mirror of
https://github.com/cirosantilli/linux-kernel-module-cheat.git
synced 2026-01-24 18:51:36 +01:00
559 lines
35 KiB
HTML
559 lines
35 KiB
HTML
<!DOCTYPE html>
|
||
<html lang="en">
|
||
<head>
|
||
<meta charset="UTF-8">
|
||
<meta http-equiv="X-UA-Compatible" content="IE=edge">
|
||
<meta name="viewport" content="width=device-width, initial-scale=1.0">
|
||
<meta name="generator" content="Asciidoctor 2.0.11">
|
||
<meta name="description" content="The perfect emulation setup to study and develop the <<linux-kernel>> v5.9.2, kernel modules, <<qemu-buildroot-setup,QEMU>>, <<gem5-buildroot-setup,gem5>> and x86_64, ARMv7 and ARMv8 <<userland-assembly,userland>> and <<baremetal-setup,baremetal>> assembly, <<c,ANSI C>>, <<cpp,C++>> and <<posix,POSIX>>. <<gdb>> and <<kgdb>> just work. Powered by <<about-the-qemu-buildroot-setup,Buildroot>> and <<about-the-baremetal-setup,crosstool-NG>>. Highly automated. Thoroughly documented. Automated <<test-this-repo,tests>>. "Tested" in an Ubuntu 20.04 host.">
|
||
<title>Linux Kernel Module Cheat</title>
|
||
<link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Open+Sans:300,300italic,400,400italic,600,600italic%7CNoto+Serif:400,400italic,700,700italic%7CDroid+Sans+Mono:400,700">
|
||
<style>
|
||
/* Asciidoctor default stylesheet | MIT License | https://asciidoctor.org */
|
||
/* Uncomment @import statement to use as custom stylesheet */
|
||
/*@import "https://fonts.googleapis.com/css?family=Open+Sans:300,300italic,400,400italic,600,600italic%7CNoto+Serif:400,400italic,700,700italic%7CDroid+Sans+Mono:400,700";*/
|
||
article,aside,details,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}
|
||
audio,video{display:inline-block}
|
||
audio:not([controls]){display:none;height:0}
|
||
html{font-family:sans-serif;-ms-text-size-adjust:100%;-webkit-text-size-adjust:100%}
|
||
a{background:none}
|
||
a:focus{outline:thin dotted}
|
||
a:active,a:hover{outline:0}
|
||
h1{font-size:2em;margin:.67em 0}
|
||
abbr[title]{border-bottom:1px dotted}
|
||
b,strong{font-weight:bold}
|
||
dfn{font-style:italic}
|
||
hr{-moz-box-sizing:content-box;box-sizing:content-box;height:0}
|
||
mark{background:#ff0;color:#000}
|
||
code,kbd,pre,samp{font-family:monospace;font-size:1em}
|
||
pre{white-space:pre-wrap}
|
||
q{quotes:"\201C" "\201D" "\2018" "\2019"}
|
||
small{font-size:80%}
|
||
sub,sup{font-size:75%;line-height:0;position:relative;vertical-align:baseline}
|
||
sup{top:-.5em}
|
||
sub{bottom:-.25em}
|
||
img{border:0}
|
||
svg:not(:root){overflow:hidden}
|
||
figure{margin:0}
|
||
fieldset{border:1px solid silver;margin:0 2px;padding:.35em .625em .75em}
|
||
legend{border:0;padding:0}
|
||
button,input,select,textarea{font-family:inherit;font-size:100%;margin:0}
|
||
button,input{line-height:normal}
|
||
button,select{text-transform:none}
|
||
button,html input[type="button"],input[type="reset"],input[type="submit"]{-webkit-appearance:button;cursor:pointer}
|
||
button[disabled],html input[disabled]{cursor:default}
|
||
input[type="checkbox"],input[type="radio"]{box-sizing:border-box;padding:0}
|
||
button::-moz-focus-inner,input::-moz-focus-inner{border:0;padding:0}
|
||
textarea{overflow:auto;vertical-align:top}
|
||
table{border-collapse:collapse;border-spacing:0}
|
||
*,*::before,*::after{-moz-box-sizing:border-box;-webkit-box-sizing:border-box;box-sizing:border-box}
|
||
html,body{font-size:100%}
|
||
body{background:#fff;color:rgba(0,0,0,.8);padding:0;margin:0;font-family:"Noto Serif","DejaVu Serif",serif;font-weight:400;font-style:normal;line-height:1;position:relative;cursor:auto;tab-size:4;word-wrap:anywhere;-moz-osx-font-smoothing:grayscale;-webkit-font-smoothing:antialiased}
|
||
a:hover{cursor:pointer}
|
||
img,object,embed{max-width:100%;height:auto}
|
||
object,embed{height:100%}
|
||
img{-ms-interpolation-mode:bicubic}
|
||
.left{float:left!important}
|
||
.right{float:right!important}
|
||
.text-left{text-align:left!important}
|
||
.text-right{text-align:right!important}
|
||
.text-center{text-align:center!important}
|
||
.text-justify{text-align:justify!important}
|
||
.hide{display:none}
|
||
img,object,svg{display:inline-block;vertical-align:middle}
|
||
textarea{height:auto;min-height:50px}
|
||
select{width:100%}
|
||
.subheader,.admonitionblock td.content>.title,.audioblock>.title,.exampleblock>.title,.imageblock>.title,.listingblock>.title,.literalblock>.title,.stemblock>.title,.openblock>.title,.paragraph>.title,.quoteblock>.title,table.tableblock>.title,.verseblock>.title,.videoblock>.title,.dlist>.title,.olist>.title,.ulist>.title,.qlist>.title,.hdlist>.title{line-height:1.45;color:#7a2518;font-weight:400;margin-top:0;margin-bottom:.25em}
|
||
