{"id":1237455,"date":"2025-03-06T09:24:03","date_gmt":"2025-03-06T14:24:03","guid":{"rendered":"https:\/\/www.prime-wow.com\/?p=1237455"},"modified":"2025-03-06T09:24:03","modified_gmt":"2025-03-06T14:24:03","slug":"timer-ids-criu-and-abi-challenges","status":"publish","type":"post","link":"https:\/\/www.prime-wow.com\/?p=1237455","title":{"rendered":"[$] Timer IDs, CRIU, and ABI challenges"},"content":{"rendered":"<div>The kernel project has usually been willing to make fundamental internal<br \/>\nchanges if they lead to a better kernel in the end.  The project also,<br \/>\nthough, goes out of its way to avoid breaking interfaces that have been<br \/>\nexposed to user space, even if programs come to rely on behavior that was<br \/>\nnever documented.  Sometimes, those two principles come into conflict,<br \/>\nleading to a situation where fixing problems within the kernel is either<br \/>\ndifficult or impossible.  This sort of situation has been impeding<br \/>\nperformance improvements in the kernel&#8217;s POSIX timers implementation for<br \/>\nsome time, but it appears that a solution has been found.<\/div>\n","protected":false},"excerpt":{"rendered":"<p>The kernel project has usually been willing to make fundamental internal changes if they lead to a better kernel in the end. The project also, though, goes out of its way to avoid breaking interfaces that have been exposed to &hellip; <a href=\"https:\/\/www.prime-wow.com\/?p=1237455\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"ngg_post_thumbnail":0,"footnotes":""},"categories":[72,116,110],"tags":[],"class_list":["post-1237455","post","type-post","status-publish","format-standard","hentry","category-linux","category-lwn-net","category-unfiltered-rss"],"_links":{"self":[{"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=\/wp\/v2\/posts\/1237455","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=1237455"}],"version-history":[{"count":0,"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=\/wp\/v2\/posts\/1237455\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1237455"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1237455"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.prime-wow.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1237455"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}