Re: [PATCH v5 0/1] MR8466: ntdll: Also restore rbp before calling user mode callback.

[Yuxuan Shui (＠yshui)]

> You can't be modifying non-volatile registers in the middle of C code

You just need to put them in the [output list](https://gcc.gnu.org/onlinedocs/gcc/Extended-Asm.html#OutputOperands) and the compiler knows you are modifying them, so that should be fine. (albeit i mixed up output and input operands).