kernel.git/tools/arch/riscv/include/asm/fence.h, branch masterHosts the 0x221E linux distro kernel.
https://git.0xinfinity.dev/distro/kernel.git/atom?h=master2024-09-20T08:46:46Ztools: Add riscv barrier implementation2024-09-20T08:46:46ZCharlie Jenkins2024-08-06T22:01:23Zurn:sha1:6d74d178fe6eaf61e384f3be6ba64150bddce8a6
Many of the other architectures use their custom barrier implementations.
Use the barrier code from the kernel sources to optimize barriers in
tools.
Signed-off-by: Charlie Jenkins <charlie@rivosinc.com>
Reviewed-by: Andrea Parri <parri.andrea@gmail.com>
Link: https://lore.kernel.org/r/20240806-optimize_ring_buffer_read_riscv-v2-1-ca7e193ae198@rivosinc.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>