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Groups > linux.kernel > #1188194 > unrolled thread
| Started by | Segher Boessenkool <segher@kernel.crashing.org> |
|---|---|
| First post | 2015-07-20 15:50 +0200 |
| Last post | 2015-07-21 08:00 +0200 |
| Articles | 2 — 2 participants |
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Re: [PATCH V3 2/2] kprobes: Mark OPTPROBES na for powerpc Segher Boessenkool <segher@kernel.crashing.org> - 2015-07-20 15:50 +0200
Re: [PATCH V3 2/2] kprobes: Mark OPTPROBES na for powerpc Michael Ellerman <mpe@ellerman.id.au> - 2015-07-21 08:00 +0200
| From | Segher Boessenkool <segher@kernel.crashing.org> |
|---|---|
| Date | 2015-07-20 15:50 +0200 |
| Subject | Re: [PATCH V3 2/2] kprobes: Mark OPTPROBES na for powerpc |
| Message-ID | <pOjC9-2OM-15@gated-at.bofh.it> |
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. Segher -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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| From | Michael Ellerman <mpe@ellerman.id.au> |
|---|---|
| Date | 2015-07-21 08:00 +0200 |
| Message-ID | <pOyKR-7PR-1@gated-at.bofh.it> |
| In reply to | #1188194 |
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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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