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From: Andy Lutomirski <luto@amacapital.net>
Date: Fri, 21 Apr 2017 14:59:54 -0700
Message-ID: <CALCETrVE1Pks3=_hewHE5u_oFgm832HrrkGmpxKTWmc+P7rqXA@mail.gmail.com>
Subject: Re: [PATCH v2 1/3] x86/mm: Remove flush_tlb() and flush_tlb_current_task()
To: Andy Lutomirski <luto@kernel.org>
Cc: X86 ML <x86@kernel.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Borislav Petkov <bp@alien8.de>, Rik van Riel <riel@redhat.com>,
        Dave Hansen <dave.hansen@intel.com>, Nadav Amit <namit@vmware.com>,
        Michal Hocko <mhocko@suse.com>, Sasha Levin <sasha.levin@oracle.com>,
        Andrew Morton <akpm@linux-foundation.org>
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On Fri, Apr 21, 2017 at 11:15 AM, Andy Lutomirski <luto@kernel.org> wrote:
> I was trying to figure out what how flush_tlb_current_task() would
> possibly work correctly if current->mm != current->active_mm, but I
> realized I could spare myself the effort: it has no callers except
> the unused flush_tlb() macro.  In fact, it doesn't even exist on
> !SMP builds.

Please disregard this patch for now.  It has issues.

---Andy