From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932479AbdJZW3d (ORCPT ); Thu, 26 Oct 2017 18:29:33 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:34526 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932328AbdJZW3H (ORCPT ); Thu, 26 Oct 2017 18:29:07 -0400 DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 5E4CA607C9 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=clew@codeaurora.org From: Chris Lew To: bjorn.andersson@linaro.org, andy.gross@linaro.org, david.brown@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com Cc: aneela@codeaurora.org, smaliyap@codeaurora.org, linux-arm-msm@vger.kernel.org, linux-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, clew@codeaurora.org Subject: [PATCH v2 3/3] rpmsg: glink: Use best fit intent during tx Date: Thu, 26 Oct 2017 15:28:56 -0700 Message-Id: <1509056936-26578-4-git-send-email-clew@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1509056936-26578-1-git-send-email-clew@codeaurora.org> References: <1509056936-26578-1-git-send-email-clew@codeaurora.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Intents can vary in size, try to find the best fitting remote intent instead of first fit when sending a message to the remote proc. Signed-off-by: Chris Lew --- drivers/rpmsg/qcom_glink_native.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/rpmsg/qcom_glink_native.c b/drivers/rpmsg/qcom_glink_native.c index 7155adad6ab6..0ba1ffe2698f 100644 --- a/drivers/rpmsg/qcom_glink_native.c +++ b/drivers/rpmsg/qcom_glink_native.c @@ -1252,11 +1252,16 @@ static int __qcom_glink_send(struct glink_channel *channel, spin_lock_irqsave(&channel->intent_lock, flags); idr_for_each_entry(&channel->riids, tmp, iid) { if (tmp->size >= len && !tmp->in_use) { - tmp->in_use = true; - intent = tmp; - break; + if (!intent) + intent = tmp; + else if (intent->size > tmp->size) + intent = tmp; + if (intent->size == len) + break; } } + if (intent) + intent->in_use = true; spin_unlock_irqrestore(&channel->intent_lock, flags); /* We found an available intent */ -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project