Changeset db84777

Timestamp:

03/10/2023 11:30:10 PM (14 months ago)

Author:

Thomas Trepl <thomas@…>

Branches:

multilib

Children:

31e6ccb2

Parents:

2858f02 (diff), 0bf56aad (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Automatic merge of trunk into multilib

Files:

• chapter02/hostreqs.xml (modified) (1 diff)
• chapter10/kernel.xml (modified) (5 diffs)

chapter02/hostreqs.xml

@@ -204 +204 @@
 ver_kernel()
 {
-   kver=$(uname -r | grep -E -o '[0-9\.]+')
+   kver=$(uname -r | grep -E -o '^[0-9\.]+')
    if printf '%s\n' $1 $kver | sort --version-sort --check &>/dev/null
    then 

chapter10/kernel.xml

@@ -90 +90 @@
 
     <para>For general information on kernel configuration see <ulink
-    url="&hints-root;kernel-configuration.txt"/>.  BLFS has some information
-    regarding particular kernel configuration requirements of packages outside
-    of LFS at <ulink
-    url="&blfs-book;longindex.html#kernel-config-index"/>.  Additional
+    url="&hints-root;kernel-configuration.txt"/>.  Additional
     information about configuring and building the kernel can be found at
-    <ulink url="http://www.kroah.com/lkn/"/> </para>
-
-    <caution>
+    <ulink url="http://www.kroah.com/lkn/"/>.</para>
+
+    <note>
       <para>A good starting place for setting up the kernel configuration is to
-      run <command>make localmodconfig</command>. If the host kernel version
-      is not too different from the version of the kernel you are building,
-      this will set the base configuration to a good state similar to what
-      the host uses. Another possibility is to use <command>make
-      localyesconfig</command>, which does the same except everything is built
-      into the kernel.</para>
-
-      <para>Do not disable any option enabled by <command>make
-      localmodconfig</command> unless the following notes explicitly make it
-      disabled or you really know what you are doing.</para>
-    </caution>
-
-    <note>
-      <para>Another possibility is to run <command>make defconfig</command>,
-      which creates a more generic configuration for your architecture. You
-      may then have to disable drivers for hardware you do not have if
-      you want to reduce the kernel size.</para>
-    </note>
-
-    <note>
+      run <command>make defconfig</command>. This will set the base
+      configuration to a good state that takes your current system architecture
+      into account.</para>
+
       <para>Be sure to enable/disable/set the following features or the system might
       not work correctly or boot at all:</para>
@@ -196 +177 @@
   [*] IOMMU Hardware Support ---&gt; [CONFIG_IOMMU_SUPPORT]
     [*] Support for Interrupt Remapping [CONFIG_IRQ_REMAP]</screen>
+
+      <para>If you are building a 32-bit system running on a hardware
+      with RAM more than 4GB, adjust the configuration so the kernel will
+      be able to use up to 64GB physical RAM:</para>
+
+      <screen role="nodump">Processor type and features ---&gt;
+  High Memory Support ---&gt;
+    (X) 64GB [CONFIG_HIGHMEM64G]</screen>
+
+      <para>If the partition for the LFS system is in a NVME SSD (i. e. the
+      device node for the parition is <filename>/dev/nvme*</filename>
+      instead of <filename>/dev/sd*</filename>), enable NVME support or
+      the LFS system won't boot:</para>
+
+      <screen role="nodump">Device Drivers ---&gt;
+  NVME Support ---&gt;
+    &lt;*&gt; NVM Express block device [CONFIG_BLK_DEV_NVME]</screen>
     </note>
 
@@ -203 +201 @@
     </note>
 
-    <para revision="sysv">There are several other options that may be desired
+    <para>There are several other options that may be desired
     depending on the requirements for the system. For a list of options needed
     for BLFS packages, see the <ulink
     url="&lfs-root;blfs/view/&short-version;/longindex.html#kernel-config-index">BLFS
-    Index of Kernel Settings</ulink>
-    (&lfs-root;blfs/view/&short-version;/longindex.html#kernel-config-index).</para>
+    Index of Kernel Settings</ulink>.</para>
 
     <note>
@@ -214 +211 @@
       LFS system with it, you should adjust some kernel configuration
       following <ulink url="&blfs-book;postlfs/grub-setup.html#uefi-kernel">
-      the BLFS page</ulink>.</para>
+      the BLFS page</ulink> <emphasis role='bold'>even if you'll use the
+      UEFI bootloader from the host distro</emphasis>.</para>
     </note>
 
@@ -355 +353 @@
           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
+          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>