On 2018-02-02 11:02 AM, Arnd Bergmann wrote: > On Fri, Feb 2, 2018 at 4:39 PM, Harry Wentland <harry.wentland at amd.com> wrote: >> On 2018-02-02 07:31 AM, Arnd Bergmann wrote: >>> Building the amd display driver with link-time optimizations revealed a bug >> >> Curious how I'd go about building with link-time optimizations. > > I got the idea from last week's LWN article on the topic, see > https://lwn.net/Articles/744507/. I needed the latest gcc version to > avoid some compiler bugs, and a few dozen kernel patches on top > to get a clean build in random configurations (posted them all today). > > Most normal configurations probably work out of the box, but I have > not actually tried running any ;-) > Thanks. Learn something new every day. I like this bit from the article: > So it is basically just like if it concatenated all source files into a single one and made everything static. Probably not a bad idea to think that way when doing kernel development. :) Harry > Arnd >