div,dl,dt,dd,ul,ol,li,h1,h2,h3,#toctitle,.sidebarblock>.content>.title,h4,h5,h6,pre,form,p,blockquote,th,td{margin:0;padding:0}
|
||
a{color:#2156a5;text-decoration:underline;line-height:inherit}
|
||
a:hover,a:focus{color:#1d4b8f}
|
||
a img{border:0}
|
||
p{font-family:inherit;font-weight:400;font-size:1em;line-height:1.6;margin-bottom:1.25em;text-rendering:optimizeLegibility}
|
||
p aside{font-size:.875em;line-height:1.35;font-style:italic}
|
||
h1,h2,h3,#toctitle,.sidebarblock>.content>.title,h4,h5,h6{font-family:"Open Sans","DejaVu Sans",sans-serif;font-weight:300;font-style:normal;color:#ba3925;text-rendering:optimizeLegibility;margin-top:1em;margin-bottom:.5em;line-height:1.0125em}
|
||
h1 small,h2 small,h3 small,#toctitle small,.sidebarblock>.content>.title small,h4 small,h5 small,h6 small{font-size:60%;color:#e99b8f;line-height:0}
|
||
h1{font-size:2.125em}
|
||
h2{font-size:1.6875em}
|
||
h3,#toctitle,.sidebarblock>.content>.title{font-size:1.375em}
|
||
h4,h5{font-size:1.125em}
|
||
h6{font-size:1em}
|
||
hr{border:solid #dddddf;border-width:1px 0 0;clear:both;margin:1.25em 0 1.1875em;height:0}
|
||
em,i{font-style:italic;line-height:inherit}
|
||
strong,b{font-weight:bold;line-height:inherit}
|
||
small{font-size:60%;line-height:inherit}
|
||
code{font-family:"Droid Sans Mono","DejaVu Sans Mono",monospace;font-weight:400;color:rgba(0,0,0,.9)}
|
||
ul,ol,dl{font-size:1em;line-height:1.6;margin-bottom:1.25em;list-style-position:outside;font-family:inherit}
|
||
ul,ol{margin-left:1.5em}
|
||
ul li ul,ul li ol{margin-left:1.25em;margin-bottom:0;font-size:1em}
|
||
ul.square li ul,ul.circle li ul,ul.disc li ul{list-style:inherit}
|
||
ul.square{list-style-type:square}
|
||
ul.circle{list-style-type:circle}
|
||
ul.disc{list-style-type:disc}
|
||
ol li ul,ol li ol{margin-left:1.25em;margin-bottom:0}
|
||
dl dt{margin-bottom:.3125em;font-weight:bold}
|
||
dl dd{margin-bottom:1.25em}
|
||
abbr,acronym{text-transform:uppercase;font-size:90%;color:rgba(0,0,0,.8);border-bottom:1px dotted #ddd;cursor:help}
|
||
abbr{text-transform:none}
|
||
blockquote{margin:0 0 1.25em;padding:.5625em 1.25em 0 1.1875em;border-left:1px solid #ddd}
|
||
blockquote cite{display:block;font-size:.9375em;color:rgba(0,0,0,.6)}
|
||
blockquote cite::before{content:"\2014 \0020"}
|
||
blockquote cite a,blockquote cite a:visited{color:rgba(0,0,0,.6)}
|
||
blockquote,blockquote p{line-height:1.6;color:rgba(0,0,0,.85)}
|
||
@media screen and (min-width:768px){h1,h2,h3,#toctitle,.sidebarblock>.content>.title,h4,h5,h6{line-height:1.2}
|
||
h1{font-size:2.75em}
|
||
h2{font-size:2.3125em}
|
||
h3,#toctitle,.sidebarblock>.content>.title{font-size:1.6875em}
|
||
h4{font-size:1.4375em}}
|
||
table{background:#fff;margin-bottom:1.25em;border:solid 1px #dedede}
|
||
table thead,table tfoot{background:#f7f8f7}
|
||
table thead tr th,table thead tr td,table tfoot tr th,table tfoot tr td{padding:.5em .625em .625em;font-size:inherit;color:rgba(0,0,0,.8);text-align:left}
|
||
table tr th,table tr td{padding:.5625em .625em;font-size:inherit;color:rgba(0,0,0,.8)}
|
||
table tr.even,table tr.alt{background:#f8f8f7}
|
||
table thead tr th,table tfoot tr th,table tbody tr td,table tr td,table tfoot tr td{display:table-cell;line-height:1.6}
|
||
h1,h2,h3,#toctitle,.sidebarblock>.content>.title,h4,h5,h6{line-height:1.2;word-spacing:-.05em}
|
||
h1 strong,h2 strong,h3 strong,#toctitle strong,.sidebarblock>.content>.title strong,h4 strong,h5 strong,h6 strong{font-weight:400}
|
||
.center{margin-left:auto;margin-right:auto}
|
||
.stretch{width:100%}
|
||
.clearfix::before,.clearfix::after,.float-group::before,.float-group::after{content:" ";display:table}
|
||
.clearfix::after,.float-group::after{clear:both}
|
||
:not(pre).nobreak{word-wrap:normal}
|
||
:not(pre).nowrap{white-space:nowrap}
|
||
:not(pre).pre-wrap{white-space:pre-wrap}
|
||
:not(pre):not([class^=L])>code{font-size:.9375em;font-style:normal!important;letter-spacing:0;padding:.1em .5ex;word-spacing:-.15em;background:#f7f7f8;-webkit-border-radius:4px;border-radius:4px;line-height:1.45;text-rendering:optimizeSpeed}
|
||
pre{color:rgba(0,0,0,.9);font-family:"Droid Sans Mono","DejaVu Sans Mono",monospace;line-height:1.45;text-rendering:optimizeSpeed}
|
||
pre code,pre pre{color:inherit;font-size:inherit;line-height:inherit}
|
||
pre>code{display:block}
|
||
pre.nowrap,pre.nowrap pre{white-space:pre;word-wrap:normal}
|
||
em em{font-style:normal}
|
||
strong strong{font-weight:400}
|
||
.keyseq{color:rgba(51,51,51,.8)}
|
||
kbd{font-family:"Droid Sans Mono","DejaVu Sans Mono",monospace;display:inline-block;color:rgba(0,0,0,.8);font-size:.65em;line-height:1.45;background:#f7f7f7;border:1px solid #ccc;-webkit-border-radius:3px;border-radius:3px;-webkit-box-shadow:0 1px 0 rgba(0,0,0,.2),0 0 0 .1em white inset;box-shadow:0 1px 0 rgba(0,0,0,.2),0 0 0 .1em #fff inset;margin:0 .15em;padding:.2em .5em;vertical-align:middle;position:relative;top:-.1em;white-space:nowrap}
