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Groups > linux.kernel > #1614081
| From | Peter Zijlstra <peterz@infradead.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: linux-next: manual merge of the akpm tree with the tip tree |
| Date | 2017-03-31 16:50 +0200 |
| Message-ID | <tr62e-5Sb-17@gated-at.bofh.it> (permalink) |
| References | <tqXBE-nk-7@gated-at.bofh.it> <tqYxH-10x-3@gated-at.bofh.it> <tr5fP-5ka-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Fri, Mar 31, 2017 at 06:54:48AM -0700, Andi Kleen wrote: > > Argh! > > > > Andrew, please drop that patch. And the x86 out-of-line of __atomic_add_unless(). > > Why dropping the second? Do you have something better? The try_cmpxchg() patches save about half the text, and do not have the out-of-line penalty as shown here: https://lkml.kernel.org/r/20170322165144.dtidvvbxey7w5pbd@hirez.programming.kicks-ass.net > On the first there were no 0day regressions, so at least basic performance > checking has been done. The first is superseded by much better patches in the scheduler tree.
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linux-next: manual merge of the akpm tree with the tip tree Stephen Rothwell <sfr@canb.auug.org.au> - 2017-03-31 07:50 +0200
Re: linux-next: manual merge of the akpm tree with the tip tree Peter Zijlstra <peterz@infradead.org> - 2017-03-31 08:50 +0200
Re: linux-next: manual merge of the akpm tree with the tip tree Andi Kleen <ak@linux.intel.com> - 2017-03-31 16:00 +0200
Re: linux-next: manual merge of the akpm tree with the tip tree Peter Zijlstra <peterz@infradead.org> - 2017-03-31 16:50 +0200
Re: linux-next: manual merge of the akpm tree with the tip tree Andi Kleen <ak@linux.intel.com> - 2017-03-31 18:10 +0200
Re: linux-next: manual merge of the akpm tree with the tip tree Peter Zijlstra <peterz@infradead.org> - 2017-03-31 19:50 +0200
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