Aneesh Kumar K.V 8ef5cbde6d arch/powerpc/mm/hugetlb: NestMMU workaround for hugetlb mprotect RW upgrade ...

NestMMU requires us to mark the pte invalid and flush the tlb when we do
a RW upgrade of pte.  We fixed a variant of this in the fault path in
bd5050e38a ("powerpc/mm/radix: Change pte relax sequence to handle
nest MMU hang").

Link: http://lkml.kernel.org/r/20190116085035.29729-6-aneesh.kumar@linux.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Reviewed-by: Michael Ellerman <mpe@ellerman.id.au>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2019-03-05 21:07:18 -08:00

..

8xx_mmu.c

powerpc/8xx: use modify_instruction_site()

2018-12-19 18:56:32 +11:00

40x_mmu.c

Replace <asm/uaccess.h> with <linux/uaccess.h> globally

2016-12-24 11:46:01 -08:00

44x_mmu.c

powerpc/44x: use patch_sites for TLB handlers patching

2018-12-19 18:56:32 +11:00

copro_fault.c

mm: convert return type of handle_mm_fault() caller to vm_fault_t

2018-08-17 16:20:28 -07:00

dma-noncoherent.c

powerpc/dma: split the two __dma_alloc_coherent implementations

2018-12-20 22:21:20 +11:00

drmem.c

powerpc/mm/drmem: Fix unexpected flag value in ibm,dynamic-memory-v2

2018-02-23 16:45:51 +11:00

dump_bats.c

powerpc/mm: dump block address translation on book3s/32

2018-12-04 19:46:49 +11:00

dump_hashpagetable.c

powerpc: remove superflous inclusions of asm/fixmap.h

2018-07-30 22:48:18 +10:00

dump_linuxpagetables-8xx.c

powerpc/8xx: change name of a few page flags to avoid confusion

2018-10-14 18:04:09 +11:00

dump_linuxpagetables-book3s64.c

powerpc/book3s64: fix dump_linuxpagetables "present" flag

2018-10-20 13:26:47 +11:00

dump_linuxpagetables-generic.c

powerpc/mm: add exec protection on powerpc 603

2018-12-19 18:56:32 +11:00

dump_linuxpagetables.c

powerpc/mm: Fix linux page tables build with some configs

2018-11-27 11:03:36 +11:00

dump_linuxpagetables.h

powerpc/mm: Split dump_pagelinuxtables flag_array table

2018-10-14 18:04:09 +11:00

dump_sr.c

powerpc/mm: dump segment registers on book3s/32

2018-12-04 19:45:54 +11:00

fault.c

Remove 'type' argument from access_ok() function

2019-01-03 18:57:57 -08:00

fsl_booke_mmu.c

Replace <asm/uaccess.h> with <linux/uaccess.h> globally

2016-12-24 11:46:01 -08:00

hash64_4k.c

powerpc/mm/hash: Remove the superfluous bitwise operation when find hpte group

2018-07-24 22:03:17 +10:00

hash64_64k.c

powerpc/mm/hash: Remove the superfluous bitwise operation when find hpte group

2018-07-24 22:03:17 +10:00

hash_low_32.S

powerpc/book3s/32: Use patch_site to patch hash functions

2018-12-19 18:56:32 +11:00

hash_native_64.c

powerpc/64s/hash: Do not use PPC_INVALIDATE_ERAT on CPUs before POWER9

2018-10-04 23:16:53 +10:00

hash_utils_64.c

powerpc/64s/hash: Simplify slb_flush_and_rebolt()

2018-10-14 18:04:09 +11:00

highmem.c

powerpc/mm: remove warning about ‘type’ being set

2018-08-10 22:12:38 +10:00

hugepage-hash64.c

arch/powerpc/mm/hash: validate the pte entries before handling the hash fault

2018-10-03 15:39:59 +10:00

hugetlbpage-book3e.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

hugetlbpage-hash64.c

arch/powerpc/mm/hugetlb: NestMMU workaround for hugetlb mprotect RW upgrade

2019-03-05 21:07:18 -08:00

hugetlbpage-radix.c

arch/powerpc/mm/hugetlb: NestMMU workaround for hugetlb mprotect RW upgrade

2019-03-05 21:07:18 -08:00

hugetlbpage.c

Merge tag 'powerpc-4.21-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

2018-12-27 10:43:24 -08:00

init_32.c

powerpc/mm/32: Remove the reserved memory hack

2018-04-01 00:47:44 +11:00

init_64.c

powerpc/mm: Fallback to RAM if the altmap is unusable

2018-12-09 21:33:21 +11:00

init-common.c

powerpc/mm: remove unnecessary test in pgtable_cache_init()

