Re: retpoline-enabled GCC build for jessie

2018-02-22 Thread Moritz Mühlenhoff
Moin, Holger Levsen schrieb: > I have a stupid/uninformed question: is this gcc only useful for > rebuilding the kernel or would it "in theory" (and practice) be better > to rebuild everything with it? (of course the latter is probably not really > practical for Debian,

Re: retpoline-enabled GCC build for jessie

2018-02-19 Thread Davide Prina
On 18/02/2018 10:44, who.are.you wrote: On Sat, Feb 17, 2018 at 07:03:00PM +, Holger Levsen wrote: is this gcc only useful for rebuilding the kernel or would it "in theory" (and practice) be better to rebuild everything with it? (of course the latter is probably not really practical for

Re: retpoline-enabled GCC build for jessie

2018-02-18 Thread who . are . you
Does this mean re-installing Debain is the best way to mitigate Spectre? If yes, would re-installing Debian from now (and onwards) be a good time to avoid Spectre vulnerabilities? On Sat, Feb 17, 2018 at 07:03:00PM +, Holger Levsen wrote: > On Sat, Feb 17, 2018 at 02:35:22PM +0100, Moritz

Re: retpoline-enabled GCC build for jessie

2018-02-17 Thread Holger Levsen
On Sat, Feb 17, 2018 at 02:35:22PM +0100, Moritz Mühlenhoff wrote: > The update for gcc-4.9 has just been released. > Test packages for gcc-6/stretch are now available at > https://people.debian.org/~jmm/gcc6/ Thanks for your work on this, Moritz. I have a stupid/uninformed question: is this

Re: retpoline-enabled GCC build for jessie

2018-02-17 Thread Moritz Mühlenhoff
Fabian Grünbichler wrote: > > > (and is the Stretch / gcc-6 update planned in the same > > > time frame as well?) > > > > Yes, an update for GCC 6 is also in the works, but will probably a few days > > after the jessie update. > > any special reason for that? (out of curiosity, since we had also

Re: retpoline-enabled GCC build for jessie

2018-02-15 Thread Moritz Mühlenhoff
On Thu, Feb 15, 2018 at 02:55:02PM +0100, Fabian Grünbichler wrote: > > > (and is the Stretch / gcc-6 update planned in the same > > > time frame as well?) > > > > Yes, an update for GCC 6 is also in the works, but will probably a few days > > after the jessie update. > > any special reason for

Re: retpoline-enabled GCC build for jessie

2018-02-15 Thread Fabian Grünbichler
On Wed, Feb 14, 2018 at 10:55:27PM +0100, Moritz Mühlenhoff wrote: > On Wed, Feb 14, 2018 at 03:26:31PM +0100, Fabian Grünbichler wrote: > > is there a debdiff / source available as well? > > Above URL includes the source, but no debdiff (you can simply debdiff against > the latest jessie

Re: retpoline-enabled GCC build for jessie

2018-02-14 Thread Moritz Mühlenhoff
On Wed, Feb 14, 2018 at 03:26:31PM +0100, Fabian Grünbichler wrote: > is there a debdiff / source available as well? Above URL includes the source, but no debdiff (you can simply debdiff against the latest jessie package). > or is it "just" Jessie's current state plus the 9 patches from hjl's

Re: retpoline-enabled GCC build for jessie

2018-02-14 Thread Fabian Grünbichler
> Hi, > I've created a GCC 4.9 package for jessie with backported support for > -mindirect-branch (as needed to build kernels with retpoline support). > packages are available at https://people.debian.org/~jmm/gcc/. I've run some > tests, but would appreciate additional testing feedback; the

retpoline-enabled GCC build for jessie

2018-02-13 Thread Moritz Mühlenhoff
Hi, I've created a GCC 4.9 package for jessie with backported support for -mindirect-branch (as needed to build kernels with retpoline support). packages are available at https://people.debian.org/~jmm/gcc/. I've run some tests, but would appreciate additional testing feedback; the update is