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List: linux-s390
Subject: [kvm-unit-tests PATCH v2 0/5] s390: Add support for large pages
From: Claudio Imbrenda <imbrenda () linux ! ibm ! com>
Date: 2021-02-23 14:07:54
Message-ID: 20210223140759.255670-1-imbrenda () linux ! ibm ! com
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Introduce support for large (1M) and huge (2G) pages.
Add a simple testcase for EDAT1 and EDAT2.
v1->v2
* split patch 2 -> new patch 2 and new patch 3
* patch 2: fixes pgtable.h, also fixes wrong usage of REGION_TABLE_LENGTH
instead of SEGMENT_TABLE_LENGTH
* patch 3: introduces new macros and functions for large pages
* patch 4: remove erroneous double call to pte_alloc in get_pte
* patch 4: added comment in mmu.c to bridge the s390x architecural names
with the Linux ones used in the kvm-unit-tests
* patch 5: added and fixed lots of comments to explain what's going on
* patch 5: set FC for region 3 after writing the canary, like for segments
* patch 5: use uintptr_t instead of intptr_t for set_prefix
* patch 5: introduce new macro PGD_PAGE_SHIFT instead of using magic value 41
* patch 5: use VIRT(0) instead of mem to make it more clear what we are
doing, even though VIRT(0) expands to mem
Claudio Imbrenda (5):
libcflat: add SZ_1M and SZ_2G
s390x: lib: fix pgtable.h
s390x: lib: improve pgtable.h
s390x: mmu: add support for large pages
s390x: edat test
s390x/Makefile | 1 +
lib/s390x/asm/pgtable.h | 40 +++++-
lib/libcflat.h | 2 +
lib/s390x/mmu.h | 73 +++++++++-
lib/s390x/mmu.c | 260 ++++++++++++++++++++++++++++++++----
s390x/edat.c | 285 ++++++++++++++++++++++++++++++++++++++++
s390x/unittests.cfg | 3 +
7 files changed, 633 insertions(+), 31 deletions(-)
create mode 100644 s390x/edat.c
--
2.26.2
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