Re: [PATCHv5 28/37] x86/vdso: Enable static branches for the timens vdso

2019-08-01 Thread Thomas Gleixner
On Wed, 31 Jul 2019, Andy Lutomirski wrote: > On Mon, Jul 29, 2019 at 2:58 PM Dmitry Safonov wrote: > > As it has been discussed on timens RFC, adding a new conditional branch > > `if (inside_time_ns)` on VDSO for all processes is undesirable. > > > > Addressing those problems, there are two

Re: [PATCHv5 28/37] x86/vdso: Enable static branches for the timens vdso

2019-07-31 Thread Andy Lutomirski
On Mon, Jul 29, 2019 at 2:58 PM Dmitry Safonov wrote: > > From: Andrei Vagin > > As it has been discussed on timens RFC, adding a new conditional branch > `if (inside_time_ns)` on VDSO for all processes is undesirable. > > Addressing those problems, there are two versions of VDSO's .so: > for

[PATCHv5 28/37] x86/vdso: Enable static branches for the timens vdso

2019-07-29 Thread Dmitry Safonov
From: Andrei Vagin As it has been discussed on timens RFC, adding a new conditional branch `if (inside_time_ns)` on VDSO for all processes is undesirable. Addressing those problems, there are two versions of VDSO's .so: for host tasks (without any penalty) and for processes inside of time