Will be joining in ~ 5 mins. Getting Chromium set up here. ----- Original Message ----- > From: "Jiri Kosina" <ji...@kernel.org> > To: "Josh Poimboeuf" <jpoim...@redhat.com> > Cc: "Peter Zijlstra" <pet...@infradead.org>, "Heiko Carstens" > <heiko.carst...@de.ibm.com>, "Paul Mackerras" > <pau...@samba.org>, "H . Peter Anvin" <h...@zytor.com>, "Ingo Molnar" > <mi...@kernel.org>, "Andrea Arcangeli" > <aarca...@redhat.com>, linux-s...@vger.kernel.org, x...@kernel.org, "Will > Deacon" <will.dea...@arm.com>, "Linus > Torvalds" <torva...@linux-foundation.org>, "Catalin Marinas" > <catalin.mari...@arm.com>, "Waiman Long" > <long...@redhat.com>, linux-a...@vger.kernel.org, "Jon Masters" > <j...@redhat.com>, "Borislav Petkov" <b...@alien8.de>, > "Andy Lutomirski" <l...@kernel.org>, "Thomas Gleixner" <t...@linutronix.de>, > linux-arm-ker...@lists.infradead.org, > "Greg Kroah-Hartman" <gre...@linuxfoundation.org>, > linux-ker...@vger.kernel.org, "Tyler Hicks" <tyhi...@canonical.com>, > "Martin Schwidefsky" <schwidef...@de.ibm.com>, linuxppc-dev@lists.ozlabs.org > Sent: Thursday, April 4, 2019 2:49:05 PM > Subject: Re: [PATCH RFC 3/5] powerpc/speculation: Add support for > 'cpu_spec_mitigations=' cmdline options
> On Thu, 4 Apr 2019, Josh Poimboeuf wrote: > >> Configure powerpc CPU runtime speculation bug mitigations in accordance >> with the 'cpu_spec_mitigations=' cmdline options. This affects >> Meltdown, Spectre v1, Spectre v2, and Speculative Store Bypass. > [ ... snip ... ] >> - if (!no_nospec) >> + if (!no_nospec && cpu_spec_mitigations != CPU_SPEC_MITIGATIONS_OFF) > > '!no_nospec' is something that I am sure will come back to hunt me in my > bad dreams. > > But that's been there already, and fixing it is out of scope of this > patch. Other than that, as discussed previously -- I really like this new > global option. Feel free to add > > Reviewed-by: Jiri Kosina <jkos...@suse.cz> > > for the whole set. > > Thanks, > > -- > Jiri Kosina > SUSE Labs
