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bd5050e38a
linux_dsm_epyc7002/arch/powerpc/mm
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Aneesh Kumar K.V bd5050e38a powerpc/mm/radix: Change pte relax sequence to handle nest MMU hang 
When relaxing access (read -> read_write update), pte needs to be marked invalid
to handle a nest MMU bug. We also need to do a tlb flush after the pte is
marked invalid before updating the pte with new access bits.

We also move tlb flush to platform specific __ptep_set_access_flags. This will
help us to gerid of unnecessary tlb flush on BOOK3S 64 later. We don't do that
in this patch. This also helps in avoiding multiple tlbies with coprocessor
attached.

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
2018-06-03 20:40:34 +10:00
..
8xx_mmu.c powerpc/mm/slice: Fix hugepage allocation at hint address on 8xx 2018-03-06 09:21:23 +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: Delete __cpuinit usage from all users 2013-07-01 11:10:36 +10:00
copro_fault.c powerpc/mm: Add support for handling > 512TB address in SLB miss 2018-03-31 00:10:38 +11:00
dma-noncoherent.c powerpc/mm: Rename map_page() to map_kernel_page() on 32-bit 2017-06-05 19:59:03 +10:00
drmem.c powerpc/mm/drmem: Fix unexpected flag value in ibm,dynamic-memory-v2 2018-02-23 16:45:51 +11:00
dump_hashpagetable.c powerpc/64s: Replace CONFIG_PPC_STD_MMU_64 with CONFIG_PPC_BOOK3S_64 2017-11-06 16:48:14 +11:00
dump_linuxpagetables.c powerpc/mm: Introduce _PAGE_NA 2018-01-16 23:47:14 +11:00
fault.c powerpc/mm: Only read faulting instruction when necessary in do_page_fault() 2018-05-25 00:08:25 +10:00
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/hash64: Store the slot information at the right offset for hugetlb 2018-02-13 22:37:48 +11:00
hash64_64k.c powerpc/mm/hash64: Store the slot information at the right offset for hugetlb 2018-02-13 22:37:48 +11:00
hash_low_32.S powerpc: fix location of two EXPORT_SYMBOL 2017-09-01 16:42:45 +10:00
hash_native_64.c Merge branch 'fixes' into next 2018-03-28 22:59:50 +11:00
hash_utils_64.c Merge branch 'topic/ppc-kvm' into next 2018-06-03 20:23:54 +10:00
highmem.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
hugepage-hash64.c powerpc/mm: Move hash table ops to a separate structure 2016-07-21 18:59:09 +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 powerpc/mm/hash64: Store the slot information at the right offset for hugetlb 2018-02-13 22:37:48 +11:00
hugetlbpage-radix.c powerpc updates for 4.15 2017-11-16 12:47:46 -08:00
hugetlbpage.c powerpc/fadump: Do not use hugepages when fadump is active 2018-05-03 23:09:25 +10:00
init_32.c powerpc/mm/32: Remove the reserved memory hack 2018-04-01 00:47:44 +11:00
init_64.c powerpc/mm/radix: Parse disable_radix commandline correctly. 2018-04-04 16:59:36 +10:00
init-common.c powerpc/mm: Fix crashes with 16G huge pages 2018-02-13 22:37:47 +11:00
Makefile powerpc: initial pkey plumbing 2018-01-20 21:45:03 +11:00
mem.c powerpc/mm: Flush cache on memory hot(un)plug 2018-04-24 09:46:56 +10:00
mmap.c exec: pass stack rlimit into mm layout functions 2018-04-11 10:28:37 -07:00
mmu_context_book3s64.c powerpc/mm: Implement helpers for pagetable fragment support at PMD level 2018-05-15 22:29:12 +10:00
mmu_context_hash32.c powerpc: Remove power3 from comments 2014-07-28 14:10:26 +10:00
mmu_context_iommu.c mm, migrate: remove reason argument from new_page_t 2018-04-11 10:28:32 -07:00
mmu_context_nohash.c powerpc/mm/slice: Simplify and optimise slice context initialisation 2018-03-13 23:43:05 +11:00
mmu_context.c powerpc, membarrier: Skip memory barrier in switch_mm() 2018-02-05 21:34:02 +01:00
mmu_decl.h powerpc/mm/32: Remove the reserved memory hack 2018-04-01 00:47:44 +11:00
numa.c Merge branch 'topic/paca' into next 2018-03-31 09:09:36 +11:00
pgtable_32.c powerpc/mm/32: Remove the reserved memory hack 2018-04-01 00:47:44 +11:00
pgtable_64.c powerpc/mm: Use page fragments for allocation page table at PMD level 2018-05-15 22:29:12 +10:00
pgtable-book3e.c powerpc/mm: Make page table size a variable 2016-05-01 18:32:48 +10:00
pgtable-book3s64.c powerpc/mm/radix: Change pte relax sequence to handle nest MMU hang 2018-06-03 20:40:34 +10:00
pgtable-hash64.c powerpc/mm: Use pmd_lockptr instead of opencoding it 2018-05-15 22:29:09 +10:00
pgtable-radix.c powerpc/mm/radix: Change pte relax sequence to handle nest MMU hang 2018-06-03 20:40:34 +10:00
pgtable.c powerpc/mm/radix: Change pte relax sequence to handle nest MMU hang 2018-06-03 20:40:34 +10:00
pkeys.c powerpc/mm/keys: Update documentation and remove unnecessary check 2018-04-04 15:23:09 +10:00
ppc_mmu_32.c powerpc/sparse: Fix plain integer as NULL pointer warning 2018-05-25 12:04:38 +10:00
slb_low.S powerpc/mm: Add support for handling > 512TB address in SLB miss 2018-03-31 00:10:38 +11:00
slb.c powerpc/mm: Add support for handling > 512TB address in SLB miss 2018-03-31 00:10:38 +11:00
slice.c powerpc/8xx: Fix build with hugetlbfs enabled 2018-04-11 12:00:23 +10:00
subpage-prot.c powerpc: Fix build by disabling attribute-alias warning for SYSCALL_DEFINEx 2018-06-03 20:40:24 +10:00
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: Fix misspellings in comments. 2016-03-01 19:27:20 +11:00
tlb_nohash_low.S powerpc/8xx: Getting rid of remaining use of CONFIG_8xx 2017-08-10 23:32:12 +10:00
tlb_nohash.c powerpc/mm/nohash: do not flush the entire mm when range is a single page 2018-01-27 20:24:44 +11:00
tlb-radix.c powerpc/mm/radix: implement LPID based TLB flushes to be used by KVM 2018-05-17 11:13:29 +10:00
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