Re: remove the last set_fs() in common code, and remove it for x86 and powerpc v2

Al Viro
2020-09-01T17:25:28Z

On Tue, Sep 01, 2020 at 07:13:00PM +0200, Christophe Leroy wrote:

> 10.92% dd [kernel.kallsyms] [k] iov_iter_zero

Interesting... Could you get an instruction-level profile inside iov_iter_zero(),
along with the disassembly of that sucker?