|
||
.keyseq kbd:first-child{margin-left:0}
|
||
.keyseq kbd:last-child{margin-right:0}
|
||
.menuseq,.menuref{color:#000}
|
||
.menuseq b:not(.caret),.menuref{font-weight:inherit}
|
||
.menuseq{word-spacing:-.02em}
|
||
.menuseq b.caret{font-size:1.25em;line-height:.8}
|
||
.menuseq i.caret{font-weight:bold;text-align:center;width:.45em}
|
||
b.button::before,b.button::after{position:relative;top:-1px;font-weight:400}
|
||
b.button::before{content:"[";padding:0 3px 0 2px}
|
||
b.button::after{content:"]";padding:0 2px 0 3px}
|
||
p a>code:hover{color:rgba(0,0,0,.9)}
|
||
#header,#content,#footnotes,#footer{width:100%;margin-left:auto;margin-right:auto;margin-top:0;margin-bottom:0;max-width:62.5em;*zoom:1;position:relative;padding-left:.9375em;padding-right:.9375em}
|
||
#header::before,#header::after,#content::before,#content::after,#footnotes::before,#footnotes::after,#footer::before,#footer::after{content:" ";display:table}
|
||
#header::after,#content::after,#footnotes::after,#footer::after{clear:both}
|
||
#content{margin-top:1.25em}
|
||
#content::before{content:none}
|
||
#header>h1:first-child{color:rgba(0,0,0,.85);margin-top:2.25rem;margin-bottom:0}
|
||
#header>h1:first-child+#toc{margin-top:8px;border-top:1px solid #dddddf}
|
||
#header>h1:only-child,body.toc2 #header>h1:nth-last-child(2){border-bottom:1px solid #dddddf;padding-bottom:8px}
|
||
#header .details{border-bottom:1px solid #dddddf;line-height:1.45;padding-top:.25em;padding-bottom:.25em;padding-left:.25em;color:rgba(0,0,0,.6);display:-ms-flexbox;display:-webkit-flex;display:flex;-ms-flex-flow:row wrap;-webkit-flex-flow:row wrap;flex-flow:row wrap}
|
||
#header .details span:first-child{margin-left:-.125em}
|
||
#header .details span.email a{color:rgba(0,0,0,.85)}
|
||
#header .details br{display:none}
|
||
#header .details br+span::before{content:"\00a0\2013\00a0"}
|
||
#header .details br+span.author::before{content:"\00a0\22c5\00a0";color:rgba(0,0,0,.85)}
|
||
#header .details br+span#revremark::before{content:"\00a0|\00a0"}
|
||
#header #revnumber{text-transform:capitalize}
|
||
#header #revnumber::after{content:"\00a0"}
|
||
#content>h1:first-child:not([class]){color:rgba(0,0,0,.85);border-bottom:1px solid #dddddf;padding-bottom:8px;margin-top:0;padding-top:1rem;margin-bottom:1.25rem}
|
||
#toc{border-bottom:1px solid #e7e7e9;padding-bottom:.5em}
|
||
#toc>ul{margin-left:.125em}
|
||
#toc ul.sectlevel0>li>a{font-style:italic}
|
||
#toc ul.sectlevel0 ul.sectlevel1{margin:.5em 0}
|
||
#toc ul{font-family:"Open Sans","DejaVu Sans",sans-serif;list-style-type:none}
|
||
#toc li{line-height:1.3334;margin-top:.3334em}
|
||
#toc a{text-decoration:none}
|
||
#toc a:active{text-decoration:underline}
|
||
#toctitle{color:#7a2518;font-size:1.2em}
|
||
@media screen and (min-width:768px){#toctitle{font-size:1.375em}
|
||
body.toc2{padding-left:15em;padding-right:0}
|
||
#toc.toc2{margin-top:0!important;background:#f8f8f7;position:fixed;width:15em;left:0;top:0;border-right:1px solid #e7e7e9;border-top-width:0!important;border-bottom-width:0!important;z-index:1000;padding:1.25em 1em;height:100%;overflow:auto}
|
||
#toc.toc2 #toctitle{margin-top:0;margin-bottom:.8rem;font-size:1.2em}
|
||
#toc.toc2>ul{font-size:.9em;margin-bottom:0}
|
||
#toc.toc2 ul ul{margin-left:0;padding-left:1em}
|
||
#toc.toc2 ul.sectlevel0 ul.sectlevel1{padding-left:0;margin-top:.5em;margin-bottom:.5em}
|
||
body.toc2.toc-right{padding-left:0;padding-right:15em}
|
||
body.toc2.toc-right #toc.toc2{border-right-width:0;border-left:1px solid #e7e7e9;left:auto;right:0}}
|
||
@media screen and (min-width:1280px){body.toc2{padding-left:20em;padding-right:0}
|
||
#toc.toc2{width:20em}
|
||
#toc.toc2 #toctitle{font-size:1.375em}
|
||
#toc.toc2>ul{font-size:.95em}
|
||
#toc.toc2 ul ul{padding-left:1.25em}
|
||
body.toc2.toc-right{padding-left:0;padding-right:20em}}
|
||
#content #toc{border-style:solid;border-width:1px;border-color:#e0e0dc;margin-bottom:1.25em;padding:1.25em;background:#f8f8f7;-webkit-border-radius:4px;border-radius:4px}
|
||
#content #toc>:first-child{margin-top:0}
|
||
#content #toc>:last-child{margin-bottom:0}
|
||
#footer{max-width:none;background:rgba(0,0,0,.8);padding:1.25em}
|
||
#footer-text{color:rgba(255,255,255,.8);line-height:1.44}
|
||
#content{margin-bottom:.625em}
|
||
.sect1{padding-bottom:.625em}
|
||
@media screen and (min-width:768px){#content{margin-bottom:1.25em}
|
||
.sect1{padding-bottom:1.25em}}
|
||
.sect1:last-child{padding-bottom:0}
|
||
.sect1+.sect1{border-top:1px solid #e7e7e9}
|
||
