RE: arch/x86/lib/copy_mc.c:30:1: warning: no previous prototype for 'copy_mc_fragile_handle_tail'

Luck, Tony
2021-06-09T23:55:38Z

> This routine is only ever called from ASM code, so the fact that there
> is no C declaration is expected.

Does the asm code really need to call back into C?

Could you just have the asm code do "jmp .L_read_trailing_bytes" (might need to only do that if %ecx is non-zero)?

-Tony