{"id":6511,"date":"2015-09-23T15:29:34","date_gmt":"2015-09-23T15:29:34","guid":{"rendered":"http:\/\/www.esds.co.in\/blog\/?p=6511"},"modified":"2019-01-25T10:01:53","modified_gmt":"2019-01-25T10:01:53","slug":"linux-4-2-for-enhanced-performance-greater-stability-and-new-data-encryption","status":"publish","type":"post","link":"https:\/\/www.esds.co.in\/blog\/linux-4-2-for-enhanced-performance-greater-stability-and-new-data-encryption\/","title":{"rendered":"Linux 4.2 for enhanced performance, greater stability and new data encryption"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-6512 aligncenter\" src=\"https:\/\/www.esds.co.in\/blog\/wp-content\/uploads\/2015\/09\/Linux-4.2.png\" alt=\"Linux 4.2\" width=\"660\" height=\"312\" srcset=\"https:\/\/www.esds.co.in\/blog\/wp-content\/uploads\/2015\/09\/Linux-4.2.png 660w, https:\/\/www.esds.co.in\/blog\/wp-content\/uploads\/2015\/09\/Linux-4.2-300x142.png 300w\" sizes=\"auto, (max-width: 660px) 100vw, 660px\" \/><\/p><div id=\"ez-toc-container\" class=\"ez-toc-v2_0_76 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.esds.co.in\/blog\/linux-4-2-for-enhanced-performance-greater-stability-and-new-data-encryption\/#Linux_42\" >Linux 4.2<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.esds.co.in\/blog\/linux-4-2-for-enhanced-performance-greater-stability-and-new-data-encryption\/#Introduction\" >Introduction:<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.esds.co.in\/blog\/linux-4-2-for-enhanced-performance-greater-stability-and-new-data-encryption\/#1_Security_Enhancement\" >1)\u00a0\u00a0\u00a0\u00a0 Security Enhancement:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.esds.co.in\/blog\/linux-4-2-for-enhanced-performance-greater-stability-and-new-data-encryption\/#2_Increased_Stability_Level\" >2)\u00a0\u00a0\u00a0\u00a0 Increased Stability Level<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.esds.co.in\/blog\/linux-4-2-for-enhanced-performance-greater-stability-and-new-data-encryption\/#3_Updated_Drivers\" >3)\u00a0\u00a0\u00a0\u00a0 Updated Drivers<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.esds.co.in\/blog\/linux-4-2-for-enhanced-performance-greater-stability-and-new-data-encryption\/#4_New_Functions\" >4)\u00a0\u00a0\u00a0\u00a0 New Functions<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.esds.co.in\/blog\/linux-4-2-for-enhanced-performance-greater-stability-and-new-data-encryption\/#5_Increased_Speed\" >5)\u00a0\u00a0\u00a0\u00a0 Increased Speed<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.esds.co.in\/blog\/linux-4-2-for-enhanced-performance-greater-stability-and-new-data-encryption\/#Presentation\" >Presentation:<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.esds.co.in\/blog\/linux-4-2-for-enhanced-performance-greater-stability-and-new-data-encryption\/#AMD_side_efforts_and_ARM\" >AMD side efforts and ARM<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.esds.co.in\/blog\/linux-4-2-for-enhanced-performance-greater-stability-and-new-data-encryption\/#Note_support_for_the_Renesas_H8300_processor_architecture_is_also_available_in_Linux_42\" >Note: support for the Renesas H8\/300 processor architecture is also available in Linux 4.2!<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"Linux_42\"><\/span>Linux 4.2<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h4><span class=\"ez-toc-section\" id=\"Introduction\"><\/span>Introduction:<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p style=\"text-align: justify;\">Before we head towards gaining information on Linux 4.2 Kernel as a subject, it is important to know why you should update your kernel. There are always some good reasons that incline us to update Kernel often. Some of them we\u2019ll see here to learn how Linux 4.2 update has major importance in the real-life business scenario.<\/p>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"1_Security_Enhancement\"><\/span>1)\u00a0\u00a0\u00a0\u00a0 Security Enhancement:<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\">In every kernel update, we see additional security enhancements that close the present and predicted loopholes identified by industry experts. This is the main reason why one should update the Kernel often to stay protected from the threats lurking the World Wide Web.