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Back out the part of the previous commit that dealt with network device

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polling (it isn't in CURRENT yet, as pointed out by rwatson).

New release note:  TCP stalls fixed.
This commit is contained in:
bmah 2001-12-04 17:20:33 +00:00
parent e16d92f4df
commit 4ad5ac9832
2 changed files with 8 additions and 26 deletions
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17
release/doc/en_US.ISO8859-1/relnotes/article.sgml
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@ -592,18 +592,6 @@
protocol or routing) can be performed on these devices. The
<varname>SIOCGIFCONF</varname> ioctl may be performed on the
special <filename>/dev/network</filename> node.</para>
<para arch="i386">Selected network drivers now implement a
semi-polling mode, which makes systems much more resilient to
attacks and overloads. To enable polling, the following options
are required in a kernel configuration file:
<programlisting>options DEVICE_POLLING
options HZ=1000 # not compulsory but strongly recommended</programlisting>
The <varname>kern.polling.enable</varname> sysctl variable will
then activate polling mode. The devices initially supporting
polling are &man.dc.4;, &man.fxp.4;, and &man.sis.4;. &merged;</para>
</sect3>
<sect3>
@ -940,6 +928,10 @@ options HZ=1000 # not compulsory but strongly recommended</programlisting>
<para>The virtual memory subsystem now backs UFS directory
memory requirements by default (this behavior is controlled via
the <varname>vfs.vmiodirenable</varname> sysctl variable. &merged;</para>
<para>A bug in the TCP implementation, which could cause
connections to stall if a sender saw a zero-sized window, has
been corrected. &merged;</para>
</sect3>
<sect3>
@ -1346,7 +1338,6 @@ options HZ=1000 # not compulsory but strongly recommended</programlisting>
involving the <literal>UseLogin yes</literal> setting, has been
closed (note that the default for this setting is
<literal>UseLogin no</literal>). &merged;</para>
</sect2>
<sect2 id="userland">
<title>Userland Changes</title>

17
release/doc/en_US.ISO8859-1/relnotes/common/new.sgml
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@ -592,18 +592,6 @@
protocol or routing) can be performed on these devices. The
<varname>SIOCGIFCONF</varname> ioctl may be performed on the
special <filename>/dev/network</filename> node.</para>
<para arch="i386">Selected network drivers now implement a
semi-polling mode, which makes systems much more resilient to
attacks and overloads. To enable polling, the following options
are required in a kernel configuration file:
<programlisting>options DEVICE_POLLING
options HZ=1000 # not compulsory but strongly recommended</programlisting>
The <varname>kern.polling.enable</varname> sysctl variable will
then activate polling mode. The devices initially supporting
polling are &man.dc.4;, &man.fxp.4;, and &man.sis.4;. &merged;</para>
</sect3>
<sect3>
@ -940,6 +928,10 @@ options HZ=1000 # not compulsory but strongly recommended</programlisting>
<para>The virtual memory subsystem now backs UFS directory
memory requirements by default (this behavior is controlled via
the <varname>vfs.vmiodirenable</varname> sysctl variable. &merged;</para>
<para>A bug in the TCP implementation, which could cause
connections to stall if a sender saw a zero-sized window, has
been corrected. &merged;</para>
</sect3>
<sect3>
@ -1346,7 +1338,6 @@ options HZ=1000 # not compulsory but strongly recommended</programlisting>
involving the <literal>UseLogin yes</literal> setting, has been
closed (note that the default for this setting is
<literal>UseLogin no</literal>). &merged;</para>
</sect2>
<sect2 id="userland">
<title>Userland Changes</title>