Date: Sat, 10 Jun 2023 09:01:40 +0300 From: Toomas Soome <tsoome@me.com> To: Alexey Dokuchaev <danfe@freebsd.org> Cc: Warner Losh <imp@bsdimp.com>, Kyle Evans <kevans@freebsd.org>, src-committers <src-committers@freebsd.org>, "<dev-commits-src-all@freebsd.org>" <dev-commits-src-all@freebsd.org>, dev-commits-src-main@freebsd.org Subject: Re: git: ce5a210997da - main - openzfs: arm64: implement kfpu_begin/kfpu_end Message-ID: <C8856004-472C-4945-BA6E-5CA2568343B2@me.com> In-Reply-To: <ZIQBk91TcdqlbtLf@FreeBSD.org> References: <202304261724.33QHOl6x001199@gitrepo.freebsd.org> <CANCZdfoY-ZnHp%2BH3J=iB7VS%2B1tO0ViZKWeexr0bicgTeckQCZg@mail.gmail.com> <ZIQBk91TcdqlbtLf@FreeBSD.org>
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> On 10. Jun 2023, at 07:52, Alexey Dokuchaev <danfe@freebsd.org> wrote: >=20 > On Wed, Apr 26, 2023 at 12:02:19PM -0600, Warner Losh wrote: >> On Wed, Apr 26, 2023 at 11:24???AM Kyle Evans wrote: >>> commit ce5a210997da3c4064cfe162e760379f1fa8b587 >>>=20 >>> openzfs: arm64: implement kfpu_begin/kfpu_end >>>=20 >>> This is part one of a fix for booting with ZFS on arm64 using >>> accelerated checksum implementations. Checksum benchmarking will >>> attempt to use the FPU, so we currently panic quickly on boot. >>>=20 >>> Note that _STANDALONE is special-cased here, but ideally we >>> wouldn't be building the code that uses kfpu_begin()/kfpu_end() >>> at all in the loader environment. >>=20 >> Yes. As noted elsewhere, the upstream is a mess. There's no way to >> say "I only want the generic implementation" for these functions. >> So we went through some crazy hoops to try to disable that... only >> to run into a buzz-saw of upstream changes that broke the crazy hoops >=20 > Sorry for not replying earlier, but given the situation with ZoL and > how they keep breaking stuff for us, how feasible would it be to = switch > back to normal (illumos) ZFS? >=20 > ./danfe The normal (illumos) ZFS is struggling to get updates [from OpenZFS]. I = know, because I=E2=80=99m one who is trying to get them done:D Situation is not encouraging, but I think the only way to make this = situation better is to try to work with OpenZFS team to improve how the = things are done=E2=80=A6=20 rgds, toomas
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