busybox: new mdev.conf

core/busybox/checksums

@@ -14,4 +14,4 @@ ebd61afac770d3d9cae5c411f44002496fb18b28cf7b77520072a3909852246e
 4a5981f4b0d791fe9b84b0b2e01ae905f6565c8245b3cd603e6decf34ddad71a
 f857fea99533df7b780c911bae19b0029a70ee1c8d36b49e7782604fb9cf25f8
 e7db036d8e43bb2511df087342708f5fb51d28a7dff9008a1cf440390870a972
-11fe9cdb031d0c387dfb366dc9cdbabadd129f5bbed34659868914058ada11c7
+d021224bb87c30b73efcd302610af50a3e30f22b7521343eb295b5a3770c73d6

core/busybox/files/mdev.conf

@@ -1,37 +1,73 @@
-null        root:root 666 @chmod 666 $MDEV
-zero        root:root 666
-full        root:root 666
+# Configuration based on 'mdev-like-a-boss'.
+# https://github.com/slashbeast/mdev-like-a-boss/blob/master/mdev.conf
 
-random      root:root 444
-urandom     root:root 444
-kmem        root:root 640
-mem         root:root 640
-port        root:root 640
+null          root:root 666 @chmod 666 $MDEV
+zero          root:root 666
+full          root:root 666
+random        root:root 444
+urandom       root:root 444
+hwrandom      root:root 444
+grsec         root:root 660
+kmem          root:root 640
+mem           root:root 640
 
-console     root:tty  600 @chmod 600 $MDEV
-ptmx        root:tty  666
-pty.*       root:tty  660
+port          root:root 640
+console       root:tty  600 @chmod 600 $MDEV
+ptmx          root:tty  666
+pty.*         root:tty  660
+tty           root:tty  666
+tty[0-9]*     root:tty  660
+vcsa*[0-9]*   root:tty  660
 
-usbdev[0-9].[0-9]* root:root 660 !
+# Kernel based virtual machine.
+kvm           root:kvm  660
+vhost-net     root:kvm  660
 
-tty         root:tty  666
-tty[0-9]*   root:tty  660
-vcsa*[0-9]* root:tty  660
+# Block devices.
+ram([0-9]*)   root:disk 660 >rd/%1
+loop([0-9]+)  root:disk 660 >loop/%1
+sr[0-9]*      root:cdrom 660 @ln -sf $MDEV cdrom
+fd[0-9]*      root:floppy 660
 
+net/tun[0-9]* root:kvm 660
+net/tap[0-9]* root:root 600
+fuse          root:root 666
+agpgart       root:root 660 >misc/
+psaux         root:root 660 >misc/
+rtc           root:root 664 >misc/
+
+# Audio stuff.
+adsp          root:audio 660 >sound/
+audio         root:audio 660 >sound/
+dsp           root:audio 660 >sound/
+mixer         root:audio 660 >sound/
+sequencer.*   root:audio 660 >sound/
+
+# Raid controllers.
+cciss!(.*)    root:disk 660 =cciss/%1
+ida!(.*)      root:disk 660 =ida/%1
+rd!(.*)       root:disk 660 =rd/%1
+
+# Input stuff.
 SUBSYSTEM=input;.* root:input 660
 
-adsp        root:audio 660 >sound/
-audio       root:audio 660 >sound/
-dsp         root:audio 660 >sound/
-mixer       root:audio 660 >sound/
-sequencer.* root:audio 660 >sound/
+# Video stuff.
+card[0-9]     root:video 660 =dri/
+vbi[0-9]      root:video 660 >v4l/
+video[0-9]    root:video 660 >v4l/
+dri/.*        root:video 660
 
-card[0-9]   root:video 660 =dri/
+# Don't create old usbdev* devices.
+usbdev[0-9].[0-9]* root:root 660 !
 
-agpgart     root:root  660 >misc/
-psaux       root:root  660 >misc/
-rtc         root:root  664 >misc/
+# Stop creating x:x:x:x which looks like /dev/dm-*.
+[0-9]+\:[0-9]+\:[0-9]+\:[0-9]+ root:root 660 !
 
-dri/.*      root:video 660
-snd/.*      root:audio 660
+# /dev/cpu support.
+microcode       root:root 600 =cpu/
+cpu([0-9]+)     root:root 600 =cpu/%1/cpuid
+msr([0-9]+)     root:root 600 =cpu/%1/msr
 
+# libudev-zero hotplug.
+SUBSYSTEM=drm;.*   root:video 660 *env > /tmp/.libudev-zero/uevent.$$
+SUBSYSTEM=input;.* root:input 660 *env > /tmp/.libudev-zero/uevent.$$