RCU is better than brlock across the board. In fact, RCU has replaced brlock in the 2.5 kernel, thanks to Steve Hemminger of OSDL and a number of Linux's networking luminaries. RCU is the best option ...

RCU (read-copy update), a synchronization technique optimized for read-mostly data structures, recently was added to the Linux 2.6 kernel. This article describes how RCU improved the scalability of ...

Starting kernel ... [ 0.000000] Linux version 5.12.2-riscv64-x1 (sarnold@ptolemy) (riscv64-unknown-linux-gnu-gcc (Gentoo Hardened 10.2.0-r5 p6) 10.2.0, GNU ld (Gentoo 2.35.2 p1) 2.35.2) #1 SMP Sun May ...

Since Linux kernel release 5.10, there's a config option CONFIG_RCU_STRICT_GRACE_PERIOD=y specifically to help find UAFs under KASAN: config RCU_STRICT_GRACE_PERIOD bool "Provide debug RCU ...