10:13 a.m.
On Wed, Jun 9, 2021 at 4:55 PM Luck, Tony <tony.luck(a)intel.com> wrote:
> 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)?
I could... it turns out when Peter did this:
3693ca81151e x86/uaccess: Move copy_user_handle_tail() into asm
...he did not also go fixup my cargo culting. I'll take a look...