<\/p>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"2_Increased_Stability_Level\"><\/span>2)\u00a0\u00a0\u00a0\u00a0 Increased Stability Level<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\">The kernel update does not mean just security updates, but it brings along other improvements as well that reduces the possibilities of system crashes. Though, many <span id=\"6ce37aba-0338-49e5-b3ee-a48fed86ab3c\" class=\"GINGER_SOFTWARE_mark\">debate<\/span> that <span id=\"77a92674-f515-4cc8-9252-6b60f4710e47\" class=\"GINGER_SOFTWARE_mark\">updating<\/span> kernel to the latest versions on a regular or frequent basis decreases the overall system stability. Quite possible as running on a kernel which is a bit new to you, makes it hard to predict whether it would work within a business environment. While the concern might be true in certain cases, we can safely say the risk margin is rather thin; however, system administrators cautiously react to every new update. Hence, a tenured system expert would first test the new update in a controlled environment before rolling it out all across.<\/p>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"3_Updated_Drivers\"><\/span>3)\u00a0\u00a0\u00a0\u00a0 Updated Drivers<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\">Whenever a major kernel update is proposed for the <span id=\"4c4fbff2-457c-4ae6-9fba-d2e0d28e5c52\" class=\"GINGER_SOFTWARE_mark\">use<\/span>, it guarantees the inclusion of the latest updated drivers for all devices. Every <span id=\"8ab75ce9-fa3a-4c44-b076-61f9de7484d7\" class=\"GINGER_SOFTWARE_mark\">refreshed updated<\/span> version <span id=\"19fb538b-46a3-46bd-8116-6554296253cd\" class=\"GINGER_SOFTWARE_mark\">for<\/span> drivers brings enhanced performance.<\/p>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"4_New_Functions\"><\/span>4)\u00a0\u00a0\u00a0\u00a0 New Functions<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\">Every major update in Linux kernel brings some new functions to ease the load on programs that use some sort of task or operations. In addition, some functions get changed, but the change in some functions most likely won\u2019t break your system. So updating on the latest would be the sensible step as sooner or later some of your programs and packages may require a certain version of the kernel. So before it\u2019s late, try to have the latest one.<\/p>\n<h3 style=\"text-align: justify;\"><span class=\"ez-toc-section\" id=\"5_Increased_Speed\"><\/span>5)\u00a0\u00a0\u00a0\u00a0 Increased Speed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p style=\"text-align: justify;\">Major updates always have meant to enhance <span id=\"9fffdf60-3aca-4833-945f-e3996b873c92\" class=\"GINGER_SOFTWARE_mark\">overall speed<\/span> of the system, however, some changes can be indirect, and some other don\u2019t make any massive difference, but the updated kernel increases the overall productivity of Linux machines.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Presentation\"><\/span>Presentation:<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\">In Linux kernel 4.2 more than one million lines of code have been added with <span id=\"ea1175a4-609b-4291-9ea7-5c0d2c5b11dd\" class=\"GINGER_SOFTWARE_mark\">inclusion<\/span> of <span id=\"5d0aed73-25ed-49cc-b1f0-c12328f1d200\" class=\"GINGER_SOFTWARE_mark\">redesigned<\/span> driver for AMD GPU, plus support for new processor platforms. Now this is interesting, isn\u2019t it?<\/p>\n<p style=\"text-align: justify;\">Well, according to Linus Torvalds, the creator of <span id=\"0bffeb73-03af-45d4-b66d-0c4747e7709d\" class=\"GINGER_SOFTWARE_mark\">Linux Kernel<\/span>, the additional features within Linux kernel 4.2 is now complete, where many of these would be new for this future version of the open source kernel.<\/p>\n<p style=\"text-align: justify;\">He specifically mentioned that the version 4.2 of <span id=\"727dc97a-b52d-41de-9890-f60f93502273\" class=\"GINGER_SOFTWARE_mark\">Linux kernel<\/span> will be the biggest release performed, however, tempers its original forecast: according to him, this version would be the largest one ever proposed, but that depends on <span id=\"2b2757bd-d405-4c3f-b54a-b248f99fed08\" class=\"GINGER_SOFTWARE_mark\">how you count in<\/span> numbers of lines of code as per the requirements. Indeed, it\u2019s one of the largest in recent history of rec-1 Linux. For example, the 3.10-rc1 which was almost big and it turns out that the 3.15-rc1 was more of promises than the 4.2-rc1.<\/p>\n<p style=\"text-align: justify;\">If you measure the largeness based on numbers, then you will be certainly surprised by knowing the fact that more than one million additional lines are added to this kernel version and about a quarter of a million lines removed. This version clearly beats the previous titleholder 3.11-rc1, which was mainly the size of <span id=\"638d9231-684c-4631-ba76-d9321ee5301e\" class=\"GINGER_SOFTWARE_mark\">chandelier<\/span> in the kernel.