From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3018A1A0BD0; Tue, 26 Aug 2025 19:34:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756236884; cv=none; b=Q4Nf/t/Fruj1M6jYsT5yOzCYdTx6/sUKfAI8zstv7QQvRngdRGAilJeN3tPQIfZiUiJUfwB8jM69TwIrER9dYBy5KFUCuo/ny+1hhD+e9QFprlPBWGWvlTcKuMtYgfuXwsnLCWCEdKzYphO1ryK+Lhw1rDUc106NjuVy1INUtdY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1756236884; c=relaxed/simple; bh=0PIxGqsNu2o5Bjhc/cWLVmkGbMcZXP2uAlg8QoJFphA=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=rLKcA4KfYLVI/C+2Rc5C0kPJaAuz5Wc2i0uFXMPXPP19vHeALJJZTJII2PAzZXUv7Hw+UVgp+dvL+iWoXW/if9Y397CgYt39SGxUWWYli99fUWd4Lau5SPkvPcFxeYa2gldXP7Os00rlOPdwkMbmNaExktm6tv/WgYM1nXM1mE8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2D17BC4CEF1; Tue, 26 Aug 2025 19:34:37 +0000 (UTC) Date: Tue, 26 Aug 2025 20:34:39 +0100 From: Catalin Marinas To: Thomas =?iso-8859-1?Q?Wei=DFschuh?= Cc: Andy Lutomirski , Thomas Gleixner , Vincenzo Frascino , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Nam Cao , Russell King , Ingo Molnar , Borislav Petkov , Dave Hansen , x86@kernel.org, "H. Peter Anvin" , Will Deacon , Huacai Chen , WANG Xuerui , Thomas Bogendoerfer , Madhavan Srinivasan , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Heiko Carstens , Vasily Gorbik , Alexander Gordeev , Christian Borntraeger , Sven Schnelle , Arnd Bergmann , Christian Brauner , Shuah Khan , 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 Subject: Re: [PATCH 10/11] vdso: Drop kconfig GENERIC_VDSO_TIME_NS Message-ID: References: <20250826-vdso-cleanups-v1-0-d9b65750e49f@linutronix.de> <20250826-vdso-cleanups-v1-10-d9b65750e49f@linutronix.de> Precedence: bulk X-Mailing-List: linux-arch@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit 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 > > --- > 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