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Automatic merge of trunk into multilib

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This commit is contained in:
Thomas Trepl (Moody) 2022-08-26 00:30:10 +02:00
commit d8c9a43f29
3 changed files with 46 additions and 9 deletions
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9
chapter05/glibc.xml
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@ -206,9 +206,8 @@ cd build</userinput></screen>
functions (compiling and linking) of the new toolchain are working as
expected. To perform a sanity check, run the following commands:</para>
<screen><userinput>echo 'int main(){}' &gt; dummy.c
$LFS_TGT-gcc dummy.c
readelf -l a.out | grep '/ld-linux'</userinput></screen>
<screen><userinput>echo 'int main(){}' | gcc -xc -
readelf -l a.out | grep ld-linux</userinput></screen>
<para>If everything is working correctly, there should be no errors,
and the output of the last command will be of the form:</para>
@ -223,9 +222,9 @@ readelf -l a.out | grep '/ld-linux'</userinput></screen>
where the problem is and correct it. This issue must be resolved before
continuing on.</para>
<para>Once all is well, clean up the test files:</para>
<para>Once all is well, clean up the test file:</para>
<screen><userinput>rm -v dummy.c a.out</userinput></screen>
<screen><userinput>rm -v a.out</userinput></screen>
</caution>

7
chapter08/glibc.xml
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@ -455,10 +455,9 @@ unset ZONEINFO</userinput></screen>
<para>By default, the dynamic loader (<filename
class="libraryfile">/lib/ld-linux.so.2</filename>) searches through
<filename class="directory">/lib</filename> and <filename
class="directory">/usr/lib</filename> for dynamic libraries that are
needed by programs as they are run. However, if there are libraries in
directories other than <filename class="directory">/lib</filename> and
<filename class="directory">/usr/lib</filename> for dynamic libraries
that are needed by programs as they are run. However, if there are
libraries in directories other than
<filename class="directory">/usr/lib</filename>, these need to be added
to the <filename>/etc/ld.so.conf</filename> file in order for the
dynamic loader to find them. Two directories that are commonly known

39
chapter10/kernel.xml
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@ -149,6 +149,23 @@ File systems ---&gt;
[*] Inotify support for userspace [CONFIG_INOTIFY_USER]
Pseudo filesystems ---&gt;
[*] Tmpfs POSIX Access Control Lists [CONFIG_TMPFS_POSIX_ACL]</screen>
<para>Enable some additional features if you are building a 64-bit
system. If you are using menuconfig, enable them in the order of
<parameter>CONFIG_PCI_MSI</parameter> first, then
<parameter>CONFIG_IRQ_REMAP</parameter>, at last
<parameter>CONFIG_X86_X2APIC</parameter> because an option only
shows up after its dependencies are selected.</para>
<screen role="nodump">Processor type and features ---&gt;
[*] Support x2apic [CONFIG_X86_X2APIC]
Memory Management options ---&gt;
[ ] Enable userfaultfd() system call [CONFIG_USERFAULTFD]
Device Drivers ---&gt;
[*] PCI Support ---&gt; [CONFIG_PCI]
[*] Message Signaled Interrupts (MSI and MSI-X) [CONFIG_PCI_MSI]
[*] IOMMU Hardware Support ---&gt; [CONFIG_IOMMU_SUPPORT]
[*] Support for Interrupt Remapping [CONFIG_IRQ_REMAP]</screen>
</note>
<note revision="systemd">
@ -257,6 +274,28 @@ File systems ---&gt;
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>Support x2apic</parameter></term>
<listitem>
<para>Support running the interrupt controller of 64-bit x86
processors in x2APIC mode. x2APIC may be enabled by firmware on
64-bit x86 systems, and a kernel without this option enabled will
panic on boot if x2APIC is enabled by firmware. This option has
has no effect, but also does no harm if x2APIC is disabled by the
firmware.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><parameter>Enable userfaultfd() system call</parameter></term>
<listitem>
<para>If this option is enabled, a security vulnerability not
resolved in Linux-&linux-version; yet will be exploitable.
Disable this option to avoid the vulnerability. This system call
is not used by any part of LFS or BLFS.</para>
</listitem>
</varlistentry>
</variablelist>
<para>Alternatively, <command>make oldconfig</command> may be more