From patchwork Sat Mar 8 17:36:49 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Steven Rostedt X-Patchwork-Id: 14007596 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 8B20CD528; Sat, 8 Mar 2025 17:36:51 +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=1741455411; cv=none; b=kfRyq3XBZjMG9Nx92ezK6GRw8LuHhPKurfiDONiYnTcW0adCeVXMAsux/mQw5G2iwRDk74+TaQ2m/HjZ0K08qHrKSzacT5+raBZhikzFGJsv1MyOdjHWpngH/c+ThFbliKMl86JPzR8euJc7gwgibqNX3OQJdzPZx8KPkpQZMbk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741455411; c=relaxed/simple; bh=BB3LZuB9tJDrDzY4Ie3LaAjfOqqDaX+OJHNb1pEE7e0=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type; b=HgJUCCiwR4n/MoyRaLGgftJ7X+wZllOO4ZXBgsBv9uMZ4L8MDA+5FkrpPLQJ7a2WKDJQqd2eKAAP0BHErCOEdaFj0BemK6gDPrbPQKQ9M3hNUzZ9MO/1Ds/XP7wcxH/VcHZ7GXFR+YZY63bmL/Hqr0wve78xjjISbUDF76266sA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 65D95C4CEE0; Sat, 8 Mar 2025 17:36:50 +0000 (UTC) Date: Sat, 8 Mar 2025 12:36:49 -0500 From: Steven Rostedt To: LKML , Linux trace kernel Cc: Masami Hiramatsu , Mathieu Desnoyers Subject: [PATCH] ring-buffer: Have parameter to virt_addr_valid() cast to pointer Message-ID: <20250308123649.1330e9ca@batman.local.home> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Steven Rostedt Some architectures expect the parameter passed to virt_addr_valid() to be a pointer. Cast the unsigned long parameter to a void pointer. Reported-by: kernel test robot Closes: https://lore.kernel.org/oe-kbuild-all/202503090029.zj0DretW-lkp@intel.com/ Fixes: 10a299da2c2b9 ("ring-buffer: Allow persistent ring buffers to be mmapped") Signed-off-by: Steven Rostedt (Google) --- kernel/trace/ring_buffer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 649724efd1be..94be81edffd2 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -7134,7 +7134,7 @@ static int __rb_map_vma(struct ring_buffer_per_cpu *cpu_buffer, goto out; } - if (virt_addr_valid(cpu_buffer->subbuf_ids[s])) + if (virt_addr_valid((void *)cpu_buffer->subbuf_ids[s])) page = virt_to_page((void *)cpu_buffer->subbuf_ids[s]); else page = vmalloc_to_page((void *)cpu_buffer->subbuf_ids[s]);