From 372fddf709041743a93e381556f4c41aad1e28f8 Mon Sep 17 00:00:00 2001 From: "Kirill A. Shutemov" Date: Fri, 18 May 2018 13:35:25 +0300 Subject: x86/mm: Introduce the 'no5lvl' kernel parameter This kernel parameter allows to force kernel to use 4-level paging even if hardware and kernel support 5-level paging. The option may be useful to work around regressions related to 5-level paging. Signed-off-by: Kirill A. Shutemov Reviewed-by: Thomas Gleixner Cc: Hugh Dickins Cc: Linus Torvalds Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/20180518103528.59260-5-kirill.shutemov@linux.intel.com Signed-off-by: Ingo Molnar --- Documentation/admin-guide/kernel-parameters.txt | 3 +++ 1 file changed, 3 insertions(+) (limited to 'Documentation/admin-guide') diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 11fc28ecdb6d..364a33c1534d 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -2600,6 +2600,9 @@ emulation library even if a 387 maths coprocessor is present. + no5lvl [X86-64] Disable 5-level paging mode. Forces + kernel to use 4-level paging instead. + no_console_suspend [HW] Never suspend the console Disable suspending of consoles during suspend and -- cgit