[stretch] ABI bump for 4.9 with retpoline support?

2018-02-16 Thread Yves-Alexis Perez
Hi kernel team I am currently working on 4.9.81 (and will work on 4.9.82 when it's out) for stretch-pu. Fixes for Spectre started appearing in recent versions (especially retpoline) and Moritz has worked a lot on gcc with retpoline support, so it looks that we'll be able to ship a kernel with retp

Re: [stretch] ABI bump for 4.9 with retpoline support?

2018-02-16 Thread Yves-Alexis Perez
On Fri, 2018-02-16 at 11:54 +0100, Yves-Alexis Perez wrote: > > There's a bunch of ABI breaks in 4.9.81 again, and we ignored/reverted a lot > of them since 4.9.65+kaiser, so maybe it'll be a good idea at one point, but I > don't have a strong opinion on this right now. I've pushed my work to the

Re: [stretch] ABI bump for 4.9 with retpoline support?

2018-02-17 Thread Ben Hutchings
On Fri, 2018-02-16 at 18:30 +0100, Yves-Alexis Perez wrote: > On Fri, 2018-02-16 at 11:54 +0100, Yves-Alexis Perez wrote: > > > > There's a bunch of ABI breaks in 4.9.81 again, and we ignored/reverted a lot > > of them since 4.9.65+kaiser, so maybe it'll be a good idea at one point, > > but I > >

Re: [stretch] ABI bump for 4.9 with retpoline support?

2018-02-17 Thread Yves-Alexis Perez
On Sat, 2018-02-17 at 19:51 +, Ben Hutchings wrote: > I think we should bump ABI again. Thanks for the feedback. I'll do that and remove all the ABI reverts and ignores. > We should also do the equivalent of > these changes in sid, with s/gcc-7/gcc-6/. > > * [x86] Add versioned build-dep

Re: [stretch] ABI bump for 4.9 with retpoline support?

2018-02-18 Thread Moritz Mühlenhoff
On Sat, Feb 17, 2018 at 08:57:42PM +0100, Yves-Alexis Perez wrote: > On Sat, 2018-02-17 at 19:51 +, Ben Hutchings wrote: > > I think we should bump ABI again. > > Thanks for the feedback. I'll do that and remove all the ABI reverts and > ignores. > > > We should also do the equivalent of >