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From: Willy Tarreau <w@1wt.eu>
To: "Thomas Weißschuh" <thomas.weissschuh@linutronix.de>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>,
	Kees Cook <kees@kernel.org>,
	Eric Biederman <ebiederm@xmission.com>,
	Shuah Khan <shuah@kernel.org>,
	Nathan Chancellor <nathan@kernel.org>,
	Nick Desaulniers <ndesaulniers@google.com>,
	Bill Wendling <morbo@google.com>,
	Justin Stitt <justinstitt@google.com>,
	Andy Lutomirski <luto@kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	Vincenzo Frascino <vincenzo.frascino@arm.com>,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	linux-kselftest@vger.kernel.org, llvm@lists.linux.dev
Subject: Re: [PATCH 00/16] selftests: vDSO: parse_vdso: Make compatible with nolibc
Date: Sat, 22 Feb 2025 11:26:26 +0100	[thread overview]
Message-ID: <20250222102626.GB13708@1wt.eu> (raw)
In-Reply-To: <20250203165859-8af1246b-6dd8-468a-8e05-68c7b0cad304@linutronix.de>

On Mon, Feb 03, 2025 at 05:14:37PM +0100, Thomas Weißschuh wrote:
> On Mon, Feb 03, 2025 at 04:43:22PM +0100, Christophe Leroy wrote:
> <snip>
> 
> > Do you have any plan to get it work with nolibc for all test programs in
> > selftests/vDSO, not only the standalone x86 test ?
> 
> Not directly as next step. I am focussing on some other work which will
> integrate (vDSO) selftests with nolibc slightly differently.
> However if you have interest in converting the tests now, that would be
> great and will also be useful for my future changes.
> The current issues I see:
> * Missing architecture support in nolibc (should be fairly easy to implement)
> * Missing kselftest_harness.h support in nolibc (I'm working on that)
> * Maybe some users want to stick with their regular libc
>   (Nothing should prevent that, but the mechanism may need some discussion)

BTW, I wanted to thank you for this work. Originally when I started with
nolibc, I thought the vdso was out of reach due to the many missing
definitions. Turns out you were braver than me ;-)

Cheers,
Willy


      reply	other threads:[~2025-02-22 10:26 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-02-03  9:05 Thomas Weißschuh
2025-02-03  9:05 ` [PATCH 01/16] MAINTAINERS: Add vDSO selftests Thomas Weißschuh
2025-02-03  9:05 ` [PATCH 02/16] elf, uapi: Add definition for STN_UNDEF Thomas Weißschuh
2025-02-04 15:32   ` Kees Cook
2025-02-03  9:05 ` [PATCH 03/16] elf, uapi: Add definition for DT_GNU_HASH Thomas Weißschuh
2025-02-04 15:32   ` Kees Cook
2025-02-03  9:05 ` [PATCH 04/16] elf, uapi: Add definitions for VER_FLG_BASE and VER_FLG_WEAK Thomas Weißschuh
2025-02-04 15:10   ` Kees Cook
2025-02-04 15:17     ` Thomas Weißschuh
2025-02-04 15:32       ` Kees Cook
2025-02-04 15:33   ` Kees Cook
2025-02-03  9:05 ` [PATCH 05/16] elf, uapi: Add type ElfXX_Versym Thomas Weißschuh
2025-02-04 15:32   ` Kees Cook
2025-02-03  9:05 ` [PATCH 06/16] elf, uapi: Add types ElfXX_Verdef and ElfXX_Veraux Thomas Weißschuh
2025-02-04 15:33   ` Kees Cook
2025-02-03  9:05 ` [PATCH 07/16] tools/include: Add uapi/linux/elf.h Thomas Weißschuh
2025-02-03  9:05 ` [PATCH 08/16] selftests: Add headers target Thomas Weißschuh
2025-02-03  9:05 ` [PATCH 09/16] selftests: vDSO: vdso_standalone_test_x86: Use vdso_init_form_sysinfo_ehdr Thomas Weißschuh
2025-02-03  9:05 ` [PATCH 10/16] selftests: vDSO: parse_vdso: Drop vdso_init_from_auxv() Thomas Weißschuh
2025-02-03  9:05 ` [PATCH 11/16] selftests: vDSO: parse_vdso: Use UAPI headers instead of libc headers Thomas Weißschuh
2025-02-03  9:05 ` [PATCH 12/16] selftests: vDSO: parse_vdso: Test __SIZEOF_LONG__ instead of ULONG_MAX Thomas Weißschuh
2025-02-03  9:05 ` [PATCH 13/16] selftests: vDSO: parse_vdso: Make compatible with nolibc Thomas Weißschuh
2025-02-22 10:24   ` Willy Tarreau
2025-02-24 14:41     ` Thomas Weißschuh
2025-02-03  9:05 ` [PATCH 14/16] selftests: vDSO: vdso_test_gettimeofday: Clean up includes Thomas Weißschuh
2025-02-03  9:05 ` [PATCH 15/16] selftests: vDSO: vdso_test_gettimeofday: Make compatible with nolibc Thomas Weißschuh
2025-02-03  9:05 ` [PATCH 16/16] selftests: vDSO: vdso_standalone_test_x86: Switch to nolibc Thomas Weißschuh
2025-02-03 11:23 ` [PATCH 00/16] selftests: vDSO: parse_vdso: Make compatible with nolibc Christophe Leroy
2025-02-03 13:50   ` Thomas Weißschuh
2025-02-03 15:43     ` Christophe Leroy
2025-02-03 16:14       ` Thomas Weißschuh
2025-02-22 10:26         ` Willy Tarreau [this message]

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