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 F0F5D1548C; Tue, 8 Jul 2025 18:03:12 +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=1751997793; cv=none; b=TCYrslMjcciy/tjl0sMFlbOCLOUUg8QBpmaNx2nJqSi6ySOEt9+r4I8n8JnjQ+Rn1DO3uwSpK4scse/Fd1spUSjLPdbdBaH7L2YF/D8f51ZkMAh/P2xFzdSPMFOFDLTqxx4Na3yW5XCJD8wRfp+Q+q2ZltYx1Tk6Sj7CZqkDGnE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751997793; c=relaxed/simple; bh=VoEolaFTJNzpKG4M2/ParplG0VvzAYfss/xgoyqHWa0=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=McpmJeS536i7oNyIRSqw74ox3Jn6NdTy6z7H9GVZfM7Gs9l65FVGsGwJ5VhEfurvLrJmvpEWhvJkAVWRjIMYD/y2CwwcndMwSxnvgWeA43IDTzSfWzcS3Aw8fELsh6Y6hhkI05YWycnzzHxot9t6fqRieDTCiC2DI+kn9sfqRnQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=tnX7/fT6; 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="tnX7/fT6" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D53A8C4CEED; Tue, 8 Jul 2025 18:03:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1751997792; bh=VoEolaFTJNzpKG4M2/ParplG0VvzAYfss/xgoyqHWa0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=tnX7/fT629zWKB7jluJEr8dLn9RwRvK1aJHFo/IkmlA6aVqpfizgL7O6bZywJyLMi 9SykPdXaIGfB3CgTkDfn8za3yqKwowCGsz1fk6gol3kSRiC/ZLx4bL1kxFNtTVxyXn /7c7WCEid61YOWxnhpeqjGbKIFPGs/TT5KxoIKFY6/nJrVoEou/21YnVK1B99IYufi bjfseF6L/4FDvKB/tnj+4WfGgFVO4qOWzWO1iKG6hDImJnOAUm1qSnrk47UwDPS+C0 +5cRPunQW9Etyk+dXooY5gwddqOJnpS4bUesJfTLtxtOwqhLYGIhRfiCmAobgJy1DM A1D1HAIe88iPg== From: Will Deacon To: Mark Rutland , Catalin Marinas , Jonathan Corbet , Marc Zyngier , Oliver Upton , Joey Gouly , Suzuki K Poulose , Zenghui Yu , James Clark , Anshuman Khandual , Leo Yan , "Rob Herring (Arm)" Cc: kernel-team@android.com, Will Deacon , linux-arm-kernel@lists.infradead.org, linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, kvmarm@lists.linux.dev, Mark Brown Subject: Re: [PATCH v23 0/4] arm64/perf: Enable branch stack sampling Date: Tue, 8 Jul 2025 19:02:59 +0100 Message-Id: <175198748936.383518.12260470313437607576.b4-ty@kernel.org> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20250611-arm-brbe-v19-v23-0-e7775563036e@kernel.org> References: <20250611-arm-brbe-v19-v23-0-e7775563036e@kernel.org> Precedence: bulk X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit On Wed, 11 Jun 2025 13:01:10 -0500, Rob Herring (Arm) wrote: > This series enables perf branch stack sampling support on arm64 via a > v9.2 arch feature called Branch Record Buffer Extension (BRBE). Details > on BRBE can be found in the Arm ARM[1] chapter D18. > > I've picked up this series from Anshuman. v19 and later versions have > been reworked quite a bit by Mark and myself. The bulk of those changes > are in patch 5. > > [...] Applied to will (for-next/perf), thanks! [1/4] arm64/sysreg: Add BRBE registers and fields https://git.kernel.org/will/c/52e4a56ab8b8 [2/4] arm64: Handle BRBE booting requirements https://git.kernel.org/will/c/ae344bcb0d49 [3/4] KVM: arm64: nvhe: Disable branch generation in nVHE guests https://git.kernel.org/will/c/d7567e9b9ba5 [4/4] perf: arm_pmuv3: Add support for the Branch Record Buffer Extension (BRBE) https://git.kernel.org/will/c/58074a0fce66 Cheers, -- Will https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev