From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id C32B3C00140 for ; Mon, 15 Aug 2022 17:26:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232176AbiHOR0u (ORCPT ); Mon, 15 Aug 2022 13:26:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42856 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230459AbiHOR02 (ORCPT ); Mon, 15 Aug 2022 13:26:28 -0400 Received: from out0.migadu.com (out0.migadu.com [IPv6:2001:41d0:2:267::]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A6249DFFE for ; Mon, 15 Aug 2022 10:26:27 -0700 (PDT) X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1; t=1660584386; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=m/lKX9ZUHXzC0bBF9SIiQeiiomTeFjfSeB/rTpQxZUs=; b=Pfp6qi9ztVQJ4exOVEkmktvoB/yykemr4v2qos611DnZRe+HnL9nvO95Kd/A5pFqyKsnDZ B5zdqhvR1flEd0zso4JjQLgfTEUQW9Nx9dPPRQwWdlgzfAyjRpph4huOzqVgc8LpWDzOij XiwRGRVWnfhqXyd7BEELuPKZ1rU0mIU= From: Kent Overstreet To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org, Kent Overstreet , x86@kernel.org Subject: [PATCH 05/11] x86/resctrl: Convert to printbuf Date: Mon, 15 Aug 2022 13:26:07 -0400 Message-Id: <20220815172613.621627-6-kent.overstreet@linux.dev> In-Reply-To: <20220815172613.621627-1-kent.overstreet@linux.dev> References: <20220815172613.621627-1-kent.overstreet@linux.dev> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Migadu-Flow: FLOW_OUT X-Migadu-Auth-User: linux.dev Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Kent Overstreet This converts from seq_buf to printbuf. We're using printbuf in external buffer mode so it's a trivial direct conversion. Signed-off-by: Kent Overstreet Cc: x86@kernel.org --- arch/x86/kernel/cpu/resctrl/rdtgroup.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/arch/x86/kernel/cpu/resctrl/rdtgroup.c b/arch/x86/kernel/cpu/resctrl/rdtgroup.c index f276aff521..50c12711a2 100644 --- a/arch/x86/kernel/cpu/resctrl/rdtgroup.c +++ b/arch/x86/kernel/cpu/resctrl/rdtgroup.c @@ -19,7 +19,7 @@ #include #include #include -#include +#include #include #include #include @@ -51,7 +51,7 @@ static struct kernfs_node *kn_mongrp; /* Kernel fs node for "mon_data" directory under root */ static struct kernfs_node *kn_mondata; -static struct seq_buf last_cmd_status; +static struct printbuf last_cmd_status; static char last_cmd_status_buf[512]; struct dentry *debugfs_resctrl; @@ -59,13 +59,13 @@ struct dentry *debugfs_resctrl; void rdt_last_cmd_clear(void) { lockdep_assert_held(&rdtgroup_mutex); - seq_buf_clear(&last_cmd_status); + printbuf_reset(&last_cmd_status); } void rdt_last_cmd_puts(const char *s) { lockdep_assert_held(&rdtgroup_mutex); - seq_buf_puts(&last_cmd_status, s); + prt_str(&last_cmd_status, s); } void rdt_last_cmd_printf(const char *fmt, ...) @@ -74,7 +74,7 @@ void rdt_last_cmd_printf(const char *fmt, ...) va_start(ap, fmt); lockdep_assert_held(&rdtgroup_mutex); - seq_buf_vprintf(&last_cmd_status, fmt, ap); + prt_vprintf(&last_cmd_status, fmt, ap); va_end(ap); } @@ -833,7 +833,7 @@ static int rdt_last_cmd_status_show(struct kernfs_open_file *of, int len; mutex_lock(&rdtgroup_mutex); - len = seq_buf_used(&last_cmd_status); + len = printbuf_written(&last_cmd_status); if (len) seq_printf(seq, "%.*s", len, last_cmd_status_buf); else @@ -3248,8 +3248,8 @@ int __init rdtgroup_init(void) { int ret = 0; - seq_buf_init(&last_cmd_status, last_cmd_status_buf, - sizeof(last_cmd_status_buf)); + last_cmd_status = PRINTBUF_EXTERN(last_cmd_status_buf, + sizeof(last_cmd_status_buf)); ret = rdtgroup_setup_root(); if (ret) -- 2.36.1