Merge patch series "riscv: Add GENERIC_ENTRY support"

Merge patch series "riscv: Add GENERIC_ENTRY support"

guoren@kernel.org <guoren@kernel.org> says:

From: Guo Ren <guoren@linux.alibaba.com>

The patches convert riscv to use the generic entry infrastructure from
kernel/entry/*. Some optimization for entry.S with new .macro and merge
ret_from_kernel_thread into ret_from_fork.

* b4-shazam-merge:
  riscv: entry: Consolidate general regs saving/restoring
  riscv: entry: Consolidate ret_from_kernel_thread into ret_from_fork
  riscv: entry: Remove extra level wrappers of trace_hardirqs_{on,off}
  riscv: entry: Convert to generic entry
  riscv: entry: Add noinstr to prevent instrumentation inserted
  riscv: ptrace: Remove duplicate operation

Link: https://lore.kernel.org/r/20230222033021.983168-1-guoren@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>