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Provide enhanced information on configuring SMP support in a kernel.

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Approved by:	re
This commit is contained in:
Robert Watson 2002-12-07 01:50:06 +00:00
parent fe93f598bb
commit b77b2b6ed3
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=107664
1 changed files with 11 additions and 2 deletions
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13
share/man/man4/smp.4
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@ -30,7 +30,8 @@
.Nm SMP
.Nd description of the FreeBSD Symmetric MultiProcessor kernel
.Sh SYNOPSIS
.Nm
.Cd options SMP
.Cd options APIC_IO
.Sh DESCRIPTION
The
.Nm
@ -39,12 +40,20 @@ kernel implements symmetric multiprocessor support.
Support for multi-processor systems is present for all supported
architectures on FreeBSD.
Currently, this includes alpha, i386, ia64, and sparc64.
Support is enabled using
.Cd options SMP .
On some, but not all platforms, it is permissible to use the SMP
kernel configuration on non-SMP equipped motherboards.
.Pp
For i386 systems, the
.Nm
kernel supports motherboards that follow the Intel MP specification,
version 1.4.
On i386 systems, the
In addition to
.Cd options SMP ,
i386 also requires
.Cd options APIC_IO .
The
.Xr mptable 1
command may be used to view the status of multi-processor support.
.Sh SEE ALSO