From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kukjin Kim Subject: RE: [PATCH v5 0/6] Support 4 levels of translation tables for ARM64 Date: Fri, 02 May 2014 14:44:56 +0900 Message-ID: <06d401cf65c9$a60e2350$f22a69f0$@samsung.com> References: <000001cf64e5$c2d71e40$48855ac0$@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Return-path: Received: from mailout1.samsung.com ([203.254.224.24]:57690 "EHLO mailout1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750858AbaEBFo7 (ORCPT ); Fri, 2 May 2014 01:44:59 -0400 In-reply-to: <000001cf64e5$c2d71e40$48855ac0$@samsung.com> Content-language: ko Sender: linux-samsung-soc-owner@vger.kernel.org List-Id: linux-samsung-soc@vger.kernel.org To: 'Jungseok Lee' , linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu, Catalin.Marinas@arm.com, 'Marc Zyngier' , 'Christoffer Dall' Cc: linux-kernel@vger.kernel.org, 'linux-samsung-soc' , steve.capper@linaro.org, sungjinn.chung@samsung.com, 'Arnd Bergmann' , ilho215.lee@samsung.com Jungseok Lee wrote: > > Hi All, > > This v5 patchset supports 4 levels of tranlsation tables for ARM64. > > Firstly, the patchset introduces virtual address space size and > translation level options as taking account into the comment from > Catalin Marinas: > http://www.spinics.net/linux/lists/arm-kernel/msg319552.html > > Then, it implements 4 levels of translation tables for native, HYP and > stage2 sides. > > All ARMv8 and ARMv7 related changes are validated with FastModels+kvmtool > and > A15+QEMU, respectively. > > Changes since v1: > - fixed unmatched data types as per Steve's comment > - removed unnecessary #ifdef in arch/arm64/mm/* as per Steve's comment > - revised create_pgd_entry to deal with PUD entry as per Steve's comment > - introduced a macro for initial memblock limit as per Steve's comment > - dropped "Fix line length exceeding 80 characters" patch as per Marc's > comment > - removed unnecessary #ifdef in arch/arm/kvm/mmu.c as per Marc's comment > - added a macro for a number of objects of as per Marc's comment > > Changes since v2: > - revised some macros in a generic way as per Marc's comment > - added a 2 level option for kvm mmu cache allocation as per Marc's > comment > > Changes since v3: > - added #ifdef to decide swapper and idmap size as per Steve's comment > - introduced Steve's create_pgd_entry > > Changes since v4: > - hided translation level options from menuconfig as per Catalin's comment > - dropped some printk changes as per Mitchel's comment > - squashed VA_BITS related patches into a single patch > > Jungseok Lee (6): > arm64: Use pr_* instead of printk > arm64: Introduce VA_BITS and translation level options > arm64: Add a description on 48-bit address space with 4KB pages > arm64: Add 4 levels of page tables definition with 4KB pages > arm64: mm: Implement 4 levels of translation tables > arm64: KVM: Implement 4 levels of translation tables for HYP and > stage2 > > Documentation/arm64/memory.txt | 59 ++++++++++++++--- > arch/arm/include/asm/kvm_mmu.h | 10 +++ > arch/arm/kvm/mmu.c | 88 +++++++++++++++++++++---- > arch/arm64/Kconfig | 53 ++++++++++++++- > arch/arm64/include/asm/kvm_arm.h | 34 ++++++++-- > arch/arm64/include/asm/kvm_mmu.h | 12 ++++ > arch/arm64/include/asm/memblock.h | 6 ++ > arch/arm64/include/asm/memory.h | 6 +- > arch/arm64/include/asm/page.h | 6 +- > arch/arm64/include/asm/pgalloc.h | 24 ++++++- > arch/arm64/include/asm/pgtable-4level-hwdef.h | 50 ++++++++++++++ > arch/arm64/include/asm/pgtable-4level-types.h | 71 ++++++++++++++++++++ > arch/arm64/include/asm/pgtable-hwdef.h | 8 ++- > arch/arm64/include/asm/pgtable.h | 53 +++++++++++++-- > arch/arm64/include/asm/tlb.h | 11 +++- > arch/arm64/kernel/head.S | 46 ++++++++++--- > arch/arm64/kernel/traps.c | 13 ++-- > arch/arm64/mm/fault.c | 1 + > arch/arm64/mm/mmu.c | 16 +++-- > 19 files changed, 507 insertions(+), 60 deletions(-) > create mode 100644 arch/arm64/include/asm/pgtable-4level-hwdef.h > create mode 100644 arch/arm64/include/asm/pgtable-4level-types.h > > -- > 1.7.10.4 Looks good to me and Samsung SoCs stuff :-) All of this series: Acked-by: Kukjin Kim Thanks, Kukjin