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cf209951fa7f2e7a8ec92f45f27ea11bc024bbfc
linux/arch/powerpc
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Christophe Leroy cf209951fa powerpc/8xx: Map linear memory with huge pages 
Map linear memory space with 512k and 8M pages whenever
possible.

Three mappings are performed:
- One for kernel text
- One for RO data
- One for the rest

Separating the mappings is done to be able to update the
protection later when using STRICT_KERNEL_RWX.

The ITLB miss handler now need to also handle huge TLBs
unless kernel text in pinned.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/c44f0ab5510474f25123d904cd1f4e5c6aa3c1ac.1589866984.git.christophe.leroy@csgroup.eu
2020-05-26 22:22:23 +10:00
..
boot
powerpc/wrapper: Output linker map file
2020-05-19 00:10:35 +10:00
configs
powerpc/8xx: Drop CONFIG_8xx_COPYBACK option
2020-05-26 22:22:20 +10:00
crypto
crypto: remove CRYPTO_TFM_RES_BAD_KEY_LEN
2020-01-09 11:30:53 +08:00
include
powerpc/8xx: Add a function to early map kernel via huge pages
2020-05-26 22:22:22 +10:00
kernel
powerpc/8xx: Map linear memory with huge pages
2020-05-26 22:22:23 +10:00
kexec
Merge tag 'powerpc-5.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
2020-04-05 11:12:59 -07:00
kvm
powerpc/watchpoint: Rename current DAWR macros
2020-05-19 00:11:03 +10:00
lib
powerpc sstep: Add support for prefixed fixed-point arithmetic
2020-05-19 00:11:03 +10:00
math-emu
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
2019-05-30 11:26:32 -07:00
mm
powerpc/8xx: Map linear memory with huge pages
2020-05-26 22:22:23 +10:00
net
treewide: Use sizeof_field() macro
2019-12-09 10:36:44 -08:00
oprofile
Merge tag 'powerpc-5.6-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
2020-02-04 13:06:46 +00:00
perf
powerpc/8xx: Remove now unused TLB miss functions
2020-05-26 22:22:22 +10:00
platforms
powerpc/8xx: Add a function to early map kernel via huge pages
2020-05-26 22:22:22 +10:00
purgatory
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
sysdev
powerpc/8xx: Don't set IMMR map anymore at boot
2020-05-26 22:22:21 +10:00
tools
powerpc/head_check: Avoid broken pipe
2020-05-19 00:10:35 +10:00
xmon
powerpc/watchpoint/xmon: Support 2nd DAWR
2020-05-19 00:14:45 +10:00
Kbuild
powerpc/kexec: Move kexec files into a dedicated subdir.
2019-11-21 15:41:34 +11:00
Kconfig
powerpc/mm: Don't be too strict with _etext alignment on PPC32
2020-05-26 22:22:22 +10:00
Kconfig.debug
powerpc/ptdump: Only enable PPC_CHECK_WX with STRICT_KERNEL_RWX
2020-01-23 21:31:13 +11:00
Makefile
powerpc: Suppress .eh_frame generation
2020-04-01 14:30:51 +11:00
Makefile.postlink
powerpc: Do not consider weak unresolved symbol relocations as bad
2020-01-31 20:17:22 +11:00