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1d87200446
Pull x86 asm updates from Ingo Molnar:
"The main changes in this cycle were:
- Cross-arch changes to move the linker sections for NOTES and
EXCEPTION_TABLE into the RO_DATA area, where they belong on most
architectures. (Kees Cook)
- Switch the x86 linker fill byte from x90 (NOP) to 0xcc (INT3), to
trap jumps into the middle of those padding areas instead of
sliding execution. (Kees Cook)
- A thorough cleanup of symbol definitions within x86 assembler code.
The rather randomly named macros got streamlined around a
(hopefully) straightforward naming scheme:
SYM_START(name, linkage, align...)
SYM_END(name, sym_type)
SYM_FUNC_START(name)
SYM_FUNC_END(name)
SYM_CODE_START(name)
SYM_CODE_END(name)
SYM_DATA_START(name)
SYM_DATA_END(name)
etc - with about three times of these basic primitives with some
label, local symbol or attribute variant, expressed via postfixes.
No change in functionality intended. (Jiri Slaby)
- Misc other changes, cleanups and smaller fixes"
* 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (67 commits)
x86/entry/64: Remove pointless jump in paranoid_exit
x86/entry/32: Remove unused resume_userspace label
x86/build/vdso: Remove meaningless CFLAGS_REMOVE_*.o
m68k: Convert missed RODATA to RO_DATA
x86/vmlinux: Use INT3 instead of NOP for linker fill bytes
x86/mm: Report actual image regions in /proc/iomem
x86/mm: Report which part of kernel image is freed
x86/mm: Remove redundant address-of operators on addresses
xtensa: Move EXCEPTION_TABLE to RO_DATA segment
powerpc: Move EXCEPTION_TABLE to RO_DATA segment
parisc: Move EXCEPTION_TABLE to RO_DATA segment
microblaze: Move EXCEPTION_TABLE to RO_DATA segment
ia64: Move EXCEPTION_TABLE to RO_DATA segment
h8300: Move EXCEPTION_TABLE to RO_DATA segment
c6x: Move EXCEPTION_TABLE to RO_DATA segment
arm64: Move EXCEPTION_TABLE to RO_DATA segment
alpha: Move EXCEPTION_TABLE to RO_DATA segment
x86/vmlinux: Move EXCEPTION_TABLE to RO_DATA segment
x86/vmlinux: Actually use _etext for the end of the text segment
vmlinux.lds.h: Allow EXCEPTION_TABLE to live in RO_DATA
...
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| .. | ||
| aegis128-aesni-asm.S | ||
| aegis128-aesni-glue.c | ||
| aes_ctrby8_avx-x86_64.S | ||
| aes_glue.c | ||
| aesni-intel_asm.S | ||
| aesni-intel_avx-x86_64.S | ||
| aesni-intel_glue.c | ||
| blake2s-core.S | ||
| blake2s-glue.c | ||
| blowfish_glue.c | ||
| blowfish-x86_64-asm_64.S | ||
| camellia_aesni_avx2_glue.c | ||
| camellia_aesni_avx_glue.c | ||
| camellia_glue.c | ||
| camellia-aesni-avx2-asm_64.S | ||
| camellia-aesni-avx-asm_64.S | ||
| camellia-x86_64-asm_64.S | ||
| cast5_avx_glue.c | ||
| cast5-avx-x86_64-asm_64.S | ||
| cast6_avx_glue.c | ||
| cast6-avx-x86_64-asm_64.S | ||
| chacha_glue.c | ||
| chacha-avx2-x86_64.S | ||
| chacha-avx512vl-x86_64.S | ||
| chacha-ssse3-x86_64.S | ||
| crc32-pclmul_asm.S | ||
| crc32-pclmul_glue.c | ||
| crc32c-intel_glue.c | ||
| crc32c-pcl-intel-asm_64.S | ||
| crct10dif-pcl-asm_64.S | ||
| crct10dif-pclmul_glue.c | ||
| curve25519-x86_64.c | ||
| des3_ede_glue.c | ||
| des3_ede-asm_64.S | ||
| ghash-clmulni-intel_asm.S | ||
| ghash-clmulni-intel_glue.c | ||
| glue_helper-asm-avx2.S | ||
| glue_helper-asm-avx.S | ||
| glue_helper.c | ||
| Makefile | ||
| nh-avx2-x86_64.S | ||
| nh-sse2-x86_64.S | ||
| nhpoly1305-avx2-glue.c | ||
| nhpoly1305-sse2-glue.c | ||
| poly1305_glue.c | ||
| poly1305-avx2-x86_64.S | ||
| poly1305-sse2-x86_64.S | ||
| serpent_avx2_glue.c | ||
| serpent_avx_glue.c | ||
| serpent_sse2_glue.c | ||
| serpent-avx2-asm_64.S | ||
| serpent-avx-x86_64-asm_64.S | ||
| serpent-sse2-i586-asm_32.S | ||
| serpent-sse2-x86_64-asm_64.S | ||
| sha1_avx2_x86_64_asm.S | ||
| sha1_ni_asm.S | ||
| sha1_ssse3_asm.S | ||
| sha1_ssse3_glue.c | ||
| sha256_ni_asm.S | ||
| sha256_ssse3_glue.c | ||
| sha256-avx2-asm.S | ||
| sha256-avx-asm.S | ||
| sha256-ssse3-asm.S | ||
| sha512_ssse3_glue.c | ||
| sha512-avx2-asm.S | ||
| sha512-avx-asm.S | ||
| sha512-ssse3-asm.S | ||
| twofish_avx_glue.c | ||
| twofish_glue_3way.c | ||
| twofish_glue.c | ||
| twofish-avx-x86_64-asm_64.S | ||
| twofish-i586-asm_32.S | ||
| twofish-x86_64-asm_64-3way.S | ||
| twofish-x86_64-asm_64.S | ||