diff options
Diffstat (limited to 'Documentation/x86')
| -rw-r--r-- | Documentation/x86/00-INDEX | 4 | ||||
| -rw-r--r-- | Documentation/x86/intel_rdt_ui.txt | 2 | ||||
| -rw-r--r-- | Documentation/x86/topology.txt | 2 | ||||
| -rw-r--r-- | Documentation/x86/x86_64/5level-paging.txt | 9 |
4 files changed, 7 insertions, 10 deletions
diff --git a/Documentation/x86/00-INDEX b/Documentation/x86/00-INDEX index 6922644..3bb2ee3 100644 --- a/Documentation/x86/00-INDEX +++ b/Documentation/x86/00-INDEX @@ -2,14 +2,14 @@ - this file boot.txt - List of boot protocol versions -early-microcode.txt - - How to load microcode from an initrd-CPIO archive early to fix CPU issues. earlyprintk.txt - Using earlyprintk with a USB2 debug port key. entry_64.txt - Describe (some of the) kernel entry points for x86. exception-tables.txt - why and how Linux kernel uses exception tables on x86 +microcode.txt + - How to load microcode from an initrd-CPIO archive early to fix CPU issues. mtrr.txt - how to use x86 Memory Type Range Registers to increase performance pat.txt diff --git a/Documentation/x86/intel_rdt_ui.txt b/Documentation/x86/intel_rdt_ui.txt index 756fd76..71c3098 100644 --- a/Documentation/x86/intel_rdt_ui.txt +++ b/Documentation/x86/intel_rdt_ui.txt @@ -671,7 +671,7 @@ occupancy of the real time threads on these cores. # mkdir p1 Move the cpus 4-7 over to p1 -# echo f0 > p0/cpus +# echo f0 > p1/cpus View the llc occupancy snapshot diff --git a/Documentation/x86/topology.txt b/Documentation/x86/topology.txt index f3e9d7e..2953e3e 100644 --- a/Documentation/x86/topology.txt +++ b/Documentation/x86/topology.txt @@ -108,7 +108,7 @@ The topology of a system is described in the units of: The number of online threads is also printed in /proc/cpuinfo "siblings." - - topology_sibling_mask(): + - topology_sibling_cpumask(): The cpumask contains all online threads in the core to which a thread belongs. diff --git a/Documentation/x86/x86_64/5level-paging.txt b/Documentation/x86/x86_64/5level-paging.txt index 087251a..2432a5e 100644 --- a/Documentation/x86/x86_64/5level-paging.txt +++ b/Documentation/x86/x86_64/5level-paging.txt @@ -20,12 +20,9 @@ Documentation/x86/x86_64/mm.txt CONFIG_X86_5LEVEL=y enables the feature. -So far, a kernel compiled with the option enabled will be able to boot -only on machines that supports the feature -- see for 'la57' flag in -/proc/cpuinfo. - -The plan is to implement boot-time switching between 4- and 5-level paging -in the future. +Kernel with CONFIG_X86_5LEVEL=y still able to boot on 4-level hardware. +In this case additional page table level -- p4d -- will be folded at +runtime. == User-space and large virtual address space == |