#content h1>a.anchor,h2>a.anchor,h3>a.anchor,#toctitle>a.anchor,.sidebarblock>.content>.title>a.anchor,h4>a.anchor,h5>a.anchor,h6>a.anchor{position:absolute;z-index:1001;width:1.5ex;margin-left:-1.5ex;display:block;text-decoration:none!important;visibility:hidden;text-align:center;font-weight:400}
|
||
#content h1>a.anchor::before,h2>a.anchor::before,h3>a.anchor::before,#toctitle>a.anchor::before,.sidebarblock>.content>.title>a.anchor::before,h4>a.anchor::before,h5>a.anchor::before,h6>a.anchor::before{content:"\00A7";font-size:.85em;display:block;padding-top:.1em}
|
||
#content h1:hover>a.anchor,#content h1>a.anchor:hover,h2:hover>a.anchor,h2>a.anchor:hover,h3:hover>a.anchor,#toctitle:hover>a.anchor,.sidebarblock>.content>.title:hover>a.anchor,h3>a.anchor:hover,#toctitle>a.anchor:hover,.sidebarblock>.content>.title>a.anchor:hover,h4:hover>a.anchor,h4>a.anchor:hover,h5:hover>a.anchor,h5>a.anchor:hover,h6:hover>a.anchor,h6>a.anchor:hover{visibility:visible}
|
||
#content h1>a.link,h2>a.link,h3>a.link,#toctitle>a.link,.sidebarblock>.content>.title>a.link,h4>a.link,h5>a.link,h6>a.link{color:#ba3925;text-decoration:none}
|
||
#content h1>a.link:hover,h2>a.link:hover,h3>a.link:hover,#toctitle>a.link:hover,.sidebarblock>.content>.title>a.link:hover,h4>a.link:hover,h5>a.link:hover,h6>a.link:hover{color:#a53221}
|
||
details,.audioblock,.imageblock,.literalblock,.listingblock,.stemblock,.videoblock{margin-bottom:1.25em}
|
||
details>summary:first-of-type{cursor:pointer;display:list-item;outline:none;margin-bottom:.75em}
|
||
.admonitionblock td.content>.title,.audioblock>.title,.exampleblock>.title,.imageblock>.title,.listingblock>.title,.literalblock>.title,.stemblock>.title,.openblock>.title,.paragraph>.title,.quoteblock>.title,table.tableblock>.title,.verseblock>.title,.videoblock>.title,.dlist>.title,.olist>.title,.ulist>.title,.qlist>.title,.hdlist>.title{text-rendering:optimizeLegibility;text-align:left;font-family:"Noto Serif","DejaVu Serif",serif;font-size:1rem;font-style:italic}
|
||
table.tableblock.fit-content>caption.title{white-space:nowrap;width:0}
|
||
.paragraph.lead>p,#preamble>.sectionbody>[class="paragraph"]:first-of-type p{font-size:1.21875em;line-height:1.6;color:rgba(0,0,0,.85)}
|
||
table.tableblock #preamble>.sectionbody>[class="paragraph"]:first-of-type p{font-size:inherit}
|
||
.admonitionblock>table{border-collapse:separate;border:0;background:none;width:100%}
|
||
.admonitionblock>table td.icon{text-align:center;width:80px}
|
||
.admonitionblock>table td.icon img{max-width:none}
|
||
.admonitionblock>table td.icon .title{font-weight:bold;font-family:"Open Sans","DejaVu Sans",sans-serif;text-transform:uppercase}
|
||
.admonitionblock>table td.content{padding-left:1.125em;padding-right:1.25em;border-left:1px solid #dddddf;color:rgba(0,0,0,.6)}
|
||
.admonitionblock>table td.content>:last-child>:last-child{margin-bottom:0}
|
||
.exampleblock>.content{border-style:solid;border-width:1px;border-color:#e6e6e6;margin-bottom:1.25em;padding:1.25em;background:#fff;-webkit-border-radius:4px;border-radius:4px}
|
||
.exampleblock>.content>:first-child{margin-top:0}
|
||
.exampleblock>.content>:last-child{margin-bottom:0}
|
||
.sidebarblock{border-style:solid;border-width:1px;border-color:#dbdbd6;margin-bottom:1.25em;padding:1.25em;background:#f3f3f2;-webkit-border-radius:4px;border-radius:4px}
|
||
.sidebarblock>:first-child{margin-top:0}
|
||
.sidebarblock>:last-child{margin-bottom:0}
|
||
.sidebarblock>.content>.title{color:#7a2518;margin-top:0;text-align:center}
|
||
.exampleblock>.content>:last-child>:last-child,.exampleblock>.content .olist>ol>li:last-child>:last-child,.exampleblock>.content .ulist>ul>li:last-child>:last-child,.exampleblock>.content .qlist>ol>li:last-child>:last-child,.sidebarblock>.content>:last-child>:last-child,.sidebarblock>.content .olist>ol>li:last-child>:last-child,.sidebarblock>.content .ulist>ul>li:last-child>:last-child,.sidebarblock>.content .qlist>ol>li:last-child>:last-child{margin-bottom:0}
|
||
.literalblock pre,.listingblock>.content>pre{-webkit-border-radius:4px;border-radius:4px;overflow-x:auto;padding:1em;font-size:.8125em}
|
||
@media screen and (min-width:768px){.literalblock pre,.listingblock>.content>pre{font-size:.90625em}}
|
||
@media screen and (min-width:1280px){.literalblock pre,.listingblock>.content>pre{font-size:1em}}
|
||
.literalblock pre,.listingblock>.content>pre:not(.highlight),.listingblock>.content>pre[class="highlight"],.listingblock>.content>pre[class^="highlight "]{background:#f7f7f8}
|
||
.literalblock.output pre{color:#f7f7f8;background:rgba(0,0,0,.9)}
|
||
.listingblock>.content{position:relative}
|
||
