On Mon, Feb 26, 2018 at 11:14:06PM +0800, kernel test robot wrote: > Greetings, > > 0day kernel testing robot got the below dmesg and the first bad commit is > > https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/mm > > commit 91f606a8fa68264224cbc76888fa8649cdbe9990 > Author: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> > AuthorDate: Wed Feb 14 21:25:41 2018 +0300 > Commit: Ingo Molnar <mingo@xxxxxxxxxx> > CommitDate: Fri Feb 16 10:48:49 2018 +0100 > > x86/mm: Replace compile-time checks for 5-level paging with runtime-time checks > > This patch converts the of CONFIG_X86_5LEVEL check to runtime checks for > p4d folding. > > Signed-off-by: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> > Cc: Andy Lutomirski <luto@xxxxxxxxxx> > Cc: Arjan van de Ven <arjan@xxxxxxxxxxxxxxx> > Cc: Borislav Petkov <bp@xxxxxxx> > Cc: Dan Williams <dan.j.williams@xxxxxxxxx> > Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx> > Cc: David Woodhouse <dwmw2@xxxxxxxxxxxxx> > Cc: Josh Poimboeuf <jpoimboe@xxxxxxxxxx> > Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> > Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> > Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx> > Cc: linux-mm@xxxxxxxxx > Link: http://lkml.kernel.org/r/20180214182542.69302-9-kirill.shutemov@xxxxxxxxxxxxxxx > Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> > > 98219dda2a x86/mm: Fold p4d page table layer at runtime > 91f606a8fa x86/mm: Replace compile-time checks for 5-level paging with runtime-time checks > 1ea4fe8497 Merge branch 'x86/boot' into x86/mm, to unify branches > 94991480c2 Merge branch 'x86/pti' > f1753f6424 Add linux-next specific files for 20180226 Patch below should help. Please check. diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h index 81dda8d1d0bd..163e01a0631d 100644 --- a/arch/x86/include/asm/pgtable_64.h +++ b/arch/x86/include/asm/pgtable_64.h @@ -224,9 +224,9 @@ static inline void native_set_p4d(p4d_t *p4dp, p4d_t p4d) return; } - pgd = native_make_pgd(p4d_val(p4d)); + pgd = native_make_pgd(native_p4d_val(p4d)); pgd = pti_set_user_pgd((pgd_t *)p4dp, pgd); - *p4dp = native_make_p4d(pgd_val(pgd)); + *p4dp = native_make_p4d(native_pgd_val(pgd)); } static inline void native_p4d_clear(p4d_t *p4d) -- Kirill A. Shutemov -- To unsubscribe from this list: send the line "unsubscribe linux-efi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
