Nathan Huckleberry 6c58f25e69 riscv/atomic: Fix sign extension for RV64I ... The argument passed to cmpxchg is not guaranteed to be sign extended, but lr.w sign extends on RV64I. This makes cmpxchg fail on clang built kernels when __old is negative. To fix this, we just cast __old to long which sign extends on RV64I. With this fix, clang built RISC-V kernels now boot. Link: https://github.com/ClangBuiltLinux/linux/issues/867 Signed-off-by: Nathan Huckleberry <nhuck@google.com> Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>		2020-06-12 12:07:58 -07:00
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asm	riscv/atomic: Fix sign extension for RV64I	2020-06-12 12:07:58 -07:00
uapi/asm	riscv, bpf: Add missing uapi header for BPF_PROG_TYPE_PERF_EVENT programs	2019-12-19 16:03:31 +01:00