Re: kernel-4.14.14-200.fc26 and GCC / retpoline

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On Fri, Jan 19, 2018 at 10:22 AM, Laura Abbott <labbott@xxxxxxxxxx> wrote:
> On 01/19/2018 06:37 AM, Reindl Harald wrote:
>>
>> does the running build
>> https://koji.fedoraproject.org/koji/buildinfo?buildID=1019102 already use
>> GCC 7.2.1-7 build
>> (https://koji.fedoraproject.org/koji/buildinfo?buildID=1017750) which is
>> needed to get the full retpoline support in the kernel build?
>>
>> * Wed Jan 17 2018 Jakub Jelinek <jakub@xxxxxxxxxx> 7.2.1-7
>>    - x86 retpoline support
>
>
> Looks like it
>

4.14.13-300.fc27.x86_64
$ grep . /sys/devices/system/cpu/vulnerabilities/*
/sys/devices/system/cpu/vulnerabilities/meltdown:Mitigation: PTI
/sys/devices/system/cpu/vulnerabilities/spectre_v1:Vulnerable
/sys/devices/system/cpu/vulnerabilities/spectre_v2:Vulnerable: Minimal
generic ASM retpoline


4.14.14-300.fc27.x86_64
$ grep . /sys/devices/system/cpu/vulnerabilities/*
/sys/devices/system/cpu/vulnerabilities/meltdown:Mitigation: PTI
/sys/devices/system/cpu/vulnerabilities/spectre_v1:Vulnerable
/sys/devices/system/cpu/vulnerabilities/spectre_v2:Mitigation: Full
generic retpoline


-- 
Chris Murphy
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