[PATCH 0/6 v5] kvm: powerpc: use cache attributes from linux pte

[Alexander Graf]

On 19.09.2013, at 08:02, Bharat Bhushan wrote:

> From: Bharat Bhushan <bharat.bhushan at freescale.com>
> 
> First patch is a typo fix where book3e define _PAGE_LENDIAN while it
> should be defined as _PAGE_ENDIAN. This seems to show that this is never exercised :-)
> 
> Second and third patch is to allow guest controlling "G"-Guarded and "E"-Endian TLB attributes respectively.
> 
> Fourth patch is moving functions/logic in common code so they can be used on booke also.
> 
> Fifth and Sixth patch is actually setting caching attributes (TLB.WIMGE) using corresponding Linux pte.

Thanks, applied 1/6 - 3/6 to kvm-ppc-queue.


Alex

> 
> v3->v5
> - Fix tlb-reference-flag clearing issue (patch 4/6)
> - There was a patch (4/6 powerpc: move linux pte/hugepte search to more generic file)
>   in the last series of this patchset which was moving pte/hugepte search functions to
>   generic file. That patch is no more needed as some other patch is already applied to fix that :)
> 
> v2->v3
> - now lookup_linux_pte() only have pte search logic and it does not
>   set any access flags in pte. There is already a function for setting
>   access flag which will be called explicitly where needed.
>   On booke we only need to search for pte to get WIMG.
> 
> v1->v2
> - Earlier caching attributes (WIMGE) were set based of page is RAM or not
>   But now we get these attributes from corresponding Linux PTE.
> 
> Bharat Bhushan (6):
>  powerpc: book3e: _PAGE_LENDIAN must be _PAGE_ENDIAN
>  kvm: powerpc: allow guest control "E" attribute in mas2
>  kvm: powerpc: allow guest control "G" attribute in mas2
>  kvm: powerpc: keep only pte search logic in lookup_linux_pte
>  kvm: booke: clear host tlb reference flag on guest tlb invalidation
>  kvm: powerpc: use caching attributes as per linux pte
> 
> arch/powerpc/include/asm/kvm_host.h   |    2 +-
> arch/powerpc/include/asm/pgtable.h    |   24 ++++++++++++++++
> arch/powerpc/include/asm/pte-book3e.h |    2 +-
> arch/powerpc/kvm/book3s_hv_rm_mmu.c   |   36 ++++++++----------------
> arch/powerpc/kvm/booke.c              |    2 +-
> arch/powerpc/kvm/e500.h               |   10 ++++--
> arch/powerpc/kvm/e500_mmu_host.c      |   50 +++++++++++++++++++--------------
> 7 files changed, 74 insertions(+), 52 deletions(-)
> 
>