2018-12-04 19:45:01 +11:00

Makefile

powerpc/mm: dump block address translation on book3s/32

2018-12-04 19:46:49 +11:00

mem.c

mm, memory_hotplug: add nid parameter to arch_remove_memory

2018-12-28 12:11:49 -08:00

mmap.c

exec: pass stack rlimit into mm layout functions

2018-04-11 10:28:37 -07:00

mmu_context_book3s64.c

powerpc/mm: Move pte_fragment_alloc() to a common location

2018-12-04 19:45:01 +11:00

mmu_context_hash32.c

powerpc: remove unnecessary inclusion of asm/tlbflush.h

2018-07-30 22:48:20 +10:00

mmu_context_iommu.c

powerpc/vfio/iommu/kvm: Do not pin device memory

2018-12-21 16:20:46 +11:00

mmu_context_nohash.c

powerpc/mm: define an empty slice_init_new_context_exec()

2018-12-19 18:56:32 +11:00

mmu_context.c

powerpc/mm: Extend pte_fragment functionality to PPC32

2018-12-04 19:45:01 +11:00

mmu_decl.h

powerpc: change CONFIG_6xx to CONFIG_PPC_BOOK3S_32

2018-11-26 22:33:37 +11:00

numa.c

mm: replace all open encodings for NUMA_NO_NODE

2019-03-05 21:07:14 -08:00

pgtable_32.c

mm: treewide: remove unused address argument from pte_alloc functions

2019-01-04 13:13:47 -08:00

pgtable_64.c

powerpc/mm: use pte helpers in generic code

2018-10-14 18:04:09 +11:00

pgtable-book3e.c

powerpc: handover page flags with a pgprot_t parameter

2018-10-14 18:04:09 +11:00

pgtable-book3s64.c

arch/powerpc/mm: Nest MMU workaround for mprotect RW upgrade

2019-03-05 21:07:18 -08:00

pgtable-frag.c

mm: treewide: remove unused address argument from pte_alloc functions

2019-01-04 13:13:47 -08:00

pgtable-hash64.c

powerpc: handover page flags with a pgprot_t parameter

2018-10-14 18:04:09 +11:00

pgtable-radix.c

arch/powerpc/mm: Nest MMU workaround for mprotect RW upgrade

2019-03-05 21:07:18 -08:00

pgtable.c

powerpc/mm: add exec protection on powerpc 603

2018-12-19 18:56:32 +11:00

pkeys.c

powerpc/pkeys: Fix handling of pkey state across fork()

2018-12-21 14:46:50 +11:00

ppc_mmu_32.c

powerpc/book3s/32: fix number of bats in p/v_block_mapped()

2018-12-19 18:56:32 +11:00

slb.c

powerpc/mm/64s: Fix preempt warning in slb_allocate_kernel()

2018-11-12 13:22:10 +11:00

slice.c

powerpc/mm: fix always true/false warning in slice.c

2018-10-20 13:26:47 +11:00

subpage-prot.c

Remove 'type' argument from access_ok() function

2019-01-03 18:57:57 -08:00

tlb_hash32.c

powerpc/sparse: Fix plain integer as NULL pointer warning

2018-05-25 12:04:38 +10:00

tlb_hash64.c

powerpc/mm: Add support for handling > 512TB address in SLB miss

2018-03-31 00:10:38 +11:00

tlb_low_64e.S

powerpc/fsl: Flush the branch predictor at each kernel entry (64bit)

2018-12-20 22:59:03 +11:00

tlb_nohash_low.S

powerpc: clean inclusions of asm/feature-fixups.h

2018-07-30 22:48:17 +10:00

tlb_nohash.c

powerpc/8xx: Enable 512k hugepage support with HW assistance

2018-12-04 19:45:01 +11:00

tlb-radix.c

Merge tag 'powerpc-4.20-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux

2018-10-26 14:36:21 -07:00

vphn.c

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

vphn.h

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00