From: Catalin Marinas <catalin.marinas@arm.com>
To: "Thomas Weißschuh" <thomas.weissschuh@linutronix.de>
Cc: Andy Lutomirski <luto@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Vincenzo Frascino <vincenzo.frascino@arm.com>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Alexandre Ghiti <alex@ghiti.fr>, Nam Cao <namcao@linutronix.de>,
Russell King <linux@armlinux.org.uk>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Will Deacon <will@kernel.org>,
Huacai Chen <chenhuacai@kernel.org>,
WANG Xuerui <kernel@xen0n.name>,
Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
Madhavan Srinivasan <maddy@linux.ibm.com>,
Michael Ellerman <mpe@ellerman.id.au>,
Nicholas Piggin <npiggin@gmail.com>,
Christophe Leroy <christophe.leroy@csgroup.eu>,
Heiko Carstens <hca@linux.ibm.com>,
Vasily Gorbik <gor@linux.ibm.com>,
Alexander Gordeev <agordeev@linux.ibm.com>,
Christian Borntraeger <borntraeger@linux.ibm.com>,
Sven Schnelle <svens@linux.ibm.com>,
Arnd Bergmann <arnd@arndb.de>,
Christian Brauner <brauner@kernel.org>,
Shuah Khan <shuah@kernel.org>,
linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
linux-arm-kernel@lists.infradead.org, loongarch@lists.linux.dev,
linux-mips@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-s390@vger.kernel.org, linux-arch@vger.kernel.org,
linux-kselftest@vger.kernel.org,
Rasmus Villemoes <linux@rasmusvillemoes.dk>
Subject: Re: [PATCH 10/11] vdso: Drop kconfig GENERIC_VDSO_TIME_NS
Date: Tue, 26 Aug 2025 20:34:39 +0100 [thread overview]
Message-ID: <aK4MTxWGoe461HGb@arm.com> (raw)
In-Reply-To: <20250826-vdso-cleanups-v1-10-d9b65750e49f@linutronix.de>
On Tue, Aug 26, 2025 at 08:17:13AM +0200, Thomas Weißschuh wrote:
> All architectures implementing time-related functionality in the vDSO are
> using the generic vDSO library which handles time namespaces properly.
>
> Remove the now unnecessary kconfig symbol.
>
> Enables the use of time namespaces on architectures, which use the
> generic vDSO but did not enable GENERIC_VDSO_TIME_NS, namely MIPS and arm.
>
> Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
>
> ---
> Technically this is still too restrictive, as it prevents architectures
> without a real vDSO to enable CONFIG_TIME_NS. Right now this restriction
> only protects the SPARC vDSO. I have patches to drop it completely,
> as soon as SPARC is usingthe generic vDSO.
> ---
> arch/arm64/Kconfig | 1 -
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
next prev parent reply other threads:[~2025-08-26 19:34 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-26 6:17 [PATCH 00/11] vdso: Various cleanups Thomas Weißschuh
2025-08-26 6:17 ` [PATCH 01/11] vdso/datastore: Gate time data behind CONFIG_GENERIC_GETTIMEOFDAY Thomas Weißschuh
2025-08-26 6:17 ` [PATCH 02/11] ARM: VDSO: remove cntvct_ok global variable Thomas Weißschuh
2025-08-26 6:17 ` [PATCH 03/11] vdso: Move ENABLE_COMPAT_VDSO from core to arm64 Thomas Weißschuh
2025-08-26 19:33 ` Catalin Marinas
2025-08-26 6:17 ` [PATCH 04/11] vdso/gettimeofday: Remove !CONFIG_TIME_NS stubs Thomas Weißschuh
2025-08-26 6:17 ` [PATCH 05/11] time: Build generic update_vsyscall() only with generic time vDSO Thomas Weißschuh
2025-08-26 6:17 ` [PATCH 06/11] riscv: vdso: Untangle kconfig logic Thomas Weißschuh
2025-08-26 6:17 ` [PATCH 07/11] vdso: Drop kconfig GENERIC_VDSO_32 Thomas Weißschuh
2025-08-26 6:17 ` [PATCH 08/11] vdso: Drop kconfig GENERIC_COMPAT_VDSO Thomas Weißschuh
2025-08-26 19:33 ` Catalin Marinas
2025-08-26 6:17 ` [PATCH 09/11] vdso: Drop kconfig GENERIC_VDSO_DATA_STORE Thomas Weißschuh
2025-08-26 19:33 ` Catalin Marinas
2025-08-26 6:17 ` [PATCH 10/11] vdso: Drop kconfig GENERIC_VDSO_TIME_NS Thomas Weißschuh
2025-08-26 19:34 ` Catalin Marinas [this message]
2025-08-26 6:17 ` [PATCH 11/11] vdso: Gate VDSO_GETRANDOM behind HAVE_GENERIC_VDSO Thomas Weißschuh
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