Peter Zijlstra c9fd00d8e6 objtool: Explicitly avoid self modifying code in .altinstr_replacement ...

commit dd003edeffa3cb87bc9862582004f405d77d7670 upstream.

Assume ALTERNATIVE()s know what they're doing and do not change, or
cause to change, instructions in .altinstr_replacement sections.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Borislav Petkov <bp@suse.de>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Tested-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/r/20211026120309.722511775@infradead.org
[cascardo: context adjustment]
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2022-07-23 12:53:50 +02:00

..

arch/x86

objtool: Add straight-line-speculation validation

2022-05-15 20:18:50 +02:00

Documentation

objtool: Support stack layout changes in alternatives

2021-01-14 09:53:54 -06:00

include/objtool

objtool: Classify symbols

2022-07-23 12:53:49 +02:00

.gitignore

objtool: Rework header include paths

2021-01-13 18:13:14 -06:00

Build

objtool: Enable compilation of objtool for all architectures

2020-05-20 09:17:28 -05:00

builtin-check.c

objtool: Add straight-line-speculation validation

2022-05-15 20:18:50 +02:00

builtin-orc.c

objtool: Collate parse_options() users

2021-03-06 12:44:23 +01:00

check.c

objtool: Explicitly avoid self modifying code in .altinstr_replacement

2022-07-23 12:53:50 +02:00

elf.c

objtool: Fix symbol creation

2022-06-09 10:23:18 +02:00

Makefile

objtool: Refactor ORC section generation

2021-01-14 09:53:42 -06:00

objtool.c

Merge tag 'objtool-core-2021-04-28' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

2021-04-28 12:53:24 -07:00

orc_dump.c

x86/unwind/orc: Change REG_SP_INDIRECT

2021-02-10 20:53:51 +01:00

orc_gen.c

objtool: Remove redundant 'len' field from struct section

2021-10-05 12:03:21 -07:00

special.c

objtool: Remove redundant 'len' field from struct section

2021-10-05 12:03:21 -07:00

sync-check.sh

Merge branch 'x86/cpu' into WIP.x86/core, to merge the NOP changes & resolve a semantic conflict

2021-04-02 12:36:30 +02:00

weak.c

objtool: Refactor ORC section generation

2021-01-14 09:53:42 -06:00