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Sat, 25 Feb 2023 03:36:31 -0800 (PST) References: <86v8k0d79s.fsf@gmail.com> <86a6187h6j.fsf@burningswell.com> User-agent: mu4e 1.8.13; emacs 30.0.50 From: Roman Scherer To: Efraim Flashner Cc: guix-devel@gnu.org Subject: Re: Building arm64 guix system image Date: Sat, 25 Feb 2023 12:27:47 +0100 In-reply-to: Message-ID: <86k006ugcz.fsf@burningswell.com> MIME-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha256; protocol="application/pgp-signature" Received-SPF: none client-ip=2a00:1450:4864:20::52e; envelope-from=roman.scherer@burningswell.com; helo=mail-ed1-x52e.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: guix-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: X-Migadu-Queue-Id: 6F20B2EF02 X-Spam-Score: -8.47 X-Migadu-Spam-Score: -8.47 X-Migadu-Scanner: scn0.migadu.com List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+larch=yhetil.org@gnu.org Sender: guix-devel-bounces+larch=yhetil.org@gnu.org X-Migadu-Flow: FLOW_IN X-Migadu-Country: US X-TUID: uuSw7VKjwMEB --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Hi Efraim, can you help me getting the support for transparent huge page on aarch64 for jemalloc into Guix? https://lists.gnu.org/archive/html/guix-patches/2023-02/msg00698.html I'm using those patches locally and have tested it so far by: =2D Compiling the whole Rust toolchain =2D Using this Rust toolchain to compile Icecat and a Rust Linux kernel module for thr GPU I haven't noticed any issues so far. Thanks, Roman. Efraim Flashner writes: > [[PGP Signed Part:Undecided]] > On Mon, Feb 20, 2023 at 11:31:04AM +0100, Roman Scherer wrote: >> >> Efraim Flashner writes: >> > >> > I have two patches on the core-updates branch that should allow buildi= ng >> > openbios-qemu-ppc from aarch64. I'll try cherry-picking them to master >> > and see if that allows building qemu-minimal. >> >> Hi Efraim, >> >> that would be great. I'm looking forward to try them out. > > I ran out of space while building qemu so I'm waiting on the build farm= =C2=B9 > to see if qemu worked. Since qemu-minimal worked I pushed it upstream > and current master should have that building now. I haven't tested > building an image yet though. > > =C2=B9 https://ci.guix.gnu.org/eval/211772 > >> Since we are already talking about arm64 here, do you have experience >> with transparent huge pages on aarch64? >> >> I would love to get some feedback on this one: >> >> https://lists.gnu.org/archive/html/guix-patches/2023-02/msg00698.html >> >> Do you know if any of the aarch64 build machines configured with a page >> size > 4K? If so, I think that patch could help building more packages >> on that architecture. >> >> Thanks, Roman. > > I'm pretty sure they all use a 4K page size. From > gnu/packages/aux-files/linux-libre/6.1-arm64.conf: > CONFIG_ARM64_4K_PAGES=3Dy > # CONFIG_ARM64_16K_PAGES is not set > # CONFIG_ARM64_64K_PAGES is not set > > It looks like they're set for 4K pages. I'm not sure if it can be set > for more than one size at once. As for the transparent huge pages, I'm > pretty sure back in 2017 when I disabled it in jemalloc it was fairly > broken on aarch64 but I don't see a reason to not enable it now. --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQFTBAEBCAA9FiEE0iajOdjfRIFd3gygPdpSUn0qwZkFAmP58qwfHHJvbWFuLnNj aGVyZXJAYnVybmluZ3N3ZWxsLmNvbQAKCRA92lJSfSrBmWFAB/9fylxwRKrVhr90 ZFMZmPeyFD0hQYt1/HUvJ4p80qymtufVZ46rIUcFnwrO/fL1z4O0aid52QAuoExs lJzdsKY5omvI+tCACzuE30tVOsiuSaLm7kKReQdPSVdWy1Yboqh2xKVVNpMi2UoN MxLZzZe4F8qd5Sr0FKGerV87jNrT5yPnU5EWm73gd8tABn2eLatey3kAZBr8m1DX WnW0XTaAQyVDNlws9LgMVz9uNuTs9GRxrEcRm6yEjf+nWw3G3gRxxLa4jpaVbHyj jDsKcFsJV5h3Zt2gbgmPyWtk6OaTpyfnrgHPs0KjGivyMUv/Ly0K/bqhPa0Q/HCQ b9UfiNqk =p0Zr -----END PGP SIGNATURE----- --=-=-=--