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0609ae011d
linux/arch/x86/mm
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Daniel Axtens 0609ae011d x86/kasan: support KASAN_VMALLOC 
In the case where KASAN directly allocates memory to back vmalloc space,
don't map the early shadow page over it.

We prepopulate pgds/p4ds for the range that would otherwise be empty.
This is required to get it synced to hardware on boot, allowing the
lower levels of the page tables to be filled dynamically.

Link: http://lkml.kernel.org/r/20191031093909.9228-5-dja@axtens.net
Signed-off-by: Daniel Axtens <dja@axtens.net>
Acked-by: Dmitry Vyukov <dvyukov@google.com>
Reviewed-by: Andrey Ryabinin <aryabinin@virtuozzo.com>
Cc: Alexander Potapenko <glider@google.com>
Cc: Christophe Leroy <christophe.leroy@c-s.fr>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2019-12-01 12:59:06 -08:00
..
amdtopology.c mm: remove include/linux/bootmem.h 2018-10-31 08:54:16 -07:00
cpu_entry_area.c Merge branch 'x86-iopl-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-11-26 11:12:02 -08:00
debug_pagetables.c x86: mm: no need to check return value of debugfs_create functions 2019-06-03 16:18:12 +02:00
dump_pagetables.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 441 2019-06-05 17:37:17 +02:00
extable.c locking/refcount: Consolidate implementations of refcount_t 2019-11-25 09:15:32 +01:00
fault.c x86/mm: Sync also unmappings in vmalloc_sync_all() 2019-07-22 10:18:30 +02:00
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 x86/mm: Remove set_pages_x() and set_pages_nx() 2019-09-03 09:26:37 +02:00
init_64.c x86/mm: Report which part of kernel image is freed 2019-11-04 18:50:33 +01:00
init.c x86/mm: Report which part of kernel image is freed 2019-11-04 18:50:33 +01:00
iomap_32.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
ioremap.c generic ioremap support 2019-11-28 10:57:12 -08:00
kasan_init_64.c x86/kasan: support KASAN_VMALLOC 2019-12-01 12:59:06 -08:00
kaslr.c x86/mm/KASLR: Compute the size of the vmemmap section properly 2019-06-07 23:12:13 +02:00
kmmio.c x86: Use pr_warn instead of pr_warning 2019-10-18 15:00:18 +02:00
maccess.c uaccess: Add strict non-pagefault kernel-space read function 2019-11-02 12:39:12 -07:00
Makefile Merge branch 'x86-mm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-11-26 09:50:14 -08:00
mem_encrypt_boot.S x86/asm: Change all ENTRY+ENDPROC to SYM_FUNC_* 2019-10-18 11:58:33 +02:00
mem_encrypt_identity.c Merge branch 'x86-kdump-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-07-09 11:52:34 -07:00
mem_encrypt.c dma-mapping: treat dev->bus_dma_mask as a DMA limit 2019-11-21 18:14:35 +01:00
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 x86: Use pr_warn instead of pr_warning 2019-10-18 15:00:18 +02:00
mpx.c signal: Remove task parameter from force_sig 2019-05-27 09:36:28 -05:00
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 x86: Use pr_warn instead of pr_warning 2019-10-18 15:00:18 +02:00
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 x86: Fix typos in comments 2019-11-18 10:03:26 +01:00
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: Clean up ioremap() 2019-11-11 17:19:49 +01:00
pat_internal.h x86/mm/pat: Drop the rbt_ prefix from external memtype calls 2019-11-21 18:48:07 +01:00
pat_interval.c x86/mm/pat: Rename pat_rbtree.c to pat_interval.c 2019-11-21 18:48:18 +01:00
pat.c x86/mm/pat: Drop the rbt_ prefix from external memtype calls 2019-11-21 18:48:07 +01:00
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 x86/mm: Use the correct function type for native_set_fixmap() 2019-10-11 12:52:32 +02:00
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 x86/vmlinux: Actually use _etext for the end of the text segment 2019-11-04 17:54:16 +01:00
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 Printk changes for 5.5 2019-11-25 19:40:40 -08:00
tlb.c x86/mm: Avoid redundant interrupt disable in load_mm_cr4() 2019-07-24 14:43:37 +02:00