.listingblock code[data-lang]::before{display:none;content:attr(data-lang);position:absolute;font-size:.75em;top:.425rem;right:.5rem;line-height:1;text-transform:uppercase;color:inherit;opacity:.5}
|
||
.listingblock:hover code[data-lang]::before{display:block}
|
||
.listingblock.terminal pre .command::before{content:attr(data-prompt);padding-right:.5em;color:inherit;opacity:.5}
|
||
.listingblock.terminal pre .command:not([data-prompt])::before{content:"$"}
|
||
.listingblock pre.highlightjs{padding:0}
|
||
.listingblock pre.highlightjs>code{padding:1em;-webkit-border-radius:4px;border-radius:4px}
|
||
.listingblock pre.prettyprint{border-width:0}
|
||
.prettyprint{background:#f7f7f8}
|
||
pre.prettyprint .linenums{line-height:1.45;margin-left:2em}
|
||
pre.prettyprint li{background:none;list-style-type:inherit;padding-left:0}
|
||
pre.prettyprint li code[data-lang]::before{opacity:1}
|
||
pre.prettyprint li:not(:first-child) code[data-lang]::before{display:none}
|
||
table.linenotable{border-collapse:separate;border:0;margin-bottom:0;background:none}
|
||
table.linenotable td[class]{color:inherit;vertical-align:top;padding:0;line-height:inherit;white-space:normal}
|
||
table.linenotable td.code{padding-left:.75em}
|
||
table.linenotable td.linenos{border-right:1px solid currentColor;opacity:.35;padding-right:.5em}
|
||
pre.pygments .lineno{border-right:1px solid currentColor;opacity:.35;display:inline-block;margin-right:.75em}
|
||
pre.pygments .lineno::before{content:"";margin-right:-.125em}
|
||
.quoteblock{margin:0 1em 1.25em 1.5em;display:table}
|
||
.quoteblock:not(.excerpt)>.title{margin-left:-1.5em;margin-bottom:.75em}
|
||
.quoteblock blockquote,.quoteblock p{color:rgba(0,0,0,.85);font-size:1.15rem;line-height:1.75;word-spacing:.1em;letter-spacing:0;font-style:italic;text-align:justify}
|
||
.quoteblock blockquote{margin:0;padding:0;border:0}
|
||
.quoteblock blockquote::before{content:"\201c";float:left;font-size:2.75em;font-weight:bold;line-height:.6em;margin-left:-.6em;color:#7a2518;text-shadow:0 1px 2px rgba(0,0,0,.1)}
|
||
.quoteblock blockquote>.paragraph:last-child p{margin-bottom:0}
|
||
.quoteblock .attribution{margin-top:.75em;margin-right:.5ex;text-align:right}
|
||
.verseblock{margin:0 1em 1.25em}
|
||
.verseblock pre{font-family:"Open Sans","DejaVu Sans",sans;font-size:1.15rem;color:rgba(0,0,0,.85);font-weight:300;text-rendering:optimizeLegibility}
|
||
.verseblock pre strong{font-weight:400}
|
||
.verseblock .attribution{margin-top:1.25rem;margin-left:.5ex}
|
||
.quoteblock .attribution,.verseblock .attribution{font-size:.9375em;line-height:1.45;font-style:italic}
|
||
.quoteblock .attribution br,.verseblock .attribution br{display:none}
|
||
.quoteblock .attribution cite,.verseblock .attribution cite{display:block;letter-spacing:-.025em;color:rgba(0,0,0,.6)}
|
||
.quoteblock.abstract blockquote::before,.quoteblock.excerpt blockquote::before,.quoteblock .quoteblock blockquote::before{display:none}
|
||
.quoteblock.abstract blockquote,.quoteblock.abstract p,.quoteblock.excerpt blockquote,.quoteblock.excerpt p,.quoteblock .quoteblock blockquote,.quoteblock .quoteblock p{line-height:1.6;word-spacing:0}
|
||
.quoteblock.abstract{margin:0 1em 1.25em;display:block}
|
||
.quoteblock.abstract>.title{margin:0 0 .375em;font-size:1.15em;text-align:center}
|
||
.quoteblock.excerpt>blockquote,.quoteblock .quoteblock{padding:0 0 .25em 1em;border-left:.25em solid #dddddf}
|
||
.quoteblock.excerpt,.quoteblock .quoteblock{margin-left:0}
|
||
.quoteblock.excerpt blockquote,.quoteblock.excerpt p,.quoteblock .quoteblock blockquote,.quoteblock .quoteblock p{color:inherit;font-size:1.0625rem}
|
||
.quoteblock.excerpt .attribution,.quoteblock .quoteblock .attribution{color:inherit;text-align:left;margin-right:0}
|
||
table.tableblock{max-width:100%}
|
||
p.tableblock:last-child{margin-bottom:0}
|
||
td.tableblock>.content{margin-bottom:1.25em}
|
||
td.tableblock>.content>:last-child{margin-bottom:-1.25em}
|
||
table.tableblock,th.tableblock,td.tableblock{border:0 solid #dedede}
|
||
table.grid-all>*>tr>*{border-width:1px}
|
||
table.grid-cols>*>tr>*{border-width:0 1px}
|
||
table.grid-rows>*>tr>*{border-width:1px 0}
|
||
table.frame-all{border-width:1px}
|
||
table.frame-ends{border-width:1px 0}
|
||
table.frame-sides{border-width:0 1px}
|
||
table.frame-none>colgroup+*>:first-child>*,table.frame-sides>colgroup+*>:first-child>*{border-top-width:0}
|
||
table.frame-none>:last-child>:last-child>*,table.frame-sides>:last-child>:last-child>*{border-bottom-width:0}
|
||
table.frame-none>*>tr>:first-child,table.frame-ends>*>tr>:first-child{border-left-width:0}
|
||
table.frame-none>*>tr>:last-child,table.frame-ends>*>tr>:last-child{border-right-width:0}
|
||
table.stripes-all tr,table.stripes-odd tr:nth-of-type(odd),table.stripes-even tr:nth-of-type(even),table.stripes-hover tr:hover{background:#f8f8f7}
