Commit 0a1355db authored by Helge Deller's avatar Helge Deller

parisc: Enable ARCH_HAS_STRICT_MODULE_RWX

Fix a boot crash on a c8000 machine as reported by Dave.  Basically it changes
patch_map() to return an alias mapping to the to-be-patched code in order to
prevent writing to write-protected memory.
Signed-off-by: default avatarHelge Deller <deller@gmx.de>
Suggested-by: default avatarJohn David Anglin <dave.anglin@bell.net>
Cc: stable@vger.kernel.org   # v5.2+
Link: https://lore.kernel.org/all/e8ec39e8-25f8-e6b4-b7ed-4cb23efc756e@bell.net/
parent e9ed22e6
...@@ -10,6 +10,7 @@ config PARISC ...@@ -10,6 +10,7 @@ config PARISC
select ARCH_WANT_FRAME_POINTERS select ARCH_WANT_FRAME_POINTERS
select ARCH_HAS_ELF_RANDOMIZE select ARCH_HAS_ELF_RANDOMIZE
select ARCH_HAS_STRICT_KERNEL_RWX select ARCH_HAS_STRICT_KERNEL_RWX
select ARCH_HAS_STRICT_MODULE_RWX
select ARCH_HAS_UBSAN_SANITIZE_ALL select ARCH_HAS_UBSAN_SANITIZE_ALL
select ARCH_HAS_PTE_SPECIAL select ARCH_HAS_PTE_SPECIAL
select ARCH_NO_SG_CHAIN select ARCH_NO_SG_CHAIN
......
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