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Enable global pages TLB extension on Application Processors.

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MFC after:	3 days
This commit is contained in:
Stephan Uphoff 2006-03-18 19:32:46 +00:00
parent 1d6941d403
commit 4c0e9e8c79
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=156847
1 changed files with 7 additions and 0 deletions
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7
sys/amd64/amd64/mp_machdep.c
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@ -561,6 +561,13 @@ init_secondary(void)
smp_active = 1; /* historic */
}
/*
* Enable global pages TLB extension
* This also implicitly flushes the TLB
*/
load_cr4(rcr4() | CR4_PGE);
mtx_unlock_spin(&ap_boot_mtx);
/* wait until all the AP's are up */