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6bbb614ec4
linux/arch/x86/mm
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Daniel Borkmann 6bbb614ec4 x86/mm: Unexport set_memory_ro() and set_memory_rw() 
This effectively unexports set_memory_ro() and set_memory_rw()
functions, and thus reverts:

  a03352d2c1 ("x86: export set_memory_ro and set_memory_rw").

They have been introduced for debugging purposes in e1000e, but
no module user is in mainline kernel (anymore?) and we
explicitly do not want modules to use these functions, as they
i.e. protect eBPF (interpreted & JIT'ed) images from malicious
modifications or bugs.

Outside of eBPF scope, I believe also other set_memory_*()
functions should be unexported on x86 for modules.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Alexei Starovoitov <ast@plumgrid.com>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Bruce Allan <bruce.w.allan@intel.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Jesse Brandeburg <jesse.brandeburg@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: davem@davemloft.net
Link: http://lkml.kernel.org/r/a064393a0a5d319eebde5c761cfd743132d4f213.1425040940.git.daniel@iogearbox.net
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-02-28 10:41:59 +01:00
..
kmemcheck
amdtopology.c
dump_pagetables.c Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-12-10 13:59:34 -08:00
extable.c
fault.c x86: Store a per-cpu shadow copy of CR4 2015-02-04 12:10:42 +01:00
gup.c mm: convert p[te|md]_numa users to p[te|md]_protnone_numa 2015-02-12 18:54:08 -08:00
highmem_32.c
hugetlbpage.c mm/hugetlb: pmd_huge() returns true for non-present hugepage 2015-02-11 17:06:01 -08:00
init_32.c x86: remove the Xen-specific _PAGE_IOMAP PTE flag 2014-09-23 13:36:20 +00:00
init_64.c Merge branch 'x86-vdso-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-12-10 14:24:20 -08:00
init.c Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-02-21 10:41:29 -08:00
iomap_32.c x86: Use new cache mode type in mm/iomap_32.c 2014-11-16 11:04:25 +01:00
ioremap.c Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2014-12-10 13:59:34 -08:00
kasan_init_64.c kasan: enable instrumentation of global variables 2015-02-13 21:21:42 -08:00
kmmio.c
Makefile x86_64: add KASan support 2015-02-13 21:21:41 -08:00
memtest.c
mm_internal.h x86: Enable PAT to use cache mode translation tables 2014-11-16 11:04:26 +01:00
mmap.c x86, mm/ASLR: Fix stack randomization on 64-bit systems 2015-02-19 12:21:36 +01:00
mmio-mod.c
mpx.c x86, mpx: Explicitly disable 32-bit MPX support on 64-bit kernels 2015-01-22 21:11:06 +01:00
numa_32.c
numa_64.c
numa_emulation.c
numa_internal.h
numa.c x86: use %*pb[l] to print bitmaps including cpumasks and nodemasks 2015-02-13 21:21:37 -08:00
pageattr-test.c
pageattr.c x86/mm: Unexport set_memory_ro() and set_memory_rw() 2015-02-28 10:41:59 +01:00
pat_internal.h x86: Use new cache mode type in memtype related functions 2014-11-16 11:04:26 +01:00
pat_rbtree.c x86: Use new cache mode type in memtype related functions 2014-11-16 11:04:26 +01:00
pat.c x86/mm/pat: Ensure different messages in STRICT_DEVMEM and PAT cases 2015-02-19 02:09:49 +01:00
pf_in.c
pf_in.h
pgtable_32.c
pgtable.c Linux 34.0-rc1 2015-02-24 15:55:28 +01:00
physaddr.c
physaddr.h
setup_nx.c
srat.c
testmmiotrace.c
tlb.c x86: Store a per-cpu shadow copy of CR4 2015-02-04 12:10:42 +01:00