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tools: Add riscv barrier implementation

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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>
This commit is contained in:
Charlie Jenkins
2024-08-06 15:01:23 -07:00
committed by Palmer Dabbelt
parent 8400291e28
commit 6d74d178fe
3 changed files with 54 additions and 0 deletions
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tools/include/asm/barrier.h
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@@ -8,6 +8,8 @@
#include "../../arch/arm64/include/asm/barrier.h"
#elif defined(__powerpc__)
#include "../../arch/powerpc/include/asm/barrier.h"
#elif defined(__riscv)
#include "../../arch/riscv/include/asm/barrier.h"
#elif defined(__s390__)
#include "../../arch/s390/include/asm/barrier.h"
#elif defined(__sh__)