|
||
th.halign-left,td.halign-left{text-align:left}
|
||
th.halign-right,td.halign-right{text-align:right}
|
||
th.halign-center,td.halign-center{text-align:center}
|
||
th.valign-top,td.valign-top{vertical-align:top}
|
||
th.valign-bottom,td.valign-bottom{vertical-align:bottom}
|
||
th.valign-middle,td.valign-middle{vertical-align:middle}
|
||
table thead th,table tfoot th{font-weight:bold}
|
||
tbody tr th{display:table-cell;line-height:1.6;background:#f7f8f7}
|
||
tbody tr th,tbody tr th p,tfoot tr th,tfoot tr th p{color:rgba(0,0,0,.8);font-weight:bold}
|
||
p.tableblock>code:only-child{background:none;padding:0}
|
||
p.tableblock{font-size:1em}
|
||
ol{margin-left:1.75em}
|
||
ul li ol{margin-left:1.5em}
|
||
dl dd{margin-left:1.125em}
|
||
dl dd:last-child,dl dd:last-child>:last-child{margin-bottom:0}
|
||
ol>li p,ul>li p,ul dd,ol dd,.olist .olist,.ulist .ulist,.ulist .olist,.olist .ulist{margin-bottom:.625em}
|
||
ul.checklist,ul.none,ol.none,ul.no-bullet,ol.no-bullet,ol.unnumbered,ul.unstyled,ol.unstyled{list-style-type:none}
|
||
ul.no-bullet,ol.no-bullet,ol.unnumbered{margin-left:.625em}
|
||
ul.unstyled,ol.unstyled{margin-left:0}
|
||
ul.checklist{margin-left:.625em}
|
||
ul.checklist li>p:first-child>.fa-square-o:first-child,ul.checklist li>p:first-child>.fa-check-square-o:first-child{width:1.25em;font-size:.8em;position:relative;bottom:.125em}
|
||
ul.checklist li>p:first-child>input[type="checkbox"]:first-child{margin-right:.25em}
|
||
ul.inline{display:-ms-flexbox;display:-webkit-box;display:flex;-ms-flex-flow:row wrap;-webkit-flex-flow:row wrap;flex-flow:row wrap;list-style:none;margin:0 0 .625em -1.25em}
|
||
ul.inline>li{margin-left:1.25em}
|
||
.unstyled dl dt{font-weight:400;font-style:normal}
|
||
ol.arabic{list-style-type:decimal}
|
||
ol.decimal{list-style-type:decimal-leading-zero}
|
||
ol.loweralpha{list-style-type:lower-alpha}
|
||
ol.upperalpha{list-style-type:upper-alpha}
|
||
ol.lowerroman{list-style-type:lower-roman}
|
||
ol.upperroman{list-style-type:upper-roman}
|
||
ol.lowergreek{list-style-type:lower-greek}
|
||
.hdlist>table,.colist>table{border:0;background:none}
|
||
.hdlist>table>tbody>tr,.colist>table>tbody>tr{background:none}
|
||
td.hdlist1,td.hdlist2{vertical-align:top;padding:0 .625em}
|
||
td.hdlist1{font-weight:bold;padding-bottom:1.25em}
|
||
.literalblock+.colist,.listingblock+.colist{margin-top:-.5em}
|
||
.colist td:not([class]):first-child{padding:.4em .75em 0;line-height:1;vertical-align:top}
|
||
.colist td:not([class]):first-child img{max-width:none}
|
||
.colist td:not([class]):last-child{padding:.25em 0}
|
||
.thumb,.th{line-height:0;display:inline-block;border:solid 4px #fff;-webkit-box-shadow:0 0 0 1px #ddd;box-shadow:0 0 0 1px #ddd}
|
||
.imageblock.left{margin:.25em .625em 1.25em 0}
|
||
.imageblock.right{margin:.25em 0 1.25em .625em}
|
||
.imageblock>.title{margin-bottom:0}
|
||
.imageblock.thumb,.imageblock.th{border-width:6px}
|
||
.imageblock.thumb>.title,.imageblock.th>.title{padding:0 .125em}
|
||
.image.left,.image.right{margin-top:.25em;margin-bottom:.25em;display:inline-block;line-height:0}
|
||
.image.left{margin-right:.625em}
|
||
.image.right{margin-left:.625em}
|
||
a.image{text-decoration:none;display:inline-block}
|
||
a.image object{pointer-events:none}
|
||
sup.footnote,sup.footnoteref{font-size:.875em;position:static;vertical-align:super}
|
||
sup.footnote a,sup.footnoteref a{text-decoration:none}
|
||
sup.footnote a:active,sup.footnoteref a:active{text-decoration:underline}
|
||
#footnotes{padding-top:.75em;padding-bottom:.75em;margin-bottom:.625em}
|
||
#footnotes hr{width:20%;min-width:6.25em;margin:-.25em 0 .75em;border-width:1px 0 0}
|
||
#footnotes .footnote{padding:0 .375em 0 .225em;line-height:1.3334;font-size:.875em;margin-left:1.2em;margin-bottom:.2em}
|
||
#footnotes .footnote a:first-of-type{font-weight:bold;text-decoration:none;margin-left:-1.05em}
|
||
#footnotes .footnote:last-of-type{margin-bottom:0}
|
||
#content #footnotes{margin-top:-.625em;margin-bottom:0;padding:.75em 0}
|
||
.gist .file-data>table{border:0;background:#fff;width:100%;margin-bottom:0}
|
||
.gist .file-data>table td.line-data{width:99%}
|
||
div.unbreakable{page-break-inside:avoid}
|
||
.big{font-size:larger}
|
||
.small{font-size:smaller}
|
||
.underline{text-decoration:underline}
|
||
.overline{text-decoration:overline}
|
||
.line-through{text-decoration:line-through}
|
||
.aqua{color:#00bfbf}
|
||
.aqua-background{background:#00fafa}
|
||
.black{color:#000}
|
||
.black-background{background:#000}
|
||
.blue{color:#0000bf}
|
||
.blue-background{background:#0000fa}
|
||
.fuchsia{color:#bf00bf}
|
||
.fuchsia-background{background:#fa00fa}
