{"id":1168216,"date":"2023-08-04T10:26:20","date_gmt":"2023-08-04T14:26:20","guid":{"rendered":"https:\/\/www.prime-wow.com\/?p=1168216"},"modified":"2023-08-04T10:26:20","modified_gmt":"2023-08-04T14:26:20","slug":"beginning-the-software-interrupt-lock-pushdown","status":"publish","type":"post","link":"https:\/\/www.prime-wow.com\/?p=1168216","title":{"rendered":"[$] Beginning the software-interrupt lock pushdown"},"content":{"rendered":"<p>The big kernel lock (BKL) is a distant memory now but, for years, it was<br \/>\none of the more intractable problems faced by the kernel development<br \/>\ncommunity.  The end of the BKL does not mean that the kernel is without<br \/>\nproblematic locks, however.  In recent times, some attention has been paid<br \/>\nto the software-interrupt (or &#8220;bottom half&#8221;) lock, which can create latency<br \/>\nproblems, especially on realtime systems.  Frederic Weisbecker is taking a<br \/>\nnew tack in his campaign to cut this lock down to size, with an approach<br \/>\nbased on how the BKL was eventually removed.&#013;<br \/>\n&#013;<br \/>\nSource: LWN.net &#8211; <a href=\"https:\/\/lwn.net\/Articles\/939973\/\" target=\"_blank\" rel=\"noopener\">[$] Beginning the software-interrupt lock pushdown<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>The big kernel lock (BKL) is a distant memory now but, for years, it was one of the more intractable problems faced by the kernel development community. The end of the BKL does not mean that the kernel is without &hellip; <a href=\"https:\/\/www.prime-wow.com\/?p=1168216\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[72],"tags":[75],"class_list":["post-1168216","post","type-post","status-publish","format-standard","hentry","category-linux","tag-linux"],"_links":{"self":[{"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=\/wp\/v2\/posts\/1168216","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1168216"}],"version-history":[{"count":0,"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=\/wp\/v2\/posts\/1168216\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1168216"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1168216"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1168216"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}