From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (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 3BECA4A33F6 for ; Thu, 2 Jul 2026 13:38:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782999485; cv=none; b=XkFiVYezzAPBCiGe+CnyF/ElpsJx5/muXTIKXAUiqvJu/bctlrlGojuQP5IgoH2BfGwtUWX8CMxGLGJPArQ2J1z9R2yqMo0BfhYtJNOicm3boE1JnJPvysShcpkZ7ZR/9CIZ+sNu3vbhgfHfRnTwrA0Rtt4Fp0WubDqpOO5Rsks= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782999485; c=relaxed/simple; bh=Po20990TIfpBiRw/XyIOEpeN9s35s69IX4LYQElT0yg=; h=From:To:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=TozZpI9Pk/oHCnDowxvdTMrCUMoXDXtOj7fgcoAPq9W4dKZR5zj3xF7vlPI15iwyrMd+x6rNnXRDrwdpgqJYGpNV0OgBbHGHjGIXxnXJPg2W1ErfDbAOCPmZzCmV/S3nj2XW9q4i3DdVJnV+tVJxEbgSCbretpRm9fN2q0S7wlk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=OnEGBgXG; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=WeErE4UT; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="OnEGBgXG"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="WeErE4UT" From: Nam Cao DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1782999482; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=Po20990TIfpBiRw/XyIOEpeN9s35s69IX4LYQElT0yg=; b=OnEGBgXGvD4XWnz2NuxGZSUBewpLit203b2sAehswDGg6I4w20GT2SebyMFaWMdjy6pGRb hhbteTep0FfjaQep7Rox/nBFGTVJZLh7aMc9KYTEyBRzvErok2DANgYVLBmRPB1YtM4MKQ cRNr3lmg4GZT3uQ4Y9wUZEW0wc60VK9s25tY+mkvpNLI6jvoQDyANK8oOe5moZrgE6ac5q lkEHMgZMNH9frQX6qmxg2KKRzfYhIqgt77OII5uHxTpaTHfzoPvX6iQlLk0u45meULKPUP cCXq3PhaswvpKAmIAHGMhA8PiDSRHRCrUj7qCNUmUUmJqnwUC6VNTfpmLSZGGA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1782999482; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=Po20990TIfpBiRw/XyIOEpeN9s35s69IX4LYQElT0yg=; b=WeErE4UT8SBCWS82PDLZwb3plw2xkWNa0NAl00XRhQYC+Tyfo6lMUSfCyprwLY6EKX2xiC 7Gt4gMiVglN0pADg== To: Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Thomas =?utf-8?Q?Wei=C3=9Fschuh?= , =?utf-8?Q?A?= =?utf-8?Q?ndr=C3=A9?= Almeida , Mathieu Desnoyers , Thomas Gleixner , Peter Zijlstra , Sebastian Andrzej Siewior Subject: Re: [PATCH v2 0/5] riscv: vdso: Implement __vdso_futex_robust_try_unlock() In-Reply-To: References: Date: Thu, 02 Jul 2026 15:38:00 +0200 Message-ID: <875x2xjyvb.fsf@yellow.woof> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain Nam Cao writes: > This series adds new vdso futex entries, allowing user to address the robust > futex race condition regarding clearing the robust_list_head::list_op_pending > pointer. > > Thomas wrote a summary of the problem: > https://lore.kernel.org/lkml/20260602084648.462672743@kernel.org/ > > The core infrastructure has been implemented along with x86 support. This > series adds RISC-V support. > > The first 4 patches prepare compat vdso Makefile. The final patch is the main > show. Sorry, I hit send before saving. This v2 addresses some of Sashiko's comments, while the rest of the comments are addressed by Thomas in: https://lore.kernel.org/linux-riscv/20260701-riscv-vdso-lto-v1-0-89db0cd82077@linutronix.de/ https://lore.kernel.org/linux-riscv/20260630-riscv-vdso32-alternative-v1-0-a32fd89b7b1c@linutronix.de/ Nam