Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1440506 > unrolled thread
| Started by | Will Deacon <will.deacon@arm.com> |
|---|---|
| First post | 2016-07-11 13:50 +0200 |
| Last post | 2016-07-11 14:30 +0200 |
| Articles | 2 — 2 participants |
Back to article view | Back to linux.kernel
This discussion starts older than the indexed window; earlier articles aren't shown. The article labeled Started by
below is the oldest one visible, not the original post.
Re: [PATCH]: arm64: factor work_pending state machine to C Will Deacon <will.deacon@arm.com> - 2016-07-11 13:50 +0200
Re: [PATCH]: arm64: factor work_pending state machine to C Mark Rutland <mark.rutland@arm.com> - 2016-07-11 14:30 +0200
| From | Will Deacon <will.deacon@arm.com> |
|---|---|
| Date | 2016-07-11 13:50 +0200 |
| Subject | Re: [PATCH]: arm64: factor work_pending state machine to C |
| Message-ID | <rTHSN-6tS-5@gated-at.bofh.it> |
On Fri, Jul 08, 2016 at 04:49:01PM +0100, Will Deacon wrote: > On Fri, Jul 08, 2016 at 11:43:50AM -0400, Chris Metcalf wrote: > > I am hopeful that this patch [1] can be picked up for the 4.8 merge window > > in the arm64 tree. As I mentioned in my last patch series that included > > this patch [2], I'm hopeful that this version addresses the performance > > issues that were seen with Mark's original patch. This version tests the > > TIF flags prior to calling out to the loop in C code. > > I still need to get round to measuring that again. This might also > conflict with a late fix I just sent for 4.7. FWIW, I've failed to measure any performance overhead from this change, so it certainly looks better thsn Mark's original patch from that angle. Will
[toc] | [next] | [standalone]
| From | Mark Rutland <mark.rutland@arm.com> |
|---|---|
| Date | 2016-07-11 14:30 +0200 |
| Message-ID | <rTIvv-6WO-9@gated-at.bofh.it> |
| In reply to | #1440506 |
On Mon, Jul 11, 2016 at 12:42:37PM +0100, Will Deacon wrote: > On Fri, Jul 08, 2016 at 04:49:01PM +0100, Will Deacon wrote: > > On Fri, Jul 08, 2016 at 11:43:50AM -0400, Chris Metcalf wrote: > > > I am hopeful that this patch [1] can be picked up for the 4.8 merge window > > > in the arm64 tree. As I mentioned in my last patch series that included > > > this patch [2], I'm hopeful that this version addresses the performance > > > issues that were seen with Mark's original patch. This version tests the > > > TIF flags prior to calling out to the loop in C code. > > > > I still need to get round to measuring that again. This might also > > conflict with a late fix I just sent for 4.7. > > FWIW, I've failed to measure any performance overhead from this change, > so it certainly looks better thsn Mark's original patch from that angle. FWIW, likewise, with perf bench sched atop of v4.7-rc6. Mark.
[toc] | [prev] | [standalone]
Back to top | Article view | linux.kernel
csiph-web