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linux_dsm_epyc7002/arch/powerpc/mm
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Aneesh Kumar K.V 5b323367ef arch/powerpc/mm: Nest MMU workaround for 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").

Do the same for mprotect upgrades.

Hugetlb is handled in the next patch.

Link: http://lkml.kernel.org/r/20190116085035.29729-4-aneesh.kumar@linux.ibm.com
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
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: Michael Ellerman <mpe@ellerman.id.au>
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/hash: validate the pte entries before handling the hash fault 2018-10-03 15:39:59 +10:00
hugetlbpage-radix.c powerpc updates for 4.15 2017-11-16 12:47:46 -08:00
hugetlbpage.c powerpc updates for 4.21 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 powerpc updates for 4.20 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