lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Message-ID: <20240906083401.gfckf7q3yanxqzis@AALNPWDAGOMEZ1.aal.scsc.local> Date: Fri, 6 Sep 2024 10:34:01 +0200 From: Daniel Gomez <da.gomez@...sung.com> To: Masahiro Yamada <masahiroy@...nel.org> CC: Nicolas Schier <nicolas@...sle.eu>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Nathan Chancellor <nathan@...nel.org>, "Lucas De Marchi" <lucas.demarchi@...el.com>, Thomas Hellström <thomas.hellstrom@...ux.intel.com>, Rodrigo Vivi <rodrigo.vivi@...el.com>, Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>, William Hubbs <w.d.hubbs@...il.com>, Chris Brannon <chris@...-brannons.com>, Kirk Reiser <kirk@...sers.ca>, Samuel Thibault <samuel.thibault@...-lyon.org>, Paul Moore <paul@...l-moore.com>, Stephen Smalley <stephen.smalley.work@...il.com>, Ondrej Mosnacek <omosnace@...hat.com>, Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>, Marc Zyngier <maz@...nel.org>, Oliver Upton <oliver.upton@...ux.dev>, James Morse <james.morse@....com>, Suzuki K Poulose <suzuki.poulose@....com>, Zenghui Yu <yuzenghui@...wei.com>, Jiri Slaby <jirislaby@...nel.org>, Nick Desaulniers <ndesaulniers@...gle.com>, Bill Wendling <morbo@...gle.com>, Justin Stitt <justinstitt@...gle.com>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "linux-kbuild@...r.kernel.org" <linux-kbuild@...r.kernel.org>, "intel-xe@...ts.freedesktop.org" <intel-xe@...ts.freedesktop.org>, "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>, "speakup@...ux-speakup.org" <speakup@...ux-speakup.org>, "selinux@...r.kernel.org" <selinux@...r.kernel.org>, "linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org>, "kvmarm@...ts.linux.dev" <kvmarm@...ts.linux.dev>, "linux-serial@...r.kernel.org" <linux-serial@...r.kernel.org>, "llvm@...ts.linux.dev" <llvm@...ts.linux.dev>, Finn Behrens <me@...enk.dev>, "Daniel Gomez (Samsung)" <d+samsung@...ces.com>, "gost.dev@...sung.com" <gost.dev@...sung.com> Subject: Re: [PATCH 08/12] include: add elf.h support On Fri, Sep 06, 2024 at 08:58:15AM +0900, Masahiro Yamada wrote: > On Thu, Sep 5, 2024 at 5:56 PM Daniel Gomez <da.gomez@...sung.com> wrote: > > > > On Mon, Sep 02, 2024 at 01:15:01AM +0900, Masahiro Yamada wrote: > > > On Sat, Aug 31, 2024 at 4:54 AM Nicolas Schier <nicolas@...sle.eu> wrote: > > > > > > > > On Sat, Aug 24, 2024 at 12:54:50AM +0200 Daniel Gomez wrote: > > > > > On Wed, Aug 07, 2024 at 05:46:03PM +0200, Nicolas Schier wrote: > > > > > > On Wed, Aug 07, 2024 at 04:18:54PM +0200, Greg Kroah-Hartman wrote: > > > > > > > On Wed, Aug 07, 2024 at 02:13:57PM +0000, Daniel Gomez wrote: > > > > > > > > > Also, as this is not internal for the kernel, but rather for userspace > > > > > > > > > builds, shouldn't the include/ path be different? > > > > > > > > > > > > > > > > Can you suggest an alternative path or provide documentation that could help > > > > > > > > identify the correct location? Perhaps usr/include? > > > > > > > > > > > > > > That is better than the generic include path as you are attempting to > > > > > > > mix userspace and kernel headers in the same directory :( > > > > > > > > > > > > Please keep in mind, that usr/include/ currently does not hold a single > > > > > > header file but is used for dynamically composing the UAPI header tree. > > > > > > > > > > > > In general, I do not like the idea of keeping a elf.h file here that > > > > > > possibly is out-of-sync with the actual system's version (even though > > > > > > elf.h should not see that much changes). Might it be more helpful to > > > > > > provide