{"id":62347,"date":"2021-04-06T19:34:03","date_gmt":"2021-04-06T17:34:03","guid":{"rendered":"https:\/\/www.planet3dnow.de\/cms\/?p=62347"},"modified":"2021-04-06T19:34:03","modified_gmt":"2021-04-06T17:34:03","slug":"amd-linux-patches-zum-abschalten-von-predictive-store-forwarding-psf","status":"publish","type":"post","link":"https:\/\/www.planet3dnow.de\/cms\/62347-amd-linux-patches-zum-abschalten-von-predictive-store-forwarding-psf\/","title":{"rendered":"<span class=\"caps\">AMD<\/span>: Linux-Patches zum Abschalten von Predictive Store Forwarding (<span class=\"caps\">PSF<\/span>)"},"content":{"rendered":"<p>Wie Pho\u00adro\u00adnix berich\u00adtet hat <span class=\"caps\">AMD<\/span> Ker\u00adnel-Patches f\u00fcr Linux her\u00adaus\u00adge\u00adge\u00adben, mit denen die Funk\u00adti\u00adon Pre\u00addic\u00adti\u00adve Store For\u00adwar\u00adding (<span class=\"caps\">PSF<\/span>) abge\u00adschal\u00adtet wer\u00adden&nbsp;kann.&nbsp;<\/p>\n<p>In einem <a href=\"https:\/\/www.planet3dnow.de\/cms\/62327-amd-untersucht-eine-mit-zen-3-eingefuehrte-spectre-like-schwachstelle\/\">White\u00adpa\u00adper<\/a> hat\u00adte <span class=\"caps\">AMD<\/span> beschrie\u00adben, dass Pre\u00addic\u00adti\u00adve Store For\u00adwar\u00adding (<span class=\"caps\">PSF<\/span>) \u2014 eine Tech\u00adno\u00adlo\u00adgie, die ein\u00adge\u00adf\u00fchrt wur\u00adde, um Abh\u00e4n\u00adgig\u00adkei\u00adten zwi\u00adschen Load und Store auf\u00adzu\u00adl\u00f6\u00adsen und dem Pro\u00adzes\u00adsor damit die M\u00f6g\u00adlich\u00adkeit zu er\u00f6ff\u00adnen, spe\u00adku\u00adla\u00adtiv wei\u00adter vor\u00adaus\u00adzu\u00adrech\u00adnen mit dem Ziel, die Leis\u00adtung zu erh\u00f6\u00adhen \u2014 f\u00fcr einen Angrei\u00adfer zwei poten\u00adti\u00adel\u00adle M\u00f6g\u00adlich\u00adkei\u00adten schafft, \u2014 \u00e4hn\u00adlich wie bei Spect\u00adre <span class=\"caps\">V4<\/span> \u2014 \u00fcber Umwe\u00adge an Daten zu gelangen,<\/p>\n<p>Die Ker\u00adnel-Patches deak\u00adti\u00advie\u00adren die Funk\u00adti\u00adon aller\u00addings nicht, sie muss aktiv abge\u00adschal\u00adtet werden.&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Wie Pho\u00adro\u00adnix berich\u00adtet hat <span class=\"caps\">AMD<\/span> Ker\u00ad\u00adnel-Patches f\u00fcr Linux her\u00adaus\u00adge\u00adge\u00adben, mit denen die Funk\u00adti\u00adon Pre\u00addic\u00adti\u00adve Store For\u00adwar\u00adding (<span class=\"caps\">PSF<\/span>) abge\u00adschal\u00adtet wer\u00adden&nbsp;kann.&nbsp; In einem White\u00adpa\u00adper hat\u00adte <span class=\"caps\">AMD<\/span> beschrie\u00adben, dass Pre\u00addic\u00adti\u00adve Store For\u00adwar\u00adding (<span class=\"caps\">PSF<\/span>) \u2014 eine Tech\u00adno\u00adlo\u00adgie, die ein\u00adge\u00adf\u00fchrt wur\u00adde, um Abh\u00e4n\u00adgig\u00adkei\u00adten zwi\u00adschen Load und Store auf\u00adzu\u00adl\u00f6\u00adsen und dem Pro\u00adzes\u00adsor damit die M\u00f6g\u00adlich\u00adkeit zu er\u00f6ff\u00adnen, spe\u00adku\u00adla\u00adtiv wei\u00adter vor\u00adaus\u00adzu\u00adrech\u00adnen mit (\u2026) <a class=\"moretag\" href=\"https:\/\/www.planet3dnow.de\/cms\/62347-amd-linux-patches-zum-abschalten-von-predictive-store-forwarding-psf\/\">Wei\u00adter\u00adle\u00adsen&nbsp;\u00bb<\/a><\/p>\n","protected":false},"author":593,"featured_media":35751,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"aside","meta":{"wp_typography_post_enhancements_disabled":false,"ngg_post_thumbnail":0,"footnotes":""},"categories":[11],"tags":[966,985,2550,1309],"class_list":["post-62347","post","type-post","status-publish","format-aside","has-post-thumbnail","hentry","category-news","tag-amd","tag-linux","tag-psf","tag-zen-3","post_format-post-format-aside","entry"],"share_on_mastodon":{"url":"","error":""},"_links":{"self":[{"href":"https:\/\/www.planet3dnow.de\/cms\/wp-json\/wp\/v2\/posts\/62347","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.planet3dnow.de\/cms\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.planet3dnow.de\/cms\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.planet3dnow.de\/cms\/wp-json\/wp\/v2\/users\/593"}],"replies":[{"embeddable":true,"href":"https:\/\/www.planet3dnow.de\/cms\/wp-json\/wp\/v2\/comments?post=62347"}],"version-history":[{"count":2,"href":"https:\/\/www.planet3dnow.de\/cms\/wp-json\/wp\/v2\/posts\/62347\/revisions"}],"predecessor-version":[{"id":62349,"href":"https:\/\/www.planet3dnow.de\/cms\/wp-json\/wp\/v2\/posts\/62347\/revisions\/62349"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.planet3dnow.de\/cms\/wp-json\/wp\/v2\/media\/35751"}],"wp:attachment":[{"href":"https:\/\/www.planet3dnow.de\/cms\/wp-json\/wp\/v2\/media?parent=62347"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.planet3dnow.de\/cms\/wp-json\/wp\/v2\/categories?post=62347"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.planet3dnow.de\/cms\/wp-json\/wp\/v2\/tags?post=62347"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}