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

From Yves-Alexis Perez <corsac@debian.org>
Newsgroups linux.debian.kernel
Subject Re: [stretch] ABI bump for 4.9 with retpoline support?
Date 2018-02-16 18:40 +0100
Message-ID <vjS9j-3Bb-11@gated-at.bofh.it> (permalink)
References <vjLUd-7UK-1@gated-at.bofh.it>
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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 stretch branch. It builds fine on x86 and powerpc
after some fixes. When built with gcc-6 just uploaded to security-master,
retpoline is enabled:

/sys/devices/system/cpu/vulnerabilities/spectre_v2:Mitigation: Full generic
retpoline

Depending on the opinion, we can either revert the various ABI fixes and bump
the ABI, or try an upload as-is.

Regards,
-- 
Yves-Alexis

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Thread

[stretch] ABI bump for 4.9 with retpoline support? Yves-Alexis Perez <corsac@debian.org> - 2018-02-16 12:00 +0100
  Re: [stretch] ABI bump for 4.9 with retpoline support? Yves-Alexis Perez <corsac@debian.org> - 2018-02-16 18:40 +0100
    Re: [stretch] ABI bump for 4.9 with retpoline support? Yves-Alexis Perez <corsac@debian.org> - 2018-02-17 21:00 +0100
      Re: [stretch] ABI bump for 4.9 with retpoline support? Moritz Mühlenhoff <jmm@inutil.org> - 2018-02-18 12:20 +0100
    Re: [stretch] ABI bump for 4.9 with retpoline support? Ben Hutchings <ben@decadent.org.uk> - 2018-02-17 21:00 +0100

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