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parisc: Enable ARCH_HAS_STRICT_MODULE_RWX
commit 0a1355db36
upstream.
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: Helge Deller <deller@gmx.de>
Suggested-by: John 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/
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -10,6 +10,7 @@ config PARISC
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select ARCH_WANT_FRAME_POINTERS
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select ARCH_HAS_ELF_RANDOMIZE
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select ARCH_HAS_STRICT_KERNEL_RWX
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select ARCH_HAS_STRICT_MODULE_RWX
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select ARCH_HAS_UBSAN_SANITIZE_ALL
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select ARCH_HAS_PTE_SPECIAL
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select ARCH_NO_SG_CHAIN
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