x86/mm: Fix 'no5lvl' handling
authorKirill A. Shutemov <kirill.shutemov@linux.intel.com>
Fri, 22 Jun 2018 22:08:41 +0000 (01:08 +0300)
committerThomas Gleixner <tglx@linutronix.de>
Sat, 23 Jun 2018 12:20:37 +0000 (14:20 +0200)
commit2458e53ff74cd1063ed3e00459da1d35c559d369
tree1f969e50a4c237e4482a417af7c68f89e68e9938
parent51be1335151771075dcb19f3464ca9f331134285
x86/mm: Fix 'no5lvl' handling

early_identify_cpu() has to use early version of pgtable_l5_enabled()
that doesn't rely on cpu_feature_enabled().

Defining USE_EARLY_PGTABLE_L5 before all includes does the trick.

I lost the define in one of reworks of the original patch.

Fixes: 372fddf70904 ("x86/mm: Introduce the 'no5lvl' kernel parameter")
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Link: https://lkml.kernel.org/r/20180622220841.54135-3-kirill.shutemov@linux.intel.com
arch/x86/kernel/cpu/common.c