linux/arch/x86/mm
David Howells 906357f77a x86/mmiotrace: Lock down the testmmiotrace module
The testmmiotrace module shouldn't be permitted when the kernel is locked
down as it can be used to arbitrarily read and write MMIO space. This is
a runtime check rather than buildtime in order to allow configurations
where the same kernel may be run in both locked down or permissive modes
depending on local policy.

Suggested-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: David Howells <dhowells@redhat.com
Signed-off-by: Matthew Garrett <mjg59@google.com>
Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Reviewed-by: Kees Cook <keescook@chromium.org>
cc: Thomas Gleixner <tglx@linutronix.de>
cc: Steven Rostedt <rostedt@goodmis.org>
cc: Ingo Molnar <mingo@kernel.org>
cc: "H. Peter Anvin" <hpa@zytor.com>
cc: x86@kernel.org
Signed-off-by: James Morris <jmorris@namei.org>
2019-08-19 21:54:16 -07:00
..
amdtopology.c mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
cpu_entry_area.c x86/exceptions: Split debug IST stack 2019-04-17 15:14:28 +02:00
debug_pagetables.c treewide: Add SPDX license identifier for more missed files 2019-05-21 10:50:45 +02:00
dump_pagetables.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441 2019-06-05 17:37:17 +02:00
extable.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
fault.c Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-05-06 16:13:31 -07:00
highmem_32.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
hugetlbpage.c mm: simplify MEMORY_ISOLATION && COMPACTION || CMA into CONTIG_ALLOC 2019-05-14 09:47:47 -07:00
ident_map.c x86/mm: Stop pretending pgtable_l5_enabled is a variable 2018-05-19 11:56:57 +02:00
init_32.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
init_64.c x86/mm: Handle physical-virtual alignment mismatch in phys_p4d_init() 2019-06-26 07:25:09 +02:00
init.c x86/alternatives: Initialize temporary mm for patching 2019-04-30 12:37:52 +02:00
iomap_32.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
ioremap.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
kasan_init_64.c x86/kasan: Fix boot with 5-level paging and KASAN 2019-06-14 16:37:30 +02:00
kaslr.c x86/mm/KASLR: Compute the size of the vmemmap section properly 2019-06-07 23:12:13 +02:00
kmmio.c x86/mm/kmmio: Make the tracer robust against L1TF 2018-08-08 22:28:34 +02:00
Makefile treewide: prefix header search paths with $(srctree)/ 2019-05-18 11:49:57 +09:00
mem_encrypt_boot.S treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
mem_encrypt_identity.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
mem_encrypt.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
mm_internal.h x86/mm: Do not use set_{pud, pmd}_safe() when splitting a large page 2019-05-08 19:08:35 +02:00
mmap.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
mmio-mod.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
mpx.c Merge branch 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-05-19 10:23:24 -07:00
numa_32.c mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
numa_64.c mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
numa_emulation.c Merge branch 'core/urgent' into x86/urgent, to pick up objtool fix 2018-11-03 23:42:16 +01:00
numa_internal.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
numa.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
pageattr-test.c x86/mm/cpa: Simplify the code after making cpa->vaddr invariant 2018-12-17 18:54:25 +01:00
pageattr.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
pat_internal.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pat_rbtree.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pat.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00
pf_in.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
pf_in.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
pgtable_32.c x86/mm: Rename flush_tlb_single() and flush_tlb_one() to __flush_tlb_one_[user|kernel]() 2018-02-15 01:15:52 +01:00
pgtable.c Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-05-06 16:13:31 -07:00
physaddr.c mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
physaddr.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pkeys.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 288 2019-06-05 17:36:37 +02:00
pti.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 295 2019-06-05 17:36:38 +02:00
setup_nx.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
srat.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
testmmiotrace.c x86/mmiotrace: Lock down the testmmiotrace module 2019-08-19 21:54:16 -07:00
tlb.c treewide: Add SPDX license identifier for missed files 2019-05-21 10:50:45 +02:00