|
||
.gray{color:#606060}
|
||
.gray-background{background:#7d7d7d}
|
||
.green{color:#006000}
|
||
.green-background{background:#007d00}
|
||
.lime{color:#00bf00}
|
||
.lime-background{background:#00fa00}
|
||
.maroon{color:#600000}
|
||
.maroon-background{background:#7d0000}
|
||
.navy{color:#000060}
|
||
.navy-background{background:#00007d}
|
||
.olive{color:#606000}
|
||
.olive-background{background:#7d7d00}
|
||
.purple{color:#600060}
|
||
.purple-background{background:#7d007d}
|
||
.red{color:#bf0000}
|
||
.red-background{background:#fa0000}
|
||
.silver{color:#909090}
|
||
.silver-background{background:#bcbcbc}
|
||
.teal{color:#006060}
|
||
.teal-background{background:#007d7d}
|
||
.white{color:#bfbfbf}
|
||
.white-background{background:#fafafa}
|
||
.yellow{color:#bfbf00}
|
||
.yellow-background{background:#fafa00}
|
||
span.icon>.fa{cursor:default}
|
||
a span.icon>.fa{cursor:inherit}
|
||
.admonitionblock td.icon [class^="fa icon-"]{font-size:2.5em;text-shadow:1px 1px 2px rgba(0,0,0,.5);cursor:default}
|
||
.admonitionblock td.icon .icon-note::before{content:"\f05a";color:#19407c}
|
||
.admonitionblock td.icon .icon-tip::before{content:"\f0eb";text-shadow:1px 1px 2px rgba(155,155,0,.8);color:#111}
|
||
.admonitionblock td.icon .icon-warning::before{content:"\f071";color:#bf6900}
|
||
.admonitionblock td.icon .icon-caution::before{content:"\f06d";color:#bf3400}
|
||
.admonitionblock td.icon .icon-important::before{content:"\f06a";color:#bf0000}
|
||
.conum[data-value]{display:inline-block;color:#fff!important;background:rgba(0,0,0,.8);-webkit-border-radius:50%;border-radius:50%;text-align:center;font-size:.75em;width:1.67em;height:1.67em;line-height:1.67em;font-family:"Open Sans","DejaVu Sans",sans-serif;font-style:normal;font-weight:bold}
|
||
.conum[data-value] *{color:#fff!important}
|
||
.conum[data-value]+b{display:none}
|
||
.conum[data-value]::after{content:attr(data-value)}
|
||
pre .conum[data-value]{position:relative;top:-.125em}
|
||
b.conum *{color:inherit!important}
|
||
.conum:not([data-value]):empty{display:none}
|
||
dt,th.tableblock,td.content,div.footnote{text-rendering:optimizeLegibility}
|
||
h1,h2,p,td.content,span.alt{letter-spacing:-.01em}
|
||
p strong,td.content strong,div.footnote strong{letter-spacing:-.005em}
|
||
p,blockquote,dt,td.content,span.alt{font-size:1.0625rem}
|
||
p{margin-bottom:1.25rem}
|
||
.sidebarblock p,.sidebarblock dt,.sidebarblock td.content,p.tableblock{font-size:1em}
|
||
.exampleblock>.content{background:#fffef7;border-color:#e0e0dc;-webkit-box-shadow:0 1px 4px #e0e0dc;box-shadow:0 1px 4px #e0e0dc}
|
||
.print-only{display:none!important}
|
||
@page{margin:1.25cm .75cm}
|
||
@media print{*{-webkit-box-shadow:none!important;box-shadow:none!important;text-shadow:none!important}
|
||
html{font-size:80%}
|
||
a{color:inherit!important;text-decoration:underline!important}
|
||
a.bare,a[href^="#"],a[href^="mailto:"]{text-decoration:none!important}
|
||
a[href^="http:"]:not(.bare)::after,a[href^="https:"]:not(.bare)::after{content:"(" attr(href) ")";display:inline-block;font-size:.875em;padding-left:.25em}
|
||
abbr[title]::after{content:" (" attr(title) ")"}
|
||
pre,blockquote,tr,img,object,svg{page-break-inside:avoid}
|
||
thead{display:table-header-group}
|
||
svg{max-width:100%}
|
||
p,blockquote,dt,td.content{font-size:1em;orphans:3;widows:3}
|
||
h2,h3,#toctitle,.sidebarblock>.content>.title{page-break-after:avoid}
|
||
#header,#content,#footnotes,#footer{max-width:none}
|
||
#toc,.sidebarblock,.exampleblock>.content{background:none!important}
|
||
#toc{border-bottom:1px solid #dddddf!important;padding-bottom:0!important}
|
||
body.book #header{text-align:center}
|
||
body.book #header>h1:first-child{border:0!important;margin:2.5em 0 1em}
|
||
body.book #header .details{border:0!important;display:block;padding:0!important}
|
||
body.book #header .details span:first-child{margin-left:0!important}
|
||
body.book #header .details br{display:block}
|
||
body.book #header .details br+span::before{content:none!important}
|
||
body.book #toc{border:0!important;text-align:left!important;padding:0!important;margin:0!important}
|
||
body.book #toc,body.book #preamble,body.book h1.sect0,body.book .sect1>h2{page-break-before:always}
|
||
.listingblock code[data-lang]::before{display:block}
|
||
#footer{padding:0 .9375em}
|
||
.hide-on-print{display:none!important}
|
||
.print-only{display:block!important}
|
||
.hide-for-print{display:none!important}
|
||
.show-for-print{display:inherit!important}}
|
||
@media print,amzn-kf8{#header>h1:first-child{margin-top:1.25rem}
|
||
.sect1{padding:0!important}
|
||
.sect1+.sect1{border:0}
|
||
#footer{background:none}
|
||
#footer-text{color:rgba(0,0,0,.6);font-size:.9em}}
