| commit | 6cfe29821979c42cd812878e05577f69f99fafaf | [log] [tgz] |
|---|---|---|
| author | Andy Lutomirski <luto@amacapital.net> | Fri May 02 10:52:45 2014 -0700 |
| committer | Andy Lutomirski <luto@amacapital.net> | Fri May 02 16:52:16 2014 -0700 |
| tree | cdc316fa7b20e1ad5c91b5fc313bc065f2c030ef | |
| parent | d1db0eea852497762cab43b905b879dfcd3b8987 [diff] |
x86: Return to kernel without IRET On my box, this saves about 100ns on each interrupt and trap that happens while running in kernel space. This speeds up my kernel_pf microbenchmark by about 17%. Signed-off-by: Andy Lutomirski <luto@amacapital.net>