diff options
| -rw-r--r-- | chapter10/kernel.xml | 32 |
1 files changed, 23 insertions, 9 deletions
diff --git a/chapter10/kernel.xml b/chapter10/kernel.xml index 4618cc18e..9224cbbf3 100644 --- a/chapter10/kernel.xml +++ b/chapter10/kernel.xml @@ -89,12 +89,9 @@ <!-- Support for compiling a keymap into the kernel is deliberately removed --> <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> + <ulink url="http://www.kroah.com/lkn/"/>.</para> <note> <para>A good starting place for setting up the kernel configuration is to @@ -179,6 +176,23 @@ Device Drivers ---> [*] Message Signaled Interrupts (MSI and MSI-X) [CONFIG_PCI_MSI] [*] IOMMU Hardware Support ---> [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 ---> + High Memory Support ---> + (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 ---> + NVME Support ---> + <*> NVM Express block device [CONFIG_BLK_DEV_NVME]</screen> </note> <note revision="systemd"> @@ -186,18 +200,18 @@ Device Drivers ---> required, it is highly recommended by the systemd developers.</para> </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> <para>If your host hardware is using UEFI and you wish to boot the 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> <variablelist> |