashing.org>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>,
masami.hiramatsu.pt@hitachi.com, mingo@kernel.org,
linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH V3 2/2] kprobes: Mark OPTPROBES na for powerpc
Date: Tue, 21 Jul 2015 15:50:11 +1000 [thread overview]
Message-ID: <1437457811.30722.8.camel@ellerman.id.au> (raw)
In-Reply-To: <20150720134103.GA9691@gate.crashing.org>
On Mon, 2015-07-20 at 08:41 -0500, Segher Boessenkool wrote:
> On Mon, Jul 20, 2015 at 04:24:22PM +0530, Ananth N Mavinakayanahalli wrote:
> > There is a potential gain to be had with a direct
> > jump instead of a breakpoint, but the caveats need to be traded off
> > with the complexity it brings in.
> >
> > For now, mark OPTPROBES na for powerpc.
>
> If we haven't yet investigated whether this feature is something beneficial
> to the powerpc kernel, it should just stay as TODO, not be marked as n/a.
Yep, agreed. As discussed in the other thread we'll leave this as TODO until we
know it's either not a win or not worth the complexity.
cheers
prev parent reply other threads:[~2015-07-21 5:50 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-20 10:54 [PATCH V3 1/2] Documentation/features: Add na key to arch-support.txt Ananth N Mavinakayanahalli
2015-07-20 10:54 ` [PATCH V3 2/2] kprobes: Mark OPTPROBES na for powerpc Ananth N Mavinakayanahalli
2015-07-20 13:41 ` Segher Boessenkool
2015-07-21 5:50 ` Michael Ellerman [this message]
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