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 8696C2FC03B; Fri, 19 Sep 2025 14:44:00 +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=1758293040; cv=none; b=Z4xWN9jZ9ckdQhNinYjAAs2l0IUqhT/AjpfBgg6XfSwXc/zx6wy/2o3Ot461hJhX16NtvwBsjZ0PiyBWuakVg6Ul3oZ82W9iR4AAppGCa0wJkyZ2LpW3L4PmTXLsB/cMaRVFoZlN/oWlYJ00wHTL2aMUdv0ffg0BG+5xpBGVspg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1758293040; c=relaxed/simple; bh=tgkIwZkXy82iLvUj6D+P1CNw4VBnnKn2FdkseccjCec=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=iGbwN3y33bsZEVlsjWVrtYQu4M1UrpBLdGs1cgwkcOhNWKuMZXVo6sUFzb0X/TLuiBvnnnkg3OxJdAiFkdGEiCbRi1DxLGw2CBM8XOFM86IgjnUjuCjzf2JuTswn8huqlHzdHQo6FAz55SLaWnf1rK/NNlBFlsggAEGeMU0fLzE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=XtctAxtt; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="XtctAxtt" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0BFECC4CEF0; Fri, 19 Sep 2025 14:44:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1758293040; bh=tgkIwZkXy82iLvUj6D+P1CNw4VBnnKn2FdkseccjCec=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=XtctAxttB0At3TcPH73mcchGwf4+wczzFO0nvukNwWi4g4gSEIf1w3kbNi+inY2yu y/n4dZFmRxTdr77RTf/gs1RfrEnVNZXyNHWLdDBBJ13dZeU2oFgyRGaETNRm/cuSrR 7YGPqQHU+45rfI5rvD5VIkBdbSeDeN2z6lFyE+SGlVgXC4bKSNpd37cGqFmNDR8oRW mPGePVGGHIjmt2pr1OVL1/42X3QF5YHmIg6zO3rIBZBGbWgZZC05V3hMi9XbyVtwWN 5jHd7Nyu+FyPZ0JF4anScbTzNPYFeosEX5sxi2w+WXdRIelu33/WnhGAJk0hniV7Ge 0Cv0Bsj/LL7TQ== Received: from sofa.misterjones.org ([185.219.108.64] helo=valley-girl.lan) by disco-boy.misterjones.org with esmtpsa (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.98.2) (envelope-from ) id 1uzcL7-00000007oFw-3HTw; Fri, 19 Sep 2025 14:43:57 +0000 From: Marc Zyngier To: Catalin Marinas , Will Deacon , Jonathan Corbet , Oliver Upton , Joey Gouly , Suzuki K Poulose , Shuah Khan , Mark Brown Cc: linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, kvmarm@lists.linux.dev, linux-kselftest@vger.kernel.org Subject: Re: (subset) [PATCH v4 1/2] KVM: arm64: Expose FEAT_LSFE to guests Date: Fri, 19 Sep 2025 15:43:54 +0100 Message-ID: <175829303126.1764550.939188785634158487.b4-ty@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20250918-arm64-lsfe-v4-1-0abc712101c7@kernel.org> References: <20250918-arm64-lsfe-v4-0-0abc712101c7@kernel.org> <20250918-arm64-lsfe-v4-1-0abc712101c7@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 185.219.108.64 X-SA-Exim-Rcpt-To: catalin.marinas@arm.com, will@kernel.org, corbet@lwn.net, oliver.upton@linux.dev, joey.gouly@arm.com, suzuki.poulose@arm.com, shuah@kernel.org, broonie@kernel.org, linux-arm-kernel@lists.infradead.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, kvmarm@lists.linux.dev, linux-kselftest@vger.kernel.org X-SA-Exim-Mail-From: maz@kernel.org X-SA-Exim-Scanned: No (on disco-boy.misterjones.org); SAEximRunCond expanded to false On Thu, 18 Sep 2025 20:42:06 +0100, Mark Brown wrote: > FEAT_LSFE (Large System Float Extension), providing atomic floating point > memory operations, is optional from v9.5. This feature adds no new > architectural state, expose the relevant ID register field to guests so > they can discover it. > > Applied to next, thanks! [1/2] KVM: arm64: Expose FEAT_LSFE to guests commit: 5d20605c8e7930254f7bee41336e421be247181c Cheers, M. -- Without deviation from the norm, progress is not possible.