|
||
@media amzn-kf8{#header,#content,#footnotes,#footer{padding:0}}
|
||
</style>
|
||
<style>
|
||
pre{ white-space:pre }
|
||
#header,#content,#footnotes,#footer {
|
||
margin-left:40px;
|
||
padding-right:60px;
|
||
max-width:none;
|
||
}
|
||
</style>
|
||
<style>.toc-current{font-weight: bold;} .toc-root{font-family: "Open Sans","DejaVu Sans",sans-serif;
|
||
font-size: 0.9em;} #content{display: flex; flex-direction: column; flex: 1 1 auto;}
|
||
.nav-footer{text-align: center; margin-top: auto;}
|
||
.nav-footer > p > a {white-space: nowrap;}</style>
|
||
</head>
|
||
<body id="intel-core-i7-7820hq-cpu" class="article">
|
||
<div id="header">
|
||
<h1>Linux Kernel Module Cheat</h1>
|
||
</div>
|
||
<div id="content">
|
||
<div class="sect4">
|
||
<h5 id="intel-core-i7-7820hq-cpu"><a class="anchor" href="#intel-core-i7-7820hq-cpu"></a><a class="link" href="#intel-core-i7-7820hq-cpu">35.3.1.2. Intel Core i7-7820HQ CPU</a></h5>
|
||
<div class="paragraph">
|
||
<p><a href="https://ark.intel.com/products/97496/Intel-Core-i7-7820HQ-Processor-8M-Cache-up-to-3-90-GHz-" class="bare">https://ark.intel.com/products/97496/Intel-Core-i7-7820HQ-Processor-8M-Cache-up-to-3-90-GHz-</a> (<a href="http://web.archive.org/web/20181224203737/https://ark.intel.com/products/97496/Intel-Core-i7-7820HQ-Processor-8M-Cache-up-to-3-90-GHz-">archive</a>).</p>
|
||
</div>
|
||
<div class="paragraph">
|
||
<p>Cache: 8MB</p>
|
||
</div>
|
||
<div class="paragraph">
|
||
<p>Max frequency: 3.90GHz</p>
|
||
</div>
|
||
<div class="paragraph">
|
||
<p>Cores: 4</p>
|
||
</div>
|
||
<div class="paragraph">
|
||
<p><a href="hardware-threads.html">Hardware threads</a>: 8</p>
|
||
</div>
|
||
<div class="paragraph">
|
||
<p>Recommended customer price: 378.00 USD</p>
|
||
</div>
|
||
<div class="paragraph">
|
||
<p>Launch date: Q1'17</p>
|
||
</div>
|
||
<div class="paragraph">
|
||
<p>Process: 14 nm</p>
|
||
</div>
|
||
<div class="paragraph">
|
||
<p><code>cat /proc/cpuinfo</code> of one CPU on Ubuntu 20.04 Linux kernel 5.4.0:</p>
|
||
</div>
|
||
<div class="literalblock">
|
||
<div class="content">
|
||
<pre>processor : 0
|
||
vendor_id : GenuineIntel
|
||
cpu family : 6
|
||
model : 158
|
||
model name : Intel(R) Core(TM) i7-7820HQ CPU @ 2.90GHz
|
||
stepping : 9
|
||
microcode : 0xd6
|
||
cpu MHz : 1025.664
|
||
cache size : 8192 KB
|
||
physical id : 0
|
||
siblings : 8
|
||
core id : 0
|
||
cpu cores : 4
|
||
apicid : 0
|
||
initial apicid : 0
|
||
fpu : yes
|
||
fpu_exception : yes
|
||
cpuid level : 22
|
||
wp : yes
|
||
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb invpcid_single pti ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid ept_ad fsgsbase tsc_adjust bmi1 hle avx2 smep bmi2 erms invpcid rtm mpx rdseed adx smap clflushopt intel_pt xsaveopt xsavec xgetbv1 xsaves dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp md_clear flush_l1d
|
||
bugs : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs taa itlb_multihit srbds
|
||
bogomips : 5799.77
|
||
clflush size : 64
|
||
cache_alignment : 64
|
||
address sizes : 39 bits physical, 48 bits virtual
|
||
power management:</pre>
|
||
</div>
|
||
</div>
|
||
<div class="paragraph">
|
||
<p><code>getconf -a | grep CACHE</code> on Ubuntu 20.04 Linux kernel 5.4.0:</p>
|
||
</div>
|
||
<div class="literalblock">
|
||
<div class="content">
|
||
<pre>LEVEL1_ICACHE_SIZE 32768
|
||
LEVEL1_ICACHE_ASSOC 8
|
||
LEVEL1_ICACHE_LINESIZE 64
|
||
LEVEL1_DCACHE_SIZE 32768
|
||
LEVEL1_DCACHE_ASSOC 8
|
||
LEVEL1_DCACHE_LINESIZE 64
|
||
LEVEL2_CACHE_SIZE 262144
|
||
LEVEL2_CACHE_ASSOC 4
|
||
LEVEL2_CACHE_LINESIZE 64
|
||
LEVEL3_CACHE_SIZE 8388608
|
||
LEVEL3_CACHE_ASSOC 16
|
||
LEVEL3_CACHE_LINESIZE 64
|
||
LEVEL4_CACHE_SIZE 0
|
||
LEVEL4_CACHE_ASSOC 0
|
||
LEVEL4_CACHE_LINESIZE 0</pre>
|
||
</div>
|
||
</div>
|
||
<div class="ulist">
|
||
<ul>
|
||
</ul>
|
||
</div>
|
||
</div>
|
||
<div class="paragraph nav-footer">
|
||
<p>← Previous: <a href="p51-benchmarks.html">P51 benchmarks</a> | ↑ Up: <a href="p51.html">2017 Lenovo ThinkPad P51</a> | ⌂ Home: <a href="README.html">Linux Kernel Module Cheat</a> | Next: <a href="samsung-m471a2k43bb1-crc-16gb-dram.html">Samsung M471A2K43BB1-CRC 16GB DRAM</a> →</p>
|
||
</div>
|
||
</div>
|
||
<script>
|
||
<!-- Google Analytics, AKA selling my soul to Google for some backlinks. -->
|
||
(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){
|
||
(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),
|
||
m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)
|
||
})(window,document,'script','https://www.google-analytics.com/analytics.js','ga');
|
||
ga('create', 'UA-47867706-1', 'auto');
|
||
ga('send', 'pageview');
|
||
</script>
|
||
</body>
|
||
</html> |