summaryrefslogtreecommitdiffstats
path: root/Documentation/features
diff options
context:
space:
mode:
authorKefeng Wang <wangkefeng.wang@huawei.com>2022-06-07 20:50:27 +0800
committerWill Deacon <will@kernel.org>2022-06-27 12:22:31 +0100
commit893dea9ccd08dab924839354aba21d4ed7a9abc0 (patch)
tree536f6d1476979f85883488eb88995ad3065a463e /Documentation/features
parentf23eab0bfaefb3319c7de90c9c632bebf53a03bc (diff)
downloadlinux-893dea9ccd08dab924839354aba21d4ed7a9abc0.tar.bz2
arm64: Add HAVE_IOREMAP_PROT support
With ioremap_prot() definition from generic ioremap, also move pte_pgprot() from hugetlbpage.c into pgtable.h, then arm64 could have HAVE_IOREMAP_PROT, which will enable generic_access_phys() code, it is useful for debug, eg, gdb. Acked-by: Catalin Marinas <catalin.marinas@arm.com> Reviewed-by: Anshuman Khandual <anshuman.khandual@arm.com> Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Link: https://lore.kernel.org/r/20220607125027.44946-7-wangkefeng.wang@huawei.com Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'Documentation/features')
-rw-r--r--Documentation/features/vm/ioremap_prot/arch-support.txt2
1 files changed, 1 insertions, 1 deletions
diff --git a/Documentation/features/vm/ioremap_prot/arch-support.txt b/Documentation/features/vm/ioremap_prot/arch-support.txt
index b01bf7bca3e6..6bd78eb4dc6e 100644
--- a/Documentation/features/vm/ioremap_prot/arch-support.txt
+++ b/Documentation/features/vm/ioremap_prot/arch-support.txt
@@ -9,7 +9,7 @@
| alpha: | TODO |
| arc: | ok |
| arm: | TODO |
- | arm64: | TODO |
+ | arm64: | ok |
| csky: | TODO |
| hexagon: | TODO |
| ia64: | TODO |