Messages in this thread Patch in this message | | | From | "Kirill A. Shutemov" <> | Subject | [PATCH 2/2] x86/mm: Fix 'no5lvl' handling | Date | Sat, 23 Jun 2018 01:08:41 +0300 |
| |
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.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Fixes: 372fddf70904 ("x86/mm: Introduce the 'no5lvl' kernel parameter") --- arch/x86/kernel/cpu/common.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 0df7151cfef4..eb4cb3efd20e 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -1,3 +1,6 @@ +/* cpu_feature_enabled() cannot be used this early */ +#define USE_EARLY_PGTABLE_L5 + #include <linux/bootmem.h> #include <linux/linkage.h> #include <linux/bitops.h> -- 2.17.1
| |