The link that Aria provided didn't work for me due to an underscore being inserted into the URL.
Please try visiting http://news.softpedia.com/news /red-hat-says-security-updates-for-meltdown-spectre-bugs- may-affect-performance-519214.shtml Following the several resources <https://access.redhat.com/security/vulnerabilities/speculativeexecution> link in the article, you'll notice that Heikki Harsunen has requested clarification regarding IBM System Z, POWER8 (Big Endian and Little Endian), and POWER9 (Little Endian) systems. No response yet. On Thu, Jan 4, 2018 at 1:44 PM, Aria Bamdad <[email protected]> wrote: > Here is an article that answers some of your questions: > > http://news.softpedia.com/news/red-hat-says-security- > updates-for-meltdown-sp > ectre-bugs-may-affect-performance-519214.shtml > > > > -----Original Message----- > From: Linux on 390 Port [mailto:[email protected]] On Behalf Of > Guest, > Darren > Sent: Thursday, January 04, 2018 8:36 AM > To: [email protected] > Subject: Meltdown/Spectre; Linux on z affected? > > Hi, > > Not sure if people have seen that attached article or heard of the 'intel' > chip issues from elsewhere: > https://www.theregister.co.uk/2018/01/02/intel_cpu_design_flaw/ > > The 'fix' for meltdown (at least) is apparently to change the Linux kernel > which will potentially affect performance. I'm pretty sure that zSeries > isn't affected by the issue (is it?), but if the Linux Kernel is changed, > are we likely to see a performance hit on Linux running on zSeries as well > (even though we don't need the fix)? > > Best case scenario, can I tell my management that these won't affect Linux > on z? > > > Cheers, > > Darren > > > > > > Darren Guest > > First Aider > Senior Fire Executive > Senior Systems Engineer > Mainframe OS > Global Technology Services, Experian UK > -------------------------------------------------------------------------- > Fairham House, Mere Way, Ruddington Fields Business Park, Nottingham, NG80 > 1DP > Tel: +44 (0)115 941 0888 (main switchboard) > +44 (0)115 87 85959 (direct Line) > > Information in this e-mail and any attachments is confidential, and may not > be copied or used by anyone other than the addressee, nor disclosed to any > third party without our permission. There is no intention to create any > legally binding contract or other binding commitment through the use of > this > electronic communication unless it is issued in accordance with the > Experian > Limited standard terms and conditions of purchase or other express written > agreement between Experian Limited and the recipient. Although Experian has > taken reasonable steps to ensure that this communication and any > attachments > are free from computer viruses, you are advised to take your own steps to > ensure that they are actually virus free. > > Experian Ltd is authorised and regulated by the Financial Conduct > Authority. > Companies Act information: Registered name: Experian Limited. Registered > office: The Sir John Peace Building, Experian Way, NG2 Business Park, > Nottingham, NG80 1ZZ, United Kingdom. Place of registration: England and > Wales. Registered number: 653331. > > ---------------------------------------------------------------------- > For LINUX-390 subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO LINUX-390 or > visit > http://www.marist.edu/htbin/wlvindex?LINUX-390 > ---------------------------------------------------------------------- > For more information on Linux on System z, visit > http://wiki.linuxvm.org/ > > ---------------------------------------------------------------------- > For LINUX-390 subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO LINUX-390 or > visit > http://www.marist.edu/htbin/wlvindex?LINUX-390 > ---------------------------------------------------------------------- > For more information on Linux on System z, visit > http://wiki.linuxvm.org/ > ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 ---------------------------------------------------------------------- For more information on Linux on System z, visit http://wiki.linuxvm.org/
