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Message-ID: <760c238043196e0628c8c0eff48a8e938ef539ba.camel@linux.ibm.com>
Subject: Re: [PATCH v6 02/11] mm/gup: Use functions to track lockless pgtbl
 walks on gup_pgd_range
From:   Leonardo Bras <leonardo@linux.ibm.com>
To:     Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Paul Mackerras <paulus@samba.org>,
        Michael Ellerman <mpe@ellerman.id.au>,
        Arnd Bergmann <arnd@arndb.de>,
        Andrew Morton <akpm@linux-foundation.org>,
        "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>,
        Nicholas Piggin <npiggin@gmail.com>,
        Christophe Leroy <christophe.leroy@c-s.fr>,
        Steven Price <steven.price@arm.com>,
        Robin Murphy <robin.murphy@arm.com>,
        Mahesh Salgaonkar <mahesh@linux.vnet.ibm.com>,
        Balbir Singh <bsingharora@gmail.com>,
        Reza Arbab <arbab@linux.ibm.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Allison Randal <allison@lohutok.net>,
        Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        Mike Rapoport <rppt@linux.ibm.com>,
        Michal Suchanek <msuchanek@suse.de>
Cc:     linux-arch@vger.kernel.org, linux-mm@kvack.org,
        linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
        kvm-ppc@vger.kernel.org
Date:   Thu, 06 Feb 2020 00:25:18 -0300
In-Reply-To: <20200206030900.147032-3-leonardo@linux.ibm.com>
References: <20200206030900.147032-1-leonardo@linux.ibm.com>
         <20200206030900.147032-3-leonardo@linux.ibm.com>
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On Thu, 2020-02-06 at 00:08 -0300, Leonardo Bras wrote:
>                 gup_pgd_range(addr, end, gup_flags, pages, &nr);
> -               local_irq_enable();
> +               end_lockless_pgtbl_walk(IRQS_ENABLED);
>                 ret =3D nr;
>         }
> =20

Just noticed IRQS_ENABLED is not available on other archs than ppc64.
I will fix this for v7.

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