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 42A061B4223; Thu, 8 Jan 2026 22:29:58 +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=1767911399; cv=none; b=WDOvOZtn0NbqNPWzBmTD5HecUhO3nETild6CRkIUWcvfFG35WVqh775BdIlKcIG35T3ZnMDsF0Jj2j913gRtVS/TJpCrkgkKgXKLD8DTfqQQxetbCP5agEBs5d011HbplWINtNeH4Wi1OCo38NJlf0oxnJILRJzroopGBfruGWk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767911399; c=relaxed/simple; bh=Zc539l3fQP67RQ3PA4+JN/sDBZn6/BFbAN/DKJlIfMA=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=aOYGlvxpw1zuHwmLNm6VossFjg+NMR+eru6bbv5iPM/9azhfQVgSQh4UEsC5w4Dr1i22WFTA8x9ddokushBvuXuLGjIGEEhR12832wIfL3JP1o1ViszWrFTztDwl3q5jCc9+3vrlIZNnb6yzKmEvOvYbV9c3ta2ufT3328zgSd0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=NWhbO4To; 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="NWhbO4To" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0B069C116C6; Thu, 8 Jan 2026 22:29:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1767911398; bh=Zc539l3fQP67RQ3PA4+JN/sDBZn6/BFbAN/DKJlIfMA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=NWhbO4Tojnk5cH5lfB6+pIVBs8X9zuvtraEkr/0Mxtw7iDgLp/WW9Q+0QewXqlD/f zE1XfXHgWzrqcVG8P6VkWYMLKgIP82SsKLKyvl0VVfUemMrXtQTHW0/dWmX0rh7Ts1 6yOU90ivoSgw2xEhLwpTh0g3tawlLjNWerZGcQqCqlfBa7/MkvSgP5LSxgx4gs/75o vwsPS1ek9S4Fvd4wI3rn+Erw0no46eFmnfpwMG1+ouRAk73TiM2Sj1VhV/u407ne4c f4UJJ4qbi3YhgtQDn2CHLXwQ7/SzoJ6mQe3rmOszoWudR1CyNl+EKADxi/IEKFXQm0 Mpbd/4Esxk3dw== From: Will Deacon To: Catalin Marinas , Mark Rutland , Laura Abbott , Breno Leitao Cc: kernel-team@android.com, Will Deacon , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, Steven Rostedt , Masami Hiramatsu , kernel-team@meta.com, puranjay@kernel.org, stable@vger.kernel.org Subject: Re: [PATCH v2] arm64: Disable branch profiling for all arm64 code Date: Thu, 8 Jan 2026 22:29:46 +0000 Message-ID: <176790876272.654154.10766231430439106278.b4-ty@kernel.org> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260106-annotated-v2-1-fb7600ebd47f@debian.org> References: <20260106-annotated-v2-1-fb7600ebd47f@debian.org> Precedence: bulk X-Mailing-List: linux-trace-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 On Tue, 06 Jan 2026 02:16:35 -0800, Breno Leitao wrote: > The arm64 kernel doesn't boot with annotated branches > (PROFILE_ANNOTATED_BRANCHES) enabled and CONFIG_DEBUG_VIRTUAL together. > > Bisecting it, I found that disabling branch profiling in arch/arm64/mm > solved the problem. Narrowing down a bit further, I found that > physaddr.c is the file that needs to have branch profiling disabled to > get the machine to boot. > > [...] Applied to arm64 (for-next/misc), thanks! [1/1] arm64: Disable branch profiling for all arm64 code https://git.kernel.org/arm64/c/f22c81bebf8b Cheers, -- Will https://fixes.arm64.dev https://next.arm64.dev https://will.arm64.dev