From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wr1-f47.google.com (mail-wr1-f47.google.com [209.85.221.47]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 3A94033937D for ; Mon, 3 Aug 2026 10:35:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.221.47 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785753323; cv=none; b=q1QVY9pZvvM2IwYoSvdTKlK76cV59ZtzjLciWd1OEyI4PHEhxXq4UVGTx0CTaRhxs5LwfW6tyTXy0hPLQrZLkRetiHnuE///sRHt3LYqx1UP41XTD0RGUy5WOMcKuHw1HF8wwIeML8S/4QLfAmm+P9cxLE1lfx/YoLOTzv5EypU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785753323; c=relaxed/simple; bh=yeRlqgHQZa3hz5Qaq/3RS+NfWQ9WCl04KKECFw2GoZU=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=E1AnVSWoHmnkwkE66hzTkSnMx/LbvngXcnbeEvXWuU1b4ZYGJF1H3O0WcsaMqmJtDv1/H3x8PeMHwV5hOFYYUHWWotBO6Gk3ufxXwkZcM8oSWW1vn+eBZh/B9x7JzCM1Y87tSpFNVnnLVP1VBwbBCad2Nf82INj6NoF5TP9OJwk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=aBmI952U; arc=none smtp.client-ip=209.85.221.47 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="aBmI952U" Received: by mail-wr1-f47.google.com with SMTP id ffacd0b85a97d-471eeac43bfso3142695f8f.3 for ; Mon, 03 Aug 2026 03:35:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20251104; t=1785753320; x=1786358120; darn=vger.kernel.org; h=in-reply-to:content-disposition:content-type:mime-version :references:message-id:subject:cc:to:from:date:from:to:cc:subject :date:message-id:reply-to:content-type; bh=FRWZR/aXzNRtlaANjzO2S5r0yF9L37fVJhN+JbqqSaQ=; b=aBmI952UjFPeZ0ld+ZEccdKvuG1Sj8GNnJoztn8ZeRzD0Sc2bi6ciYfTsSY0Bqiz7p jtIN51TCOhQ1yKmeO2G2l/zNMy2NeATSO2mOodBroWKsoA2sTV5zt1HC2TH/u5n2QWmQ C2OTkYrc/jKVyfvbkkOt9jdIKow8DoXUoQUnHLp/jLxYJHrKxhyoNBVk+TXh20iU4aUA f4XYXqDJ2otfee5M+R+kZzb6HyBHMXemWusyTUCJd8lSsyAyb7E4zdbEyvvSOr840+F7 rpoaGJotxIeinz9by3vYTkP6pRKWoYbdX4N9DKGQlRRpss9sB/09iqVgThdqM9K5uX47 3IrA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1785753320; x=1786358120; h=in-reply-to:content-disposition:content-type:mime-version :references:message-id:subject:cc:to:from:date:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=FRWZR/aXzNRtlaANjzO2S5r0yF9L37fVJhN+JbqqSaQ=; b=bBUACwjVuNQRZmvyFDL7NFuNTTTTwZzsKF17a59evlHFIVsvo//1p/0eJL/o1mK21g nU08Uj3pJM+54PyEh2aQdF+gbrTp5c3zcnSYRAv3zSah8D3JCSed6w7S8CC1Ai1oaajx ZnRH4vh+nk8V8jMY22QSN0EyZwTM1vZxYwH2Jzr+z6Updl0v66QJiTXj4Qew3peOmal3 YUQg3jQMaH+VV2OGR5jPdwTIwxmnUZ6LOGGHCLcm0vkT7cErLxXfn6QIqZtCF1LS6CmN A2I2NANTpA6LOvTLqJeOfRlJdJzIMS0RoyVJF5qJEEp2XX/MsoaI80v0FDohLg7AKoS0 EP5Q== X-Forwarded-Encrypted: i=1; AHgh+Rr9me7LJvu4G4Srg3LPh06/MNf0EVXwZD/RBqOZgNWRvpxffC9S+mLUD0R6nFXogIKpjGQEBrbaM0GuehE=@vger.kernel.org X-Gm-Message-State: AOJu0YwV1lISwtRxiD3dPOyvzfnGImdSSC8egSA3mD5QOsX9XtYv0RdJ rlnxIW9jXhTcqLVplUc8Hu5lqvyqYQQPBR+0pyhlKmuj/MUzcM5QRc2babFSaWYwMw== X-Gm-Gg: