On Tue, Oct 29, 2019 at 01:00:38PM -0700, speck for Pawan Gupta wrote:
> On Tue, Oct 29, 2019 at 09:14:27AM -0700, speck for mark gross wrote:
> > On Mon, Oct 28, 2019 at 09:31:40AM +0100, speck for Thomas Gleixner wrote:
> > > Folks,
> > > 
> > > I've merged the V2 of Boris' cleaned up variant of the TAA series. Thanks
> > > Boris for handling that!
> > > 
> > > The master branch is based on v5.4-rc5 and the commits are considered
> > > stable from now on. Any further tweaks need to go on top.
> > > 
> > > The stable branches linux-5.3.y, linux-4.19.y and linix-4.14.y have the
> > > backports. These need some careful inspection and testing.
> > Neelima, our testing lead, is getting her spec-list access enabled so I'm
> > sending this quick note on the testing so far:
> > 5.3.y backport checked out.
> > 4.19.y backport is showing some issues with disabling TSX.  We are
> > investigating and will report out more detail / patch update ASAP.
> 
> 4.14 and 4.19 needs this change as well, 5.3 is fine.
> 
> ---
> diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
> index 97f79547782e..a05637f6d95b 100644
> --- a/arch/x86/kernel/cpu/common.c
> +++ b/arch/x86/kernel/cpu/common.c
> @@ -1497,6 +1497,7 @@ void __init identify_boot_cpu(void)
>         enable_sep_cpu();
>  #endif
>         cpu_detect_tlb(&boot_cpu_data);
> +       tsx_init();
>  }
>  
>  void identify_secondary_cpu(struct cpuinfo_x86 *c)

Attaching bundles with these minor changes included. All backports are
tested to be working fine. 4.4 is not ported yet, KVM patches have
multiple unmet dependencies.

Thanks,
Pawan