diff options
| author | Kefeng Wang <wangkefeng.wang@huawei.com> | 2022-06-07 15:50:27 +0300 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2022-06-27 14:22:31 +0300 |
| commit | 893dea9ccd08dab924839354aba21d4ed7a9abc0 (patch) | |
| tree | 536f6d1476979f85883488eb88995ad3065a463e /arch/arm64/Kconfig | |
| parent | f23eab0bfaefb3319c7de90c9c632bebf53a03bc (diff) | |
| download | linux-893dea9ccd08dab924839354aba21d4ed7a9abc0.tar.xz | |
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 'arch/arm64/Kconfig')
| -rw-r--r-- | arch/arm64/Kconfig | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index ac160aa26126..1267f325d32b 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -189,6 +189,7 @@ config ARM64 select HAVE_FUNCTION_GRAPH_TRACER select HAVE_GCC_PLUGINS select HAVE_HW_BREAKPOINT if PERF_EVENTS + select HAVE_IOREMAP_PROT select HAVE_IRQ_TIME_ACCOUNTING select HAVE_KVM select HAVE_NMI |