AR+sD11dD1gQFx3RpRJIqoNe3T9kzs8BKqi1ZLlFxVhciFAPebRWmeIwKU3TzcjoerL rvO0bqmkgmVHqds147FGw1wx6f+hMyTAjkrCAlMUpJ9jnxumOSgXBHkwDNuLvqVb05HAIQ5A/6d JpEkyA7lsErczQZxvOMlidB0WWz5hoOBbFyVD039Z6mRjNqpS22mI0RCrbOUjKrBQ3Nqlkg7Lnf IZy9KiojiPp2bvF9fyGl0CADBecDb5GHU3h4ZW8tdFuSWGG81NvX0YD79NxJzpQAygbSGk7DaCf YWkTidBbLwKRd9qOKoYfKgNIV57vYgcEvSNb5cLWAiSR6xlp1GexvFEPhPTtcVa7A1vEoA1VAjh 1pEKw1hX3K4IifD+rig/qjjhOxVCsGC3qLr3sNhX9NoF9LvnGljKtTD8BNf0/qBPnZl7+w/5D0n RM0tp4ZyLB9XJDDGCEJaXv228178Um/lIx0MpaloIGSHxnlH8KBVMmg6H0w4NDwdNN6hAnl57ti kcL9qFif1Nct8q8xL0r/K8rbb5Wj9/d X-Received: by 2002:a05:6000:471a:b0:47f:ddc0:602a with SMTP id ffacd0b85a97d-47fddc06087mr15422708f8f.18.1785753299369; Mon, 03 Aug 2026 03:34:59 -0700 (PDT) Received: from google.com (135.91.155.104.bc.googleusercontent.com. [104.155.91.135]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-47fd41d1a58sm31650490f8f.7.2026.08.03.03.34.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 03 Aug 2026 03:34:58 -0700 (PDT) Date: Mon, 3 Aug 2026 11:34:55 +0100 From: Vincent Donnefort To: Fuad Tabba Cc: maz@kernel.org, oupton@kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.linux.dev, catalin.marinas@arm.com, will@kernel.org, rostedt@goodmis.org, mhiramat@kernel.org, alexandru.elisei@arm.com, joey.gouly@arm.com, seiden@linux.ibm.com, suzuki.poulose@arm.com, yuzenghui@huawei.com, qperret@google.com, ardb@kernel.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, tabba@google.com Subject: Re: [PATCH v1 04/11] KVM: arm64: nVHE: Use NULL to reset the trace buffer backing pointer Message-ID: References: <20260720161343.1367007-1-fuad.tabba@linux.dev> <20260720161343.1367007-5-fuad.tabba@linux.dev> 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=us-ascii Content-Disposition: inline In-Reply-To: <20260720161343.1367007-5-fuad.tabba@linux.dev> On Mon, Jul 20, 2026 at 05:13:36PM +0100, Fuad Tabba wrote: > bpages_backing_start is a pointer; resetting it to plain 0 triggers a > sparse warning. > > No functional change intended. > > Signed-off-by: Fuad Tabba Probably missed this when modifying the type for bpages_backing_start. Reviewed-by: Vincent Donnefort > --- > arch/arm64/kvm/hyp/nvhe/trace.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/arch/arm64/kvm/hyp/nvhe/trace.c b/arch/arm64/kvm/hyp/nvhe/trace.c > index e7e150ab265ff..177fe3d8fbb13 100644 > --- a/arch/arm64/kvm/hyp/nvhe/trace.c > +++ b/arch/arm64/kvm/hyp/nvhe/trace.c > @@ -93,7 +93,7 @@ static void hyp_trace_buffer_unload_bpage_backing(struct hyp_trace_buffer *trace > > __release_host_mem(start, size); > > - trace_buffer->bpages_backing_start = 0; > + trace_buffer->bpages_backing_start = NULL; > trace_buffer->bpages_backing_size = 0; > } > > -- > 2.39.5 > -- Vincent