Meltdown/Spectre patches - determine kernel type
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  1. Anonymous User
  2. Tuesday, 16 January 2018
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In regards to updated for the Spectre / Meltdown issues, is there a way to know if you are running hybrid kernel or not?

This page in the comments refers to non-hybrid kernels to look here which appears to not yet have a fix?

Most of our servers run KVM virtual machines. I am I am just curious, how you know whether to apply the hybrid kernel patches or if we have to wait for the mainline kernel to be fixed by Cloud Linux?

Best regards,
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  1. 17.01.2018 07:01:47
  2. # 1
Posts: 187
Joined: 31.01.2017
Hybrid kernels are easy to distinguish - they have "el6h" in their names (see 'uname -r' output). As hybrid kernel is essentially a CL7 kernel, it usually gets its patches together with CL7 branch kernels. We encourage our customers to use hybrid kernels as they are more feature-rich.
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