On Fri, Dec 21, 2018 at 09:20:44AM -0800, Andi Kleen wrote:
> > In particular turning an address-dependency into a control-dependency,
> > which is something allowed by the C language, since it doesn't recognise
> > these concepts as such.
> >
> > The 'optimization' is allowed currently, but LTO
> In particular turning an address-dependency into a control-dependency,
> which is something allowed by the C language, since it doesn't recognise
> these concepts as such.
>
> The 'optimization' is allowed currently, but LTO will make it much more
> likely since it will have a much wider view
On Tue, Dec 18, 2018 at 11:00:14AM +0100, Peter Zijlstra wrote:
> On Tue, Dec 18, 2018 at 10:18:24AM +0100, Peter Zijlstra wrote:
> > In particular turning an address-dependency into a control-dependency,
> > which is something allowed by the C language, since it doesn't recognise
> > these
On Tue, Dec 18, 2018 at 10:18:24AM +0100, Peter Zijlstra wrote:
> In particular turning an address-dependency into a control-dependency,
> which is something allowed by the C language, since it doesn't recognise
> these concepts as such.
>
> The 'optimization' is allowed currently, but LTO will
On Mon, Dec 17, 2018 at 04:08:00PM -0800, Andi Kleen wrote:
> On Mon, Dec 17, 2018 at 11:50:20PM +0100, Peter Zijlstra wrote:
> > On Tue, Feb 20, 2018 at 10:59:47PM +0100, Arnd Bergmann wrote:
> > > Hi Nico, all,
> > >
> > > I was playing with ARM link-time optimization handling earlier this
> >
On Mon, Dec 17, 2018 at 11:50:20PM +0100, Peter Zijlstra wrote:
> On Tue, Feb 20, 2018 at 10:59:47PM +0100, Arnd Bergmann wrote:
> > Hi Nico, all,
> >
> > I was playing with ARM link-time optimization handling earlier this
> > month, and eventually got it to build cleanly with randconfig kernels,
On Tue, Feb 20, 2018 at 10:59:47PM +0100, Arnd Bergmann wrote:
> Hi Nico, all,
>
> I was playing with ARM link-time optimization handling earlier this
> month, and eventually got it to build cleanly with randconfig kernels,
> but ended up with a lot of ugly hacks to actually pull it off.
How are
Hi Nico, all,
I was playing with ARM link-time optimization handling earlier this
month, and eventually got it to build cleanly with randconfig kernels,
but ended up with a lot of ugly hacks to actually pull it off.
Here are the ones that I don't think we actually want to merge,
but it may be
Hi Nico, all,
I was playing with ARM link-time optimization handling earlier this
month, and eventually got it to build cleanly with randconfig kernels,
but ended up with a lot of ugly hacks to actually pull it off.
Here are the ones that I don't think we actually want to merge,
but it may be
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