From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751479AbdAQKVs (ORCPT ); Tue, 17 Jan 2017 05:21:48 -0500 Received: from foss.arm.com ([217.140.101.70]:45110 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751454AbdAQKVn (ORCPT ); Tue, 17 Jan 2017 05:21:43 -0500 From: Marc Zyngier To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kvmarm@lists.cs.columbia.edu Cc: Christoffer Dall , Thomas Gleixner , Jason Cooper , Eric Auger Subject: [RFC PATCH 12/33] irqchip/gic-v3-its: Rework LPI freeing Date: Tue, 17 Jan 2017 10:20:33 +0000 Message-Id: <1484648454-21216-13-git-send-email-marc.zyngier@arm.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1484648454-21216-1-git-send-email-marc.zyngier@arm.com> References: <1484648454-21216-1-git-send-email-marc.zyngier@arm.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Rework LPI deallocation so that it can be reused by the v4 support code. Signed-off-by: Marc Zyngier --- drivers/irqchip/irq-gic-v3-its.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index dce8f8c..5d96b37 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -865,10 +865,8 @@ static unsigned long *its_lpi_alloc_chunks(int nr_irqs, int *base, int *nr_ids) return bitmap; } -static void its_lpi_free(struct event_lpi_map *map) +static void its_lpi_free_chunks(unsigned long *bitmap, int base, int nr_ids) { - int base = map->lpi_base; - int nr_ids = map->nr_lpis; int lpi; spin_lock(&lpi_lock); @@ -885,8 +883,7 @@ static void its_lpi_free(struct event_lpi_map *map) spin_unlock(&lpi_lock); - kfree(map->lpi_map); - kfree(map->col_map); + kfree(bitmap); } static struct page *its_allocate_prop_table(gfp_t gfp_flags) @@ -1654,7 +1651,10 @@ static void its_irq_domain_free(struct irq_domain *domain, unsigned int virq, /* If all interrupts have been freed, start mopping the floor */ if (bitmap_empty(its_dev->event_map.lpi_map, its_dev->event_map.nr_lpis)) { - its_lpi_free(&its_dev->event_map); + its_lpi_free_chunks(its_dev->event_map.lpi_map, + its_dev->event_map.lpi_base, + its_dev->event_map.nr_lpis); + kfree(its_dev->event_map.col_map); /* Unmap device/itt */ its_send_mapd(its_dev, 0); -- 2.1.4