From mboxrd@z Thu Jan 1 00:00:00 1970 From: Leonardo Bras Subject: Re: [PATCH v6 02/11] mm/gup: Use functions to track lockless pgtbl walks on gup_pgd_range Date: Thu, 06 Feb 2020 00:25:18 -0300 Message-ID: <760c238043196e0628c8c0eff48a8e938ef539ba.camel@linux.ibm.com> References: <20200206030900.147032-1-leonardo@linux.ibm.com> <20200206030900.147032-3-leonardo@linux.ibm.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="=-5TGq9qc6jmgO8SfflYEA" Return-path: In-Reply-To: <20200206030900.147032-3-leonardo@linux.ibm.com> Sender: linux-kernel-owner@vger.kernel.org To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Arnd Bergmann , Andrew Morton , "Aneesh Kumar K.V" , Nicholas Piggin , Christophe Leroy , Steven Price , Robin Murphy , Mahesh Salgaonkar , Balbir Singh , Reza Arbab , Thomas Gleixner , Allison Randal , Greg Kroah-Hartman , Mike Rapoport , Michal Suchanek 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 List-Id: linux-arch.vger.kernel.org --=-5TGq9qc6jmgO8SfflYEA Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable 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. --=-5TGq9qc6jmgO8SfflYEA Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEMdeUgIzgjf6YmUyOlQYWtz9SttQFAl47hx4ACgkQlQYWtz9S ttTS9w/9E7lK8J1xIstn8wQNOKb6Mpalq1gAoAMSwEKVsxtJCgv5GQoVzfi83uzh s6Qq+5ydWu172eeRW66NmQaespclUattqesFf5qhvVnLGpwTbGSPlSF0IWzKr7s9 ofzcAbyqaDh6+DTOestPd3ADSlUZ4HWxOKc5XSi5TyHX0RP9JK/gu26hdvr9oHDI ZU16OrdCAecYyE7/hKY0a+VGRsyZVab3VBWy/6EJdo9Z8bNc/aquHQQ+RkdaB3M/ VtA1A0NUOBcbu+tFKG3Q2yzPQb9/5Ob7m5uG2Oa2f3huyk8FOXySioH4qUHqZAuB 8bZIrD49y3YXZ9sFF4b4eqyDyeutnHAoMa/FBuMPmQW/diiFKhSIvLsiEz4gu1B9 jn04+n0wrnV8wXxe3xUEQ6ooxhCY6UmNSIjlXOewvk/j2E37mZIdaPY5Bx6GlDBM MSXHfcN2LtpRH1FTqH8tZvwYf7JdkspVbbBipLrr8Ba8fGZ3fKcnfIIaOSRd1tvE uTHEgfICZKnzXxPM/tpI3n5kx7PbB6hPFDdtvjA1Vyq3tuA295qNF5fkEmTkvzmg swZfIo4OEGyw3Oh+jsK0PH646dK6jkD17Q7Fe81+BF7uYygxdxBptKUj/GJEnqfU 3ZEFP0bpEMV17eoArkTN5eP4CNvd1VRWagVtnNLWS44WlNvdOxc= =i1Uf -----END PGP SIGNATURE----- --=-5TGq9qc6jmgO8SfflYEA-- From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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 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> Content-Type: multipart/signed; micalg="pgp-sha256"; protocol="application/pgp-signature"; boundary="=-5TGq9qc6jmgO8SfflYEA" MIME-Version: 1.0 To: Benjamin Herrenschmidt , Paul Mackerras , Michael Ellerman , Arnd Bergmann , Andrew Morton , "Aneesh Kumar K.V" , Nicholas Piggin , Christophe Leroy , Steven Price , Robin Murphy , Mahesh Salgaonkar , Balbir Singh , Reza Arbab , Thomas Gleixner , Allison Randal , Greg Kroah-Hartman , Mike Rapoport , Michal Suchanek 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 List-ID: Message-ID: <20200206032518.16R3AJSUXJEFxhuvXi1MvOwhRjZQPj0x2cxZDwcGC4o@z> --=-5TGq9qc6jmgO8SfflYEA Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable 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. --=-5TGq9qc6jmgO8SfflYEA Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- iQIzBAABCAAdFiEEMdeUgIzgjf6YmUyOlQYWtz9SttQFAl47hx4ACgkQlQYWtz9S ttTS9w/9E7lK8J1xIstn8wQNOKb6Mpalq1gAoAMSwEKVsxtJCgv5GQoVzfi83uzh s6Qq+5ydWu172eeRW66NmQaespclUattqesFf5qhvVnLGpwTbGSPlSF0IWzKr7s9 ofzcAbyqaDh6+DTOestPd3ADSlUZ4HWxOKc5XSi5TyHX0RP9JK/gu26hdvr9oHDI ZU16OrdCAecYyE7/hKY0a+VGRsyZVab3VBWy/6EJdo9Z8bNc/aquHQQ+RkdaB3M/ VtA1A0NUOBcbu+tFKG3Q2yzPQb9/5Ob7m5uG2Oa2f3huyk8FOXySioH4qUHqZAuB 8bZIrD49y3YXZ9sFF4b4eqyDyeutnHAoMa/FBuMPmQW/diiFKhSIvLsiEz4gu1B9 jn04+n0wrnV8wXxe3xUEQ6ooxhCY6UmNSIjlXOewvk/j2E37mZIdaPY5Bx6GlDBM MSXHfcN2LtpRH1FTqH8tZvwYf7JdkspVbbBipLrr8Ba8fGZ3fKcnfIIaOSRd1tvE uTHEgfICZKnzXxPM/tpI3n5kx7PbB6hPFDdtvjA1Vyq3tuA295qNF5fkEmTkvzmg swZfIo4OEGyw3Oh+jsK0PH646dK6jkD17Q7Fe81+BF7uYygxdxBptKUj/GJEnqfU 3ZEFP0bpEMV17eoArkTN5eP4CNvd1VRWagVtnNLWS44WlNvdOxc= =i1Uf -----END PGP SIGNATURE----- --=-5TGq9qc6jmgO8SfflYEA--