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Thread: avoid performance penalties from specter & meltdown patches

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  1. avoid performance penalties from specter & meltdown patches

    How can I configure the system so that patches for Specter and Meltdown do not effect the performance. If adding the following kernel parameters help:
    Code:
    pti = off, nospec, spectre_v2=off
    Actually one of my customer runs SAP ERP atop SLE servers. SAP ERP is a trusted application and only local and trusted users access the system. Customer is asking me to configure the system so that performance impact could be avoided.

    Please help

  2. Re: avoid performance penalties from specter & meltdown patc

    Quote Originally Posted by sharfuddin View Post
    How can I configure the system so that patches for Specter and Meltdown do not effect the performance. If adding the following kernel parameters help:
    Code:
    pti = off, nospec, spectre_v2=off
    Actually one of my customer runs SAP ERP atop SLE servers. SAP ERP is a trusted application and only local and trusted users access the system. Customer is asking me to configure the system so that performance impact could be avoided.

    Please help
    https://www.suse.com/support/kb/doc/?id=7022512

    Thomas

  3. Re: avoid performance penalties from specter & meltdown patc

    Yes I went through the https://www.suse.com/support/kb/doc/?id=7022512 and from there I deduced that following kernel parameters would help:
    Code:
     pti = off, nospec, spectre_v2=off
    I am looking for endorsement; if my understanding is correct ?

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