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Date: Thu, 7 Oct 2021 13:00:36 +0300 From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com> To: Miguel Ojeda <miguel.ojeda.sandonis@...il.com> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Brendan Higgins <brendanhiggins@...gle.com>, Peter Zijlstra <peterz@...radead.org>, Alexey Dobriyan <adobriyan@...il.com>, Miguel Ojeda <ojeda@...nel.org>, Mauro Carvalho Chehab <mchehab+huawei@...nel.org>, Herbert Xu <herbert@...dor.apana.org.au>, linux-kernel <linux-kernel@...r.kernel.org>, "open list:KERNEL SELFTEST FRAMEWORK" <linux-kselftest@...r.kernel.org>, kunit-dev@...glegroups.com, Linux Media Mailing List <linux-media@...r.kernel.org>, Network Development <netdev@...r.kernel.org>, bpf <bpf@...r.kernel.org>, "Rafael J. Wysocki" <rafael@...nel.org>, Ingo Molnar <mingo@...hat.com>, Will Deacon <will@...nel.org>, Waiman Long <longman@...hat.com>, Boqun Feng <boqun.feng@...il.com>, Sakari Ailus <sakari.ailus@...ux.intel.com>, Laurent Pinchart <laurent.pinchart@...asonboard.com>, Mauro Carvalho Chehab <mchehab@...nel.org>, Steven Rostedt <rostedt@...dmis.org>, Alexei Starovoitov <ast@...nel.org>, Daniel Borkmann <daniel@...earbox.net>, Andrii Nakryiko <andrii@...nel.org>, Martin KaFai Lau <kafai@...com>, Song Liu <songliubraving@...com>, Yonghong Song <yhs@...com>, John Fastabend <john.fastabend@...il.com>, KP Singh <kpsingh@...nel.org>, Thomas Graf <tgraf@...g.ch>, Andrew Morton <akpm@...ux-foundation.org>, Jonathan Cameron <jic23@...nel.org>, Rasmus Villemoes <linux@...musvillemoes.dk> Subject: Re: [PATCH v1 3/3] kernel.h: Split out container_of() and typeof_memeber() macros On Thu, Oct 07, 2021 at 12:20:58PM +0300, Andy Shevchenko wrote: > On Tue, Jul 13, 2021 at 08:39:22PM +0200, Miguel Ojeda wrote: > > On Tue, Jul 13, 2021 at 1:23 PM Greg Kroah-Hartman > > <gregkh@...uxfoundation.org> wrote: > > > > > > Life is messy and can not easily be partitioned into tiny pieces. That > > > way usually ends up being even messier in the end... > > > > I agree measurements would be ideal. > > > > Having said that, even if it makes no performance difference, I think > > it is reasonable to split things (within reason) and makes a bunch of > > other things easier, plus sometimes one can enforce particular > > conventions in the separate header (like I did when introducing > > `compiler_attributes.h`). > > It does almost 2% (steady) speedup. I will send a v2 with methodology > and numbers of testing. Seems it's slightly different Cc list, so TWIMC the v2 is here: https://lore.kernel.org/linux-media/20211007095129.22037-5-andriy.shevchenko@linux.intel.com/T/#u -- With Best Regards, Andy Shevchenko
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