Re: [PATCH v2 5/5] arm64/speculation: Support 'mitigations=' cmdline option
From: Josh Poimboeuf
Date: Tue Apr 16 2019 - 16:21:24 EST
On Tue, Apr 16, 2019 at 09:26:13PM +0200, Thomas Gleixner wrote:
> On Fri, 12 Apr 2019, Josh Poimboeuf wrote:
>
> > Configure arm64 runtime CPU speculation bug mitigations in accordance
> > with the 'mitigations=' cmdline option. This affects Meltdown, Spectre
> > v2, and Speculative Store Bypass.
> >
> > The default behavior is unchanged.
> >
> > Signed-off-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
> > ---
> > NOTE: This is based on top of Jeremy Linton's patches:
> > https://lkml.kernel.org/r/20190410231237.52506-1-jeremy.linton@xxxxxxx
>
> So I keep that out and we have to revisit that once the ARM64 stuff hits a
> tree, right? I can have a branch with just the 4 first patches applied
> which ARM64 folks can pull in when they apply Jeremy's patches before te
> merge window.
Sounds good to me (though I guess it's up to the arm64 maintainers how
they want to handle the dependencies).
--
Josh