2
0
mirror of https://github.com/edk2-porting/linux-next.git synced 2025-01-11 15:14:03 +08:00
linux-next/arch/x86/mm
Josh Poimboeuf d68be4c4d3 x86/speculation: Support 'mitigations=' cmdline option
Configure x86 runtime CPU speculation bug mitigations in accordance with
the 'mitigations=' cmdline option.  This affects Meltdown, Spectre v2,
Speculative Store Bypass, and L1TF.

The default behavior is unchanged.

Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Jiri Kosina <jkosina@suse.cz> (on x86)
Reviewed-by: Jiri Kosina <jkosina@suse.cz>
Cc: Borislav Petkov <bp@alien8.de>
Cc: "H . Peter Anvin" <hpa@zytor.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Jiri Kosina <jikos@kernel.org>
Cc: Waiman Long <longman@redhat.com>
Cc: Andrea Arcangeli <aarcange@redhat.com>
Cc: Jon Masters <jcm@redhat.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: linuxppc-dev@lists.ozlabs.org
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: linux-s390@vger.kernel.org
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-arch@vger.kernel.org
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Tyler Hicks <tyhicks@canonical.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Cc: Steven Price <steven.price@arm.com>
Cc: Phil Auld <pauld@redhat.com>
Link: https://lkml.kernel.org/r/6616d0ae169308516cfdf5216bedd169f8a8291b.1555085500.git.jpoimboe@redhat.com
2019-04-17 21:37:28 +02:00
..
amdtopology.c mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
cpu_entry_area.c x86/pti/64: Remove the SYSCALL64 entry trampoline 2018-09-12 21:33:53 +02:00
debug_pagetables.c x86/mm/dump_pagetables: Use DEFINE_SHOW_ATTRIBUTE() 2018-12-18 13:05:54 +01:00
dump_pagetables.c kasan: rename kasan_zero_page to kasan_early_shadow_page 2018-12-28 12:11:43 -08:00
extable.c Revert "x86/fault: BUG() when uaccess helpers fault on kernel addresses" 2019-02-25 09:10:51 -08:00
fault.c x86/fault: Fix sign-extend unintended sign extension 2019-01-29 21:58:59 +01:00
highmem_32.c mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
hugetlbpage.c x86/compat: Adjust in_compat_syscall() to generic code under !COMPAT 2018-11-01 12:59:25 +01:00
ident_map.c x86/mm: Stop pretending pgtable_l5_enabled is a variable 2018-05-19 11:56:57 +02:00
init_32.c mm, memory_hotplug: add nid parameter to arch_remove_memory 2018-12-28 12:11:49 -08:00
init_64.c mm, memory_hotplug: add nid parameter to arch_remove_memory 2018-12-28 12:11:49 -08:00
init.c mm: make free_reserved_area() return "const char *" 2018-12-28 12:11:48 -08:00
iomap_32.c x86/mm: Do not auto-massage page protections 2018-04-12 09:04:22 +02:00
ioremap.c mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
kasan_init_64.c kasan: rename kasan_zero_page to kasan_early_shadow_page 2018-12-28 12:11:43 -08:00
kaslr.c mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
kmmio.c x86/mm/kmmio: Make the tracer robust against L1TF 2018-08-08 22:28:34 +02:00
Makefile x86/mm/sme: Disable stack protection for mem_encrypt_identity.c 2018-02-28 15:24:12 +01:00
mem_encrypt_boot.S x86/mm/sme, objtool: Annotate indirect call in sme_encrypt_execute() 2018-02-21 09:05:04 +01:00
mem_encrypt_identity.c x86/mm/mem_encrypt: Fix erroneous sizeof() 2019-01-15 11:41:58 +01:00
mem_encrypt.c dma-direct: merge swiotlb_dma_ops into the dma_direct code 2018-12-13 21:06:17 +01:00
mm_internal.h x86/mm/cpa: Optimize cpa_flush_array() TLB invalidation 2018-12-17 18:54:26 +01:00
mmap.c x86/compat: Adjust in_compat_syscall() to generic code under !COMPAT 2018-11-01 12:59:25 +01:00
mmio-mod.c x86: do not use print_symbol() 2018-01-05 15:23:01 +01:00
mpx.c Remove 'type' argument from access_ok() function 2019-01-03 18:57:57 -08:00
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 mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
pageattr-test.c x86/mm/cpa: Simplify the code after making cpa->vaddr invariant 2018-12-17 18:54:25 +01:00
pageattr.c x86/mm/cpa: Fix set_mce_nospec() 2019-02-08 14:31:56 +01:00
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 x86/mm: Fix decoy address handling vs 32-bit builds 2018-12-11 18:28:20 -08:00
pf_in.c x86/mm: Audit and remove any unnecessary uses of module.h 2016-07-14 13:04:20 +02:00
pf_in.h
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 mm: treewide: remove unused address argument from pte_alloc functions 2019-01-04 13:13:47 -08:00
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 x86/pkeys: Make init_pkru_value static 2018-12-03 19:10:18 +01:00
pti.c x86/speculation: Support 'mitigations=' cmdline option 2019-04-17 21:37:28 +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 Annotate hardware config module parameters in arch/x86/mm/ 2017-04-04 16:54:21 +01:00
tlb.c x86/mm/cpa: Optimize cpa_flush_array() TLB invalidation 2018-12-17 18:54:26 +01:00