Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1649391 > unrolled thread
| Started by | "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> |
|---|---|
| First post | 2017-05-24 12:00 +0200 |
| Last post | 2017-05-24 12:10 +0200 |
| Articles | 2 — 2 participants |
Back to article view | Back to linux.kernel
This discussion starts older than the indexed window; earlier articles aren't shown. The article labeled Started by
below is the oldest one visible, not the original post.
[PATCHv6 09/10] x86: Enable 5-level paging support "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> - 2017-05-24 12:00 +0200
Re: [PATCHv6 09/10] x86: Enable 5-level paging support Juergen Gross <jgross@suse.com> - 2017-05-24 12:10 +0200
| From | "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com> |
|---|---|
| Date | 2017-05-24 12:00 +0200 |
| Subject | [PATCHv6 09/10] x86: Enable 5-level paging support |
| Message-ID | <tKBfc-EZ-15@gated-at.bofh.it> |
Most of things are in place and we can enable support of 5-level paging. The patch makes XEN_PV dependent on !X86_5LEVEL. XEN_PV is not ready to work with 5-level paging. Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> --- arch/x86/Kconfig | 5 +++++ arch/x86/xen/Kconfig | 1 + 2 files changed, 6 insertions(+) diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index bd0f2ff59029..0bf81e837cbf 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -318,6 +318,7 @@ config FIX_EARLYCON_MEM config PGTABLE_LEVELS int + default 5 if X86_5LEVEL default 4 if X86_64 default 3 if X86_PAE default 2 @@ -1390,6 +1391,10 @@ config X86_PAE has the cost of more pagetable lookup overhead, and also consumes more pagetable space per process. +config X86_5LEVEL + bool "Enable 5-level page tables support" + depends on X86_64 + config ARCH_PHYS_ADDR_T_64BIT def_bool y depends on X86_64 || X86_PAE diff --git a/arch/x86/xen/Kconfig b/arch/x86/xen/Kconfig index 027987638e98..1be9667bd476 100644 --- a/arch/x86/xen/Kconfig +++ b/arch/x86/xen/Kconfig @@ -17,6 +17,7 @@ config XEN_PV bool "Xen PV guest support" default y depends on XEN + depends on !X86_5LEVEL select XEN_HAVE_PVMMU select XEN_HAVE_VPMU help -- 2.11.0
[toc] | [next] | [standalone]
| From | Juergen Gross <jgross@suse.com> |
|---|---|
| Date | 2017-05-24 12:10 +0200 |
| Message-ID | <tKBoR-Xp-1@gated-at.bofh.it> |
| In reply to | #1649391 |
On 24/05/17 11:54, Kirill A. Shutemov wrote: > Most of things are in place and we can enable support of 5-level paging. > > The patch makes XEN_PV dependent on !X86_5LEVEL. XEN_PV is not ready to > work with 5-level paging. > > Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Xen part: Reviewed-by: Juergen Gross <jgross@suse.com> Juergen
[toc] | [prev] | [standalone]
Back to top | Article view | linux.kernel
csiph-web