Re: amd64: svs

2018-01-14 Thread Emmanuel Dreyfus
Emmanuel Dreyfus wrote: > It does not seems to fix much. > > I tried the tests from git repository > http://github.com/IAIK/meltdown.git > > This is Linux-centric, but at least, the "secret" case seems to apply on > NetBSD. It reports vulnerability before (cpu0: microcode

Re: amd64: svs

2018-01-14 Thread Dave Huang
On Jan 13, 2018, at 22:20, Emmanuel Dreyfus wrote: > > John Klos wrote: > >> FWIW, Intel updated their microcode on 8-Jan-2018: >> >> https://downloadcenter.intel.com/download/27431/ >> >> I can't find any documentation which shows what exactly is fixed

Re: Proposal to fix buggy PCC.

2018-01-14 Thread Taylor R Campbell
> Date: Mon, 15 Jan 2018 01:33:41 +0900 > From: "Naruaki.Etomi" > > I propose to fix buggy PCC. Cool, thanks for working on this! I don't have time to review it right now, but the main point that is broken in many of our per-CPU timecounters is that the timecounter API is

Proposal to fix buggy PCC.

2018-01-14 Thread Naruaki.Etomi
Hello all! I propose to fix buggy PCC. PCC is buggy on NetBSD/alpha MP kernel. http://mail-index.netbsd.org/port-alpha/2016/01/20/msg000735.html https://mail-index.netbsd.org/port-alpha/2017/07/13/msg000830.html I can't understand this algorithm.

Re: amd64: svs

2018-01-14 Thread Martin Husemann
On Sun, Jan 14, 2018 at 05:20:43AM +0100, Emmanuel Dreyfus wrote: > > I can't find any documentation which shows what exactly is fixed for each > > family of processors. > > It does not seems to fix much. By itself not, but it allows better workarounds by the OS. Martin