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Daniel Borkmann 4b3da77b72 bpf, x86: Generalize and extend bpf_arch_text_poke for direct jumps 
Add BPF_MOD_{NOP_TO_JUMP,JUMP_TO_JUMP,JUMP_TO_NOP} patching for x86
JIT in order to be able to patch direct jumps or nop them out. We need
this facility in order to patch tail call jumps and in later work also
BPF static keys.

Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Andrii Nakryiko <andriin@fb.com>
Link: https://lore.kernel.org/bpf/aa4784196a8e5e985af4b30a4fe5336bce6e9643.1574452833.git.daniel@iogearbox.net
2019-11-24 16:58:47 -08:00
..
alpha mm: introduce MADV_PAGEOUT 2019-09-25 17:51:41 -07:00
arc ARC: perf: Accommodate big-endian CPU 2019-10-22 09:59:43 -07:00
arm arm: omap2plus_defconfig: enable new cpsw switchdev driver 2019-11-20 11:25:24 -08:00
arm64 arm64 fix for 5.4 2019-11-21 12:15:24 -08:00
c6x mm: consolidate pgtable_cache_init() and pgd_cache_init() 2019-09-24 15:54:09 -07:00
csky csky-for-linus-5.4-rc1: arch/csky patches for 5.4-rc1 2019-09-30 10:16:17 -07:00
h8300 mm: consolidate pgtable_cache_init() and pgd_cache_init() 2019-09-24 15:54:09 -07:00
hexagon mm: treewide: clarify pgtable_page_{ctor,dtor}() naming 2019-09-26 10:10:44 -07:00
ia64 Merge branch 'akpm' (patches from Andrew) 2019-09-24 16:10:23 -07:00
m68k mm: treewide: clarify pgtable_page_{ctor,dtor}() naming 2019-09-26 10:10:44 -07:00
microblaze Merge branch 'akpm' (patches from Andrew) 2019-09-24 16:10:23 -07:00
mips A fix & simplification for SGI IP27 exception handlers, and a small 2019-11-15 09:10:13 -08:00
nds32 mm: consolidate pgtable_cache_init() and pgd_cache_init() 2019-09-24 15:54:09 -07:00
nios2 nios2 update for v5.4-rc1 2019-09-27 13:02:19 -07:00
openrisc mm: treewide: clarify pgtable_page_{ctor,dtor}() naming 2019-09-26 10:10:44 -07:00
parisc parisc: fix frame pointer in ftrace_regs_caller() 2019-10-30 21:24:40 +01:00
powerpc powerpc: Add const qual to local_read() parameter 2019-11-24 15:06:33 -08:00
riscv RISC-V: Add PCIe I/O BAR memory mapping 2019-10-28 10:43:32 -07:00
s390 Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2019-11-20 18:11:23 -08:00
sh mm: treewide: clarify pgtable_page_{ctor,dtor}() naming 2019-09-26 10:10:44 -07:00
sparc sparc: vdso: fix build error of vdso32 2019-11-15 00:12:28 +09:00
um um-ubd: Entrust re-queue to the upper layers 2019-10-29 10:07:41 -06:00
unicore32 mm: treewide: clarify pgtable_page_{ctor,dtor}() naming 2019-09-26 10:10:44 -07:00
x86 bpf, x86: Generalize and extend bpf_arch_text_poke for direct jumps 2019-11-24 16:58:47 -08:00
xtensa xtensa: fix change_bit in exclusive access option 2019-10-16 00:14:33 -07:00
.gitignore
Kconfig arm64, mm: make randomization selected by generic topdown mmap layout 2019-09-24 15:54:11 -07:00