fix up newer x86 cpuinfo flags.

fix up newer x86 cpuinfo flags.

Post by da.. » Sun, 30 Mar 2003 02:50:11



According to Intel document 24161823.pdf[*] page 18, 'tm2' is misdefined.
Its bit 7 not, bit 8. Also add the missing 'EST' (Enhanced Speedstep Technology)
bit, and use the correct Intel terminology for the context ID bit.

[*] http://www.intel.com/design/xeon/applnots/241618.htm

diff -urpN --exclude-from=/home/davej/.exclude bk-linus/arch/i386/kernel/cpu/proc.c linux-2.5/arch/i386/kernel/cpu/proc.c
--- bk-linus/arch/i386/kernel/cpu/proc.c        2003-03-15 19:33:58.000000000 +0000

                NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,

                /* Intel-defined (#2) */
-               "pni", NULL, NULL, "monitor", "ds_cpl", NULL, NULL, NULL,
-               "tm2", NULL, "cnxt_id", NULL, NULL, NULL, NULL, NULL,
+               "pni", NULL, NULL, "monitor", "ds_cpl", NULL, NULL, "tm2",
+               "est", NULL, "cid", NULL, NULL, NULL, NULL, NULL,
                NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
                NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,

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1. Cpuinfo flags

I was wondering where I can find out what the cpuinfo flags mean, when you
type 'cat /proc/cpuinfo'.  The proc man page was not very helpful in this
regard.  Other than 'fpu' I have no idea what they mean.

-Floyd

--
Brother Floyd                          "Today is a good day to die."
The High Believer                      "Do you believe?"

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