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Date:   Mon, 24 Jun 2019 18:14:00 +0100
From:   Catalin Marinas <catalin.marinas@arm.com>
To:     Ard Biesheuvel <ard.biesheuvel@linaro.org>
Cc:     Ard Biesheuvel <ard.biesheuvel@arm.com>,
        Will Deacon <will@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Marc Zyngier <marc.zyngier@arm.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        Peter Zijlstra <peterz@infradead.org>,
        Nadav Amit <namit@vmware.com>,
        Masami Hiramatsu <mhiramat@kernel.org>,
        James Morse <james.morse@arm.com>,
        Andrew Morton <akpm@linux-foundation.org>,
        Rick Edgecombe <rick.p.edgecombe@intel.com>,
        linux-arm-kernel <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 0/4] arm64: wire up VM_FLUSH_RESET_PERMS
Message-ID: <20190624171358.GI29120@arrakis.emea.arm.com>
References: <20190523102256.29168-1-ard.biesheuvel@arm.com>
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On Mon, Jun 24, 2019 at 04:29:39PM +0200, Ard Biesheuvel wrote:
> On Mon, 24 Jun 2019 at 13:23, Ard Biesheuvel <ard.biesheuvel@arm.com> wrote:
> > On 6/24/19 1:16 PM, Will Deacon wrote:
> > > On Tue, May 28, 2019 at 11:04:20AM +0100, Will Deacon wrote:
> > >> On Thu, May 23, 2019 at 11:22:52AM +0100, Ard Biesheuvel wrote:
> > >>> Ard Biesheuvel (4):
> > >>>    arm64: module: create module allocations without exec permissions
> > >>>    arm64/mm: wire up CONFIG_ARCH_HAS_SET_DIRECT_MAP
> > >>>    arm64/kprobes: set VM_FLUSH_RESET_PERMS on kprobe instruction pages
> > >>>    arm64: bpf: do not allocate executable memory
> > >>>
> > >>>   arch/arm64/Kconfig                  |  1 +
> > >>>   arch/arm64/include/asm/cacheflush.h |  3 ++
> > >>>   arch/arm64/kernel/module.c          |  4 +-
> > >>>   arch/arm64/kernel/probes/kprobes.c  |  4 +-
> > >>>   arch/arm64/mm/pageattr.c            | 48 ++++++++++++++++----
> > >>>   arch/arm64/net/bpf_jit_comp.c       |  2 +-
> > >>>   mm/vmalloc.c                        | 11 -----
> > >>>   7 files changed, 50 insertions(+), 23 deletions(-)
> > >>
> > >> Thanks, this all looks good to me. I can get pick this up for 5.2 if
> > >> Rick's fixes [1] land soon enough.
> > >
> > > Bah, I missed these landing in -rc5 and I think it's a bit too late for
> > > us to take this for 5.2. now particularly with our limited ability to
> > > fix any late regressions that might arise.
> > >
> > > In which case, Catalin, please can you take these for 5.3? You might run
> > > into some testing failures with for-next/core due to the late of Rick's
> > > fixes, but linux-next should be alright and I don't think you'll get any
> > > conflicts.
> > >
> > > Acked-by: Will Deacon <will@kernel.org>
> > >
> > > Ard: are you ok with that?
> >
> > That is fine, although I won't be around to pick up the pieces by the
> > time the merge window opens. Also, I'd like to follow up on the lazy
> > vunmap thing for non-x86, but perhaps we can talk about this at plumbers?
> 
> Actually, you will run into a couple of conflicts. Let me know if you
> want me to respin (although they still won't apply cleanly to both
> for-next/core and -next)

I queued them in for-next/core (and fixed a minor conflict). Thanks.

-- 
Catalin