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684c1664e0
linux/arch/powerpc/mm
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Christophe Leroy 684c1664e0 powerpc/8xx: Always pin TLBs at startup. 
At startup, map 32 Mbytes of memory through 4 pages of 8M,
and PIN them inconditionnaly. They need to be pinned because
KASAN is using page tables early and the TLBs might be
dynamically replaced otherwise.

Remove RSV4I flag after installing mappings unless
CONFIG_PIN_TLB_XXXX is selected.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/b27c5767d18053b59f7eefddc189fcc3acf7b9c2.1589866984.git.christophe.leroy@csgroup.eu
2020-05-26 22:22:22 +10:00
..
book3s32 powerpc/32s: Don't warn when mapping RO data ROX. 2020-05-26 22:22:19 +10:00
book3s64 powerpc: Replace _ALIGN_UP() by ALIGN() 2020-05-11 23:15:15 +10:00
kasan powerpc/kasan: Declare kasan_init_region() weak 2020-05-20 23:41:03 +10:00
nohash powerpc/8xx: Always pin TLBs at startup. 2020-05-26 22:22:22 +10:00
ptdump powerpc/ptdump: Handle hugepd at PGD level 2020-05-26 22:22:19 +10:00
copro_fault.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 153 2019-05-30 11:26:32 -07:00
dma-noncoherent.c dma-mapping: drop the dev argument to arch_sync_dma_for_* 2019-11-20 20:31:38 +01:00
drmem.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
fault.c powerpc: Add a probe_user_read_inst() function 2020-05-19 00:10:37 +10:00
highmem.c powerpc/highmem: Change BUG_ON() to WARN_ON() 2019-04-20 22:02:11 +10:00
hugetlbpage.c powerpc/8xx: Only 8M pages are hugepte pages now 2020-05-26 22:22:21 +10:00
init_32.c powerpc/kasan: Fix shadow pages allocation failure 2020-05-20 23:41:02 +10:00
init_64.c powerpc: Replace _ALIGN_DOWN() by ALIGN_DOWN() 2020-05-11 23:15:15 +10:00
init-common.c powerpc: introduce kernstart_virt_addr to store the kernel base 2019-11-13 19:27:32 +11:00
ioremap_32.c powerpc/ioremap: warn on early use of ioremap() 2019-11-19 19:38:38 +11:00
ioremap_64.c powerpc/ioremap: warn on early use of ioremap() 2019-11-19 19:38:38 +11:00
ioremap.c mm/memremap_pages: Introduce memremap_compat_align() 2020-02-20 16:58:55 -08:00
Makefile powerpc/mm: Move ioremap functions out of pgtable_32/64.c 2019-08-27 13:03:35 +10:00
mem.c mm/memory_hotplug: add pgprot_t to mhp_params 2020-04-10 15:36:21 -07:00
mmap.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156 2019-05-30 11:26:35 -07:00
mmu_context.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 2019-05-30 11:26:32 -07:00
mmu_decl.h powerpc/8xx: Don't set IMMR map anymore at boot 2020-05-26 22:22:21 +10:00
numa.c powerpc/numa: Remove late request for home node associativity 2020-03-04 22:44:31 +11:00
pgtable_32.c powerpc/mm: Fix conditions to perform MMU specific management by blocks on PPC32. 2020-05-26 22:22:19 +10:00
pgtable_64.c powerpc/mm: Move ioremap functions out of pgtable_32/64.c 2019-08-27 13:03:35 +10:00
pgtable-frag.c mm: treewide: clarify pgtable_page_{ctor,dtor}() naming 2019-09-26 10:10:44 -07:00
pgtable.c powerpc/8xx: Manage 512k huge pages as standard pages. 2020-05-26 22:22:21 +10:00
slice.c powerpc: Replace _ALIGN_UP() by ALIGN() 2020-05-11 23:15:15 +10:00