kernel: enable static key

Enable static key (jump label) on all supported architectures. This
lowers overhead and stress on the branch prediction of the CPU and
generally makes the kernel faster.

Signed-off-by: Qingfang Deng <dqfext@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/23073
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

diff --git a/target/linux/generic/config-6.12 b/target/linux/generic/config-6.12
index fd4b90aa681dd0fed8829f0ba513d1a6bcce256d..51b7dc79d8de20b4bec6ece3f9ed4b886902a364 100644 (file)
--- a/target/linux/generic/config-6.12
+++ b/target/linux/generic/config-6.12
@@ -3017,7 +3017,9 @@ CONFIG_JFFS2_SUMMARY=y
 # CONFIG_JME is not set
 CONFIG_JOLIET=y
 # CONFIG_JSA1212 is not set
-# CONFIG_JUMP_LABEL is not set
+CONFIG_JUMP_LABEL=y
+CONFIG_JUMP_LABEL_FEATURE_CHECKS=y
+# CONFIG_JUMP_LABEL_FEATURE_CHECK_DEBUG is not set
 # CONFIG_JZ4740_WDT is not set
 # CONFIG_KALLSYMS is not set
 # CONFIG_KALLSYMS_ABSOLUTE_PERCPU is not set

diff --git a/target/linux/generic/config-6.18 b/target/linux/generic/config-6.18
index fbc54c3d780eb5ba61821f7fe3e5b0a6653a9661..44578c1d731f09dd85a858d0f78546d8390432d7 100644 (file)
--- a/target/linux/generic/config-6.18
+++ b/target/linux/generic/config-6.18
@@ -3139,7 +3139,9 @@ CONFIG_JFFS2_SUMMARY=y
 # CONFIG_JME is not set
 CONFIG_JOLIET=y
 # CONFIG_JSA1212 is not set
-# CONFIG_JUMP_LABEL is not set
+CONFIG_JUMP_LABEL=y
+CONFIG_JUMP_LABEL_FEATURE_CHECKS=y
+# CONFIG_JUMP_LABEL_FEATURE_CHECK_DEBUG is not set
 # CONFIG_JZ4740_WDT is not set
 # CONFIG_KALLSYMS is not set
 # CONFIG_KALLSYMS_ABSOLUTE_PERCPU is not set