a "development kit" for Linux devs that need to build on MacOS > > > > > > that provides necessary missing system header files, instead of merging > > > > > > those into upstream? > > > > > > > > > > I took this suggestion and tried pushing a Homebrew formula/package here [1]. > > > > > I think I chose a wrong name and maybe something like "development kit" would > > > > > have been better. However, would it be possible instead to include the *.rb file > > > > > in the scripts/ directory? So users of this can generate the development kit in > > > > > their environments. I would maintain the script to keep it in sync with the > > > > > required glibc version for the latest kernel version. > > > > > > > > > > [1] https://protect2.fireeye.com/v1/url?k=96027706-f7896236-9603fc49-000babffaa23-452f645d7a72e234&q=1&e=343dd31c-5e5b-4b09-8ee5-6c59a1ff826e&u=https%3A%2F%2Fgithub.com%2FHomebrew%2Fhomebrew-core%2Fpull%2F181885 > > > > > > > > I think it sounds sensible to hold that formula file in the upstream tree. But > > > > I am not sure if scripts/ is the best location. > > > > > > > > Masahiro, what do you think? > > > > > > > > > I do not know much about the homebrew, but why does the upstream > > > kernel need to merge such masOS stuff? > > > > The missing headers (in macOS) need to be provided somehow. One way can be > > having the formula (*.rb file) in-tree, so users of this can install them in > > their systems. This would also require to have a tarball with the missing > > headers either in-tree or somewhere accessible so it can be fetched. > > > > To avoid having the formula and a tarball in-tree, I've created a Homebrew Tap > > (3rd-Party Repository) called 'Bee Headers Project' [1][2][3] that can provision > > the missing headers. The project provides a bee-headers package and formula > > that will install byteswap.h, elf.h and endian.h in the user's system Hombrew > > directory. It also provides a *.pc file so pkg-config can be used to find the > > location of these headers. I have a v2 with this solution ready, perhaps is > > easier to discuss this with the code. > > > It is up to you what project you start in Github. > > Then, what do you need to submit v2 for this? I'll just include a reference in the documentation. And will send the v2 later today. > > > > > > > > > I think we can extend the same package and include extra headers if we need > > more in the future. I see for x86_64 asm/types.h and others might be required. > > The bee-headers package can then be the repository to place and distribute them. > > > > Please, let me know if you think of an alternative solution, I can give a try > > and explore. > > > > [1] Project: > > https://protect2.fireeye.com/v1/url?k=8f1b9871-ee908d54-8f1a133e-74fe485cbff6-b9b8f875df8b37c5&q=1&e=860f3982-d1e4-4fcb-ab79-f181bb7fcda3&u=https%3A%2F%2Fgithub.com%2Fbee-headers > > [2] Headers repository: > > https://protect2.fireeye.com/v1/url?k=7c995f7b-1d124a5e-7c98d434-74fe485cbff6-a20d4e643f5978f8&q=1&e=860f3982-d1e4-4fcb-ab79-f181bb7fcda3&u=https%3A%2F%2Fgithub.com%2Fbee-headers%2Fheaders.git > > [3] Homebrew Tap formula: > > https://protect2.fireeye.com/v1/url?k=148f40fc-750455d9-148ecbb3-74fe485cbff6-5d795246adb22931&q=1&e=860f3982-d1e4-4fcb-ab79-f181bb7fcda3&u=https%3A%2F%2Fgithub.com%2Fbee-headers%2Fhomebrew-bee-headers.git > > > > > > > > > > > > > > > > > > > > > Kind regards, > > > > Nicolas > > > > > > > > > > > > -- > > > Best Regards > > > Masahiro Yamada > > > > -- > Best Regards > Masahiro Yamada
Powered by blists - more mailing lists