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authorArd Biesheuvel <ardb@kernel.org>2022-06-15 17:41:42 +0200
committerPeter Zijlstra <peterz@infradead.org>2022-06-24 09:48:55 +0200
commit7e6b9db27de9f69a705c1a046d45882c768e16c3 (patch)
tree4d17aca7fd1d19374a41639fede3095b1117bb0e /Documentation/staging
parentfdfd42892f311e2b3695852036e5be23661dc590 (diff)
jump_label: make initial NOP patching the special case
Instead of defaulting to patching NOP opcodes at init time, and leaving it to the architectures to override this if this is not needed, switch to a model where doing nothing is the default. This is the common case by far, as only MIPS requires NOP patching at init time. On all other architectures, the correct encodings are emitted by the compiler and so no initial patching is needed. Signed-off-by: Ard Biesheuvel <ardb@kernel.org> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Mark Rutland <mark.rutland@arm.com> Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org> Link: https://lore.kernel.org/r/20220615154142.1574619-4-ardb@kernel.org
Diffstat (limited to 'Documentation/staging')
-rw-r--r--Documentation/staging/static-keys.rst3
1 files changed, 0 insertions, 3 deletions
diff --git a/Documentation/staging/static-keys.rst b/Documentation/staging/static-keys.rst
index 38290b9f25eb..b0a519f456cf 100644
--- a/Documentation/staging/static-keys.rst
+++ b/Documentation/staging/static-keys.rst
@@ -201,9 +201,6 @@ static_key->entry field makes use of the two least significant bits.
* ``void arch_jump_label_transform(struct jump_entry *entry, enum jump_label_type type)``,
see: arch/x86/kernel/jump_label.c
-* ``__init_or_module void arch_jump_label_transform_static(struct jump_entry *entry, enum jump_label_type type)``,
- see: arch/x86/kernel/jump_label.c
-
* ``struct jump_entry``,
see: arch/x86/include/asm/jump_label.h