Lines Matching refs:mtrr

51   The CONFIG_MTRR option creates a /proc/mtrr file which may be used
58 There are two interfaces to /proc/mtrr: one is an ASCII interface
67 % cat /proc/mtrr
72 # echo "base=0xf8000000 size=0x400000 type=write-combining" >! /proc/mtrr
74 # echo "base=0xf8000000 size=0x400000 type=write-combining" >| /proc/mtrr
77 % cat /proc/mtrr
100 in other words the X server will manipulate /proc/mtrr using the
106 %echo "base=0xfb000000 size=0x1000000 type=write-combining" >/proc/mtrr
107 %echo "base=0xfb000000 size=0x1000 type=uncachable" >/proc/mtrr
109 And the results: cat /proc/mtrr
122 % echo "disable=2" >! /proc/mtrr
124 % echo "disable=2" >| /proc/mtrr
128 /*  mtrr-show.c
130     Source file for mtrr-show (example program to show MTRRs using ioctl()'s)
154     This program will use an ioctl() on /proc/mtrr to show the current MTRR
155     settings. This is an alternative to reading /proc/mtrr.
172 #include <asm/mtrr.h>
194     if ( ( fd = open ("/proc/mtrr", O_RDONLY, 0) ) == -1 )
198 	    fputs ("/proc/mtrr not found: not supported or you don't have a PPro?\n",
202 	fprintf (stderr, "Error opening /proc/mtrr\t%s\n", ERRSTRING);
218     fprintf (stderr, "Error doing ioctl(2) on /dev/mtrr\t%s\n", ERRSTRING);
224 /*  mtrr-add.c
226     Source file for mtrr-add (example programme to add an MTRRs using ioctl())
250     This programme will use an ioctl() on /proc/mtrr to add an entry. The first
251     available mtrr is used. This is an alternative to writing /proc/mtrr.
269 #include <asm/mtrr.h>
307     if ( ( fd = open ("/proc/mtrr", O_WRONLY, 0) ) == -1 )
311 	    fputs ("/proc/mtrr not found: not supported or you don't have a PPro?\n",
315 	fprintf (stderr, "Error opening /proc/mtrr\t%s\n", ERRSTRING);
320 	fprintf (stderr, "Error doing ioctl(2) on /dev/mtrr\t%s\n", ERRSTRING);
326     fputs ("I've just closed /proc/mtrr so now the new entry should be gone\n",