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https://github.com/nxp-imx/linux-imx.git
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a4f588df14
This patch introduces our implementation of KAISER (Kernel Address Isolation to have Side-channels Efficiently Removed), a kernel isolation technique to close hardware side channels on kernel address information. More information about the original patch can be found at: https://github.com/IAIK/KAISER http://marc.info/?l=linux-kernel&m=149390087310405&w=2 Daniel Gruss <daniel.gruss@iaik.tugraz.at> Richard Fellner <richard.fellner@student.tugraz.at> Michael Schwarz <michael.schwarz@iaik.tugraz.at> <clementine.maurice@iaik.tugraz.at> <moritz.lipp@iaik.tugraz.at> That original was then developed further by Dave Hansen <dave.hansen@intel.com> Hugh Dickins <hughd@google.com> then others after this snapshot. This combined patch for 3.2.96 was derived from hughd's patches below for 3.18.72, in 2017-12-04's kaiser-3.18.72.tar; except for the last, which was sent in 2017-12-09's nokaiser-3.18.72.tar. They have been combined in order to minimize the effort of rebasing: most of the patches in the 3.18.72 series were small fixes and cleanups and enhancements to three large patches. About the only new work in this backport is a simple reimplementation of kaiser_remove_mapping(): since mm/pageattr.c changed a lot between 3.2 and 3.18, and the mods there for Kaiser never seemed necessary. KAISER: Kernel Address Isolation kaiser: merged update kaiser: do not set _PAGE_NX on pgd_none kaiser: stack map PAGE_SIZE at THREAD_SIZE-PAGE_SIZE kaiser: fix build and FIXME in alloc_ldt_struct() kaiser: KAISER depends on SMP kaiser: fix regs to do_nmi() ifndef CONFIG_KAISER kaiser: fix perf crashes kaiser: ENOMEM if kaiser_pagetable_walk() NULL kaiser: tidied up asm/kaiser.h somewhat kaiser: tidied up kaiser_add/remove_mapping slightly kaiser: kaiser_remove_mapping() move along the pgd kaiser: align addition to x86/mm/Makefile kaiser: cleanups while trying for gold link kaiser: name that 0x1000 KAISER_SHADOW_PGD_OFFSET kaiser: delete KAISER_REAL_SWITCH option kaiser: vmstat show NR_KAISERTABLE as nr_overhead kaiser: enhanced by kernel and user PCIDs kaiser: load_new_mm_cr3() let SWITCH_USER_CR3 flush user kaiser: PCID 0 for kernel and 128 for user kaiser: x86_cr3_pcid_noflush and x86_cr3_pcid_user kaiser: paranoid_entry pass cr3 need to paranoid_exit kaiser: _pgd_alloc() without __GFP_REPEAT to avoid stalls kaiser: fix unlikely error in alloc_ldt_struct() kaiser: drop is_atomic arg to kaiser_pagetable_walk() Signed-off-by: Hugh Dickins <hughd@google.com> [bwh: - Fixed the #undef in arch/x86/boot/compressed/misc.h - Add missing #include in arch/x86/mm/kaiser.c] Signed-off-by: Ben Hutchings <ben@decadent.org.uk> |
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| .. | ||
| backing-dev.c | ||
| bootmem.c | ||
| bounce.c | ||
| cleancache.c | ||
| compaction.c | ||
| debug-pagealloc.c | ||
| dmapool.c | ||
| fadvise.c | ||
| failslab.c | ||
| filemap_xip.c | ||
| filemap.c | ||
| fremap.c | ||
| highmem.c | ||
| huge_memory.c | ||
| hugetlb.c | ||
| hwpoison-inject.c | ||
| init-mm.c | ||
| internal.h | ||
| Kconfig | ||
| Kconfig.debug | ||
| kmemcheck.c | ||
| kmemleak-test.c | ||
| kmemleak.c | ||
| ksm.c | ||
| maccess.c | ||
| madvise.c | ||
| Makefile | ||
| memblock.c | ||
| memcontrol.c | ||
| memory_hotplug.c | ||
| memory-failure.c | ||
| memory.c | ||
| mempolicy.c | ||
| mempool.c | ||
| migrate.c | ||
| mincore.c | ||
| mlock.c | ||
| mm_init.c | ||
| mmap.c | ||
| mmu_context.c | ||
| mmu_notifier.c | ||
| mmzone.c | ||
| mprotect.c | ||
| mremap.c | ||
| msync.c | ||
| nobootmem.c | ||
| nommu.c | ||
| oom_kill.c | ||
| page_alloc.c | ||
| page_cgroup.c | ||
| page_io.c | ||
| page_isolation.c | ||
| page-writeback.c | ||
| pagewalk.c | ||
| percpu-km.c | ||
| percpu-vm.c | ||
| percpu.c | ||
| pgtable-generic.c | ||
| prio_tree.c | ||
| process_vm_access.c | ||
| quicklist.c | ||
| readahead.c | ||
| rmap.c | ||
| shmem.c | ||
| slab.c | ||
| slob.c | ||
| slub.c | ||
| sparse-vmemmap.c | ||
| sparse.c | ||
| swap_state.c | ||
| swap.c | ||
| swapfile.c | ||
| thrash.c | ||
| truncate.c | ||
| util.c | ||
| vmalloc.c | ||
| vmscan.c | ||
| vmstat.c | ||