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Remove recently added note about DEVICE_POLLING not working with SMP.

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Remove warning from kern_poll.c to allow DEVICE_POLLING to be built with SMP.

Discussed with:	ru, glebius
This commit is contained in:
Tom Rhodes 2005-02-25 22:07:51 +00:00
parent ac8671f18f
commit 183a16a3ec
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=142517
4 changed files with 0 additions and 9 deletions
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1
sys/amd64/conf/NOTES
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@ -74,7 +74,6 @@ cpu HAMMER # aka K8, aka Opteron & Athlon64
# accurate scheduling of the CPU time between kernel network processing
# and other activities. The drawback is a moderate (up to 1/HZ seconds)
# potential increase in response times.
# DEVICE_POLLING does not work with SMP.
# It is strongly recommended to use HZ=1000 or 2000 with DEVICE_POLLING
# to achieve smoother behaviour.
# Additionally, you can enable/disable polling at runtime with the

1
sys/i386/conf/NOTES
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@ -229,7 +229,6 @@ options PERFMON
# potential increase in response times.
# It is strongly recommended to use HZ=1000 or 2000 with DEVICE_POLLING
# to achieve smoother behaviour.
# DEVICE_POLLING does not work with SMP.
# Additionally, you can enable/disable polling at runtime with the
# sysctl variable kern.polling.enable (defaults off), and select
# the CPU fraction reserved to userland with the sysctl variable

6
sys/kern/kern_poll.c
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@ -41,12 +41,6 @@ __FBSDID("$FreeBSD$");
#include <sys/resourcevar.h>
#include <sys/kthread.h>
#ifdef SMP
#ifndef COMPILING_LINT
#error DEVICE_POLLING is not compatible with SMP
#endif
#endif
static void netisr_poll(void); /* the two netisr handlers */
static void netisr_pollmore(void);

1
sys/pc98/conf/NOTES
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@ -196,7 +196,6 @@ options PERFMON
# potential increase in response times.
# It is strongly recommended to use HZ=1000 or 2000 with DEVICE_POLLING
# to achieve smoother behaviour.
# DEVICE_POLLING does not work with SMP.
# Additionally, you can enable/disable polling at runtime with the
# sysctl variable kern.polling.enable (defaults off), and select
# the CPU fraction reserved to userland with the sysctl variable