Re: [PATCH kvm-unit-tests v2 00/12] arm/arm64: mmu fixes and feature

[David Hildenbrand <david@redhat.com>]

On 17.01.2018 11:39, Andrew Jones wrote:
> The fixes are getting tests to run on 32-bit ARM again and also
> fixing virt_to_phys(). The feature is to allow a unit test to start
> with the MMU disabled. Couple minor cleanups thrown in too.
> 
> I tested x86 and ppc64 over TCG, but not s390 (please-test: David).
> 
> v2:
>   - fix compiling on s390x by adding bitops/fls [reported by David]
>   - fix page_memalign order calculation for non-power-of-2 number of
>     pages (need to round up) [drew]

PASS selftest-setup (14 tests)
FAIL intercept (20 tests, 3 unexpected failures)
PASS emulator (89 tests, 1 skipped)
PASS sieve

Which is expected on my version of QEMU s390x tcg. So virtual memory
access still works fine.

> 
> Andrew Jones (12):
>   arm/arm64: cleanup alloc.h includes
>   arm/arm64: add pgtable to thread_info
>   arm/arm64: fix virt_to_phys
>   arm/arm64: flush page table cache when installing entries
>   arm/arm64: setup: don't allow gaps in phys range
>   phys_alloc: ensure we account all allocations
>   page_alloc: allow initialization before setup_vm call
>   bitops: add fls
>   page_alloc: add yet another memalign
>   lib/auxinfo: add flags field
>   arm/arm64: allow setup_vm to be skipped
>   arm/arm64: sieve should start with the mmu off
> 
>  arm/Makefile.common       |  5 ++++-
>  arm/cstart.S              | 19 ++++++++++++++++++-
>  arm/cstart64.S            | 17 ++++++++++++++++-
>  lib/alloc_page.c          | 36 ++++++++++++++++++++++++++++++++++++
>  lib/alloc_page.h          |  2 ++
>  lib/alloc_phys.c          | 10 ++++++++++
>  lib/alloc_phys.h          |  6 ++++--
>  lib/arm/asm/bitops.h      |  2 ++
>  lib/arm/asm/mmu.h         |  5 +++++
>  lib/arm/asm/page.h        |  8 +++-----
>  lib/arm/asm/pgtable.h     | 16 ++++++++++++----
>  lib/arm/asm/setup.h       |  1 -
>  lib/arm/asm/thread_info.h |  1 +
>  lib/arm/mmu.c             | 43 ++++++++++++++++++++++++++++++++++++++-----
>  lib/arm/processor.c       |  1 +
>  lib/arm/setup.c           | 22 ++++++++++++++--------
>  lib/arm/smp.c             |  7 ++++++-
>  lib/arm64/asm/bitops.h    |  2 ++
>  lib/arm64/asm/mmu.h       |  5 +++++
>  lib/arm64/asm/page.h      | 10 +++-------
>  lib/arm64/asm/pgtable.h   | 12 ++++++++++--
>  lib/arm64/processor.c     |  1 +
>  lib/arm64/spinlock.c      |  1 +
>  lib/auxinfo.c             | 13 ++++++++++++-
>  lib/auxinfo.h             |  6 ++++++
>  lib/bitops.h              | 38 ++++++++++++++++++++++++++++++++++++++
>  lib/ppc64/asm/bitops.h    |  2 ++
>  lib/s390x/asm/bitops.h    | 10 ++++++++++
>  lib/vmalloc.c             |  9 ++++++---
>  lib/x86/asm/bitops.h      |  2 ++
>  30 files changed, 270 insertions(+), 42 deletions(-)
>  create mode 100644 lib/s390x/asm/bitops.h
> 


-- 

Thanks,

David / dhildenb