On Fri, Jun 05, 2020 at 06:01:16PM -0700, Andrew Morton wrote:
> On Fri, 5 Jun 2020 12:46:55 +0100 Catalin Marinas
> wrote:
> > On Fri, Jun 05, 2020 at 11:08:13AM +0100, Catalin Marinas wrote:
> > > This patch causes a kernel panic on arm64 (and possibly powerpc, I
> > > haven't tried). arm64
On Fri, 5 Jun 2020 12:46:55 +0100 Catalin Marinas
wrote:
> On Fri, Jun 05, 2020 at 11:08:13AM +0100, Catalin Marinas wrote:
> > This patch causes a kernel panic on arm64 (and possibly powerpc, I
> > haven't tried). arm64 still uses the 5level-fixup.h and pud_alloc()
> > checks for the empty p4d
On Fri, Jun 05, 2020 at 11:08:13AM +0100, Catalin Marinas wrote:
> This patch causes a kernel panic on arm64 (and possibly powerpc, I
> haven't tried). arm64 still uses the 5level-fixup.h and pud_alloc()
> checks for the empty p4d with pgd_none() instead of p4d_none().
Ah, should have checked the
Hi Joerg,
On Fri, May 15, 2020 at 04:00:17PM +0200, Joerg Roedel wrote:
> diff --git a/include/linux/mm.h b/include/linux/mm.h
> index 5a323422d783..022fe682af9e 100644
> --- a/include/linux/mm.h
> +++ b/include/linux/mm.h
> @@ -2078,13 +2078,54 @@ static inline pud_t *pud_alloc(struct mm_struct
From: Joerg Roedel
Add page-table allocation functions which will keep track of changed
directory entries. They are needed for new PGD, P4D, PUD, and PMD
entries and will be used in vmalloc and ioremap code to decide whether
any changes in the kernel mappings need to be synchronized between
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