Michael Ellerman 029d9252b1 powerpc/mm: Mark __init memory no-execute when STRICT_KERNEL_RWX=y ... Currently even with STRICT_KERNEL_RWX we leave the __init text marked executable after init, which is bad. Add a hook to mark it NX (no-execute) before we free it, and implement it for radix and hash. Note that we use __init_end as the end address, not _einittext, because overlaps_kernel_text() uses __init_end, because there are additional executable sections other than .init.text between __init_begin and __init_end. Tested on radix and hash with: 0:mon> p $__init_begin *** 400 exception occurred Fixes: 1e0fc9d1eb ("powerpc/Kconfig: Enable STRICT_KERNEL_RWX for some configs") Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>		2017-07-18 19:54:24 +10:00
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asm	powerpc/mm: Mark __init memory no-execute when STRICT_KERNEL_RWX=y	2017-07-18 19:54:24 +10:00
uapi/asm	powerpc updates for 4.13	2017-07-07 13:55:45 -07:00