Re: [PATCH] Add option to build with -O3

2014-03-07 Thread Borislav Petkov
On Fri, Mar 07, 2014 at 07:51:56AM -0500, Austin S Hemmelgarn wrote: > I'm not arguing that, I just don't have the time to test it at the > moment; and, "performance improvement" also can mean different things > to different people (a lot of RT folks for example don't care if > things run faster if

Re: [PATCH] Add option to build with -O3

2014-03-07 Thread Austin S Hemmelgarn
On 2014-03-07 07:42, Richard Weinberger wrote: > > > Am 07.03.2014 13:39, schrieb Austin S Hemmelgarn: >> On 2014-03-06 08:28, Richard Weinberger wrote: >>> On Wed, Mar 5, 2014 at 6:37 AM, Jon Ringle >>> wrote: On Wed, 5 Mar 2014, Greg KH wrote: > On Tue, Mar 04, 2014 at

Re: [PATCH] Add option to build with -O3

2014-03-07 Thread Richard Weinberger
Am 07.03.2014 13:39, schrieb Austin S Hemmelgarn: > On 2014-03-06 08:28, Richard Weinberger wrote: >> On Wed, Mar 5, 2014 at 6:37 AM, Jon Ringle >> wrote: >>> >>> >>> On Wed, 5 Mar 2014, Greg KH wrote: >>> On Tue, Mar 04, 2014 at 07:01:49PM -0500, Jon Ringle wrote: > +config CC_OPTIMIZE

Re: [PATCH] Add option to build with -O3

2014-03-07 Thread Austin S Hemmelgarn
On 2014-03-06 08:28, Richard Weinberger wrote: > On Wed, Mar 5, 2014 at 6:37 AM, Jon Ringle > wrote: >> >> >> On Wed, 5 Mar 2014, Greg KH wrote: >> >>> On Tue, Mar 04, 2014 at 07:01:49PM -0500, Jon Ringle wrote: +config CC_OPTIMIZE_FOR_SPEED +bool "Optimze for speed (-O3)" +he

Re: [PATCH] Add option to build with -O3

2014-03-06 Thread Richard Weinberger
On Wed, Mar 5, 2014 at 6:37 AM, Jon Ringle wrote: > > > On Wed, 5 Mar 2014, Greg KH wrote: > >> On Tue, Mar 04, 2014 at 07:01:49PM -0500, Jon Ringle wrote: >> > +config CC_OPTIMIZE_FOR_SPEED >> > +bool "Optimze for speed (-O3)" >> > +help >> > + Enabling this option will pass "-O3" to

Re: [PATCH] Add option to build with -O3

2014-03-06 Thread Austin S Hemmelgarn
On 2014-03-05 02:36, j...@ringle.org wrote: > From: Jon Ringle > > Signed-off-by: Jon Ringle > --- > Makefile | 2 ++ > init/Kconfig | 19 --- > 2 files changed, 18 insertions(+), 3 deletions(-) > > diff --git a/Makefile b/Makefile > index 78209ee..e7f0b3c 100644 > --- a/M

Re: [PATCH] Add option to build with -O3

2014-03-05 Thread Greg KH
On Wed, Mar 05, 2014 at 02:32:26AM -0500, Jon Ringle wrote: > On Wed, 5 Mar 2014, Greg KH wrote: > > > On Tue, Mar 04, 2014 at 07:01:49PM -0500, Jon Ringle wrote: > > > +config CC_OPTIMIZE_FOR_SPEED > > > +bool "Optimze for speed (-O3)" > > > +help > > > + Enabling this option will pa

Re: [PATCH] Add option to build with -O3

2014-03-05 Thread Valdis . Kletnieks
On Wed, 05 Mar 2014 01:19:17 -0500, Jon Ringle said: > If you are not the intended recipient, please contact the sender by reply > email and destroy all copies of the original message. Is your company willing to indemnify my organization for the costs of tracking down *all* copies of the message

[PATCH] Add option to build with -O3

2014-03-04 Thread jon
From: Jon Ringle Signed-off-by: Jon Ringle --- Makefile | 2 ++ init/Kconfig | 19 --- 2 files changed, 18 insertions(+), 3 deletions(-) diff --git a/Makefile b/Makefile index 78209ee..e7f0b3c 100644 --- a/Makefile +++ b/Makefile @@ -581,6 +581,8 @@ all: vmlinux ifdef C

Re: [PATCH] Add option to build with -O3

2014-03-04 Thread Jon Ringle
On Wed, 5 Mar 2014, Greg KH wrote: > On Tue, Mar 04, 2014 at 07:01:49PM -0500, Jon Ringle wrote: > > +config CC_OPTIMIZE_FOR_SPEED > > +bool "Optimze for speed (-O3)" > > +help > > + Enabling this option will pass "-O3" to gcc > > + resulting in a larger kernel (but possibly fast

Re: [PATCH] Add option to build with -O3

2014-03-04 Thread Greg KH
On Wed, Mar 05, 2014 at 01:19:17AM -0500, Jon Ringle wrote: > > > On Wed, 5 Mar 2014, Greg KH wrote: > > > On Wed, Mar 05, 2014 at 12:37:56AM -0500, Jon Ringle wrote: > > > The information contained in this transmission may contain confidential > > > information. If the reader of this message

Re: [PATCH] Add option to build with -O3

2014-03-04 Thread Jon Ringle
On Wed, 5 Mar 2014, Greg KH wrote: > On Wed, Mar 05, 2014 at 12:37:56AM -0500, Jon Ringle wrote: > > The information contained in this transmission may contain confidential > > information. If the reader of this message is not the intended recipient, > > you are hereby notified that any revie

Re: [PATCH] Add option to build with -O3

2014-03-04 Thread Greg KH
On Wed, Mar 05, 2014 at 12:37:56AM -0500, Jon Ringle wrote: > The information contained in this transmission may contain confidential > information. If the reader of this message is not the intended recipient, > you are hereby notified that any review, dissemination, distribution or > duplicati

Re: [PATCH] Add option to build with -O3

2014-03-04 Thread Jon Ringle
On Wed, 5 Mar 2014, Greg KH wrote: > On Tue, Mar 04, 2014 at 07:01:49PM -0500, Jon Ringle wrote: > > +config CC_OPTIMIZE_FOR_SPEED > > +bool "Optimze for speed (-O3)" > > +help > > + Enabling this option will pass "-O3" to gcc > > + resulting in a larger kernel (but possibly fa

Re: [PATCH] Add option to build with -O3

2014-03-04 Thread Greg KH
On Tue, Mar 04, 2014 at 07:01:49PM -0500, Jon Ringle wrote: > +config CC_OPTIMIZE_FOR_SPEED > +bool "Optimze for speed (-O3)" > +help > + Enabling this option will pass "-O3" to gcc > + resulting in a larger kernel (but possibly faster) Are you sure about that? Have you measured

[PATCH] Add option to build with -O3

2014-03-04 Thread Jon Ringle
Signed-off-by: Jon Ringle --- Makefile | 2 ++ init/Kconfig | 19 --- 2 files changed, 18 insertions(+), 3 deletions(-) diff --git a/Makefile b/Makefile index 78209ee..e7f0b3c 100644 --- a/Makefile +++ b/Makefile @@ -581,6 +581,8 @@ all: vmlinux ifdef CONFIG_CC_OPTIMIZE_FO