d0bd31dc5c
- add SSP support;
- add KASAN support;
- improvements to xtensa-specific assembly:
- use ENTRY and ENDPROC consistently;
- clean up and unify word alignment macros;
- clean up and unify fixup marking;
- use 'call' instead of 'callx' where possible;
- various cleanups:
- consiolidate kernel stack size related definitions;
- replace #ifdef'fed/commented out debug printk statements with pr_debug;
- use struct exc_table instead of flat array for exception handling data;
- build kernel with -mtext-section-literals; simplify xtensa linker script;
- fix futex_atomic_cmpxchg_inatomic.
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Merge tag 'xtensa-20180129' of git://github.com/jcmvbkbc/linux-xtensa
Pull Xtensa updates from Max Filippov:
- add SSP support
- add KASAN support
- improvements to xtensa-specific assembly:
- use ENTRY and ENDPROC consistently
- clean up and unify word alignment macros
- clean up and unify fixup marking
- use 'call' instead of 'callx' where possible
- various cleanups:
- consiolidate kernel stack size related definitions
- replace #ifdef'fed/commented out debug printk statements with
pr_debug
- use struct exc_table instead of flat array for exception handling
data
- build kernel with -mtext-section-literals; simplify xtensa linker
script
- fix futex_atomic_cmpxchg_inatomic()
* tag 'xtensa-20180129' of git://github.com/jcmvbkbc/linux-xtensa: (21 commits)
xtensa: fix futex_atomic_cmpxchg_inatomic
xtensa: shut up gcc-8 warnings
xtensa: print kernel sections info in mem_init
xtensa: use generic strncpy_from_user with KASAN
xtensa: use __memset in __xtensa_clear_user
xtensa: add support for KASAN
xtensa: move fixmap and kmap just above the KSEG
xtensa: don't clear swapper_pg_dir in paging_init
xtensa: extract init_kio
xtensa: implement early_trap_init
xtensa: clean up exception handling structure
xtensa: clean up custom-controlled debug output
xtensa: enable stack protector
xtensa: print hardware config ID on startup
xtensa: consolidate kernel stack size related definitions
xtensa: clean up functions in assembly code
xtensa: clean up word alignment macros in assembly code
xtensa: clean up fixups in assembly code
xtensa: use call instead of callx in assembly code
xtensa: build kernel with text-section-literals
...
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#
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# Feature name: KASAN
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# Kconfig: HAVE_ARCH_KASAN
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# description: arch supports the KASAN runtime memory checker
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#
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-----------------------
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| arch |status|
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-----------------------
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| alpha: | TODO |
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| arc: | TODO |
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| arm: | TODO |
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| arm64: | ok |
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| blackfin: | TODO |
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| c6x: | TODO |
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| cris: | TODO |
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| frv: | TODO |
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| h8300: | TODO |
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| hexagon: | TODO |
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| ia64: | TODO |
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| m32r: | TODO |
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| m68k: | TODO |
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| metag: | TODO |
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| microblaze: | TODO |
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| mips: | TODO |
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| mn10300: | TODO |
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| nios2: | TODO |
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| openrisc: | TODO |
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| parisc: | TODO |
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| powerpc: | TODO |
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| s390: | TODO |
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| score: | TODO |
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| sh: | TODO |
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| sparc: | TODO |
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| tile: | TODO |
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| um: | TODO |
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| unicore32: | TODO |
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| x86: | ok | 64-bit only
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| xtensa: | ok |
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-----------------------
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