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"AMD_side_efforts_and_ARM\"><\/span>AMD side efforts and ARM<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p style=\"text-align: justify;\">The redesign of AMD GPU support is also a notable change. A considerable patch with more advancements by the mere catalog of AMD GPU registers, which also accounts for 415 changes in Linux 4.2 RC1. In total, 49% of the changes made to RC1, are related to AMD GPU driver.<\/p>\n<p style=\"text-align: justify;\"><span id=\"72fa20de-de42-40c9-925e-8238053ea751\" class=\"GINGER_SOFTWARE_mark\">Rest<\/span> of the parts are mainly divided between the various new media <span id=\"51af0c0a-7631-4c64-8cc5-d767434c69e7\" class=\"GINGER_SOFTWARE_mark\">platforms<\/span> processor with new motherboards for ARM forming the main body, monitoring the management of Intel Atom Chips \u201cBroxton\u201d and seriously reviewing the \u201cx86 processors\u201d support.<\/p>\n<p>For Linus Torvalds, it\u2019s quite unusual that x86\u2019s low-level code being relatively stable and is rarely subject to such great changes.<\/p>\n<h4><span class=\"ez-toc-section\" id=\"Note_support_for_the_Renesas_H8300_processor_architecture_is_also_available_in_Linux_42\"><\/span><strong><em>Note<\/em><\/strong>: support for the Renesas H8\/300 processor architecture is also available in Linux 4.2!<span class=\"ez-toc-section-end\"><\/span><\/h4>\n<p style=\"text-align: justify;\">There is <span id=\"f4ee98cb-b745-4e86-a7ee-f1d5e3c9c819\" class=\"GINGER_SOFTWARE_mark\">another<\/span> good news, the management of queuing of Trim commands (Trim NCQ) has been refined as well, so we can hope for better managed SSD implements.<\/p>\n<p style=\"text-align: justify;\">Some other modifications are made <span id=\"2063f573-a75e-4e17-aa6e-06540a4761a2\" class=\"GINGER_SOFTWARE_mark\">into<\/span> the file system, with the key to enhance performance, greater stability and new data encryption options. And with the final touch of UEFI support that continues to grow allows better management of next-<span id=\"9e4fc7f3-260f-499b-b9ec-040b14622339\" class=\"GINGER_SOFTWARE_mark\">gen<\/span> computers.<\/p>\n<p style=\"text-align: justify;\"><em>Don\u2019t forget to share your views with us on Linux 4.2. We would greatly appreciate your feedback or expectation from this newer version. <\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Linux 4.2 Introduction: Before we head towards gaining information on Linux 4.2 Kernel as a subject, it is important to know why you should update your kernel. There are always some good reasons that incline us to update Kernel often. Some of them we\u2019ll see here to learn how Linux 4.2 update has major importance&#8230; <\/p>\n<div class=\"clear\"><\/div>\n<p><a href=\"https:\/\/www.esds.co.in\/blog\/linux-4-2-for-enhanced-performance-greater-stability-and-new-data-encryption\/\" class=\"gdlr-button small excerpt-read-more\">Read More<\/a><\/p>\n","protected":false},"author":24,"featured_media":6512,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[187],"tags":[1370],"class_list":["post-6511","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-general","tag-linux-4-2"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/www.esds.co.in\/blog\/wp-json\/wp\/v2\/posts\/6511","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.esds.co.in\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.esds.co.in\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.esds.co.in\/blog\/wp-json\/wp\/v2\/users\/24"}],"replies":[{"embeddable":true,"href":"https:\/\/www.esds.co.in\/blog\/wp-json\/wp\/v2\/comments?post=6511"}],"version-history":[{"count":3,"href":"https:\/\/www.esds.co.in\/blog\/wp-json\/wp\/v2\/posts\/6511\/revisions"}],"predecessor-version":[{"id":9019,"href":"https:\/\/www.esds.co.in\/blog\/wp-json\/wp\/v2\/posts\/6511\/revisions\/9019"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.esds.co.in\/blog\/wp-json\/wp\/v2\/media\/6512"}],"wp:attachment":[{"href":"https:\/\/www.esds.co.in\/blog\/wp-json\/wp\/v2\/media?parent=6511"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.esds.co.in\/blog\/wp-json\/wp\/v2\/categories?post=6511"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.esds.co.in\/blog\/wp-json\/wp\/v2\/tags?post=6511"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}