From patchwork Wed Sep 29 02:35:22 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kefeng Wang X-Patchwork-Id: 12524415 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E8AD4C433F5 for ; Wed, 29 Sep 2021 02:33:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CC82A61407 for ; Wed, 29 Sep 2021 02:33:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243868AbhI2Cfi (ORCPT ); Tue, 28 Sep 2021 22:35:38 -0400 Received: from szxga01-in.huawei.com ([45.249.212.187]:12965 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243851AbhI2CfY (ORCPT ); Tue, 28 Sep 2021 22:35:24 -0400 Received: from dggemv703-chm.china.huawei.com (unknown [172.30.72.53]) by szxga01-in.huawei.com (SkyGuard) with ESMTP id 4HK0lC0RyYzWZG7; Wed, 29 Sep 2021 10:32:23 +0800 (CST) Received: from dggpemm500001.china.huawei.com (7.185.36.107) by dggemv703-chm.china.huawei.com (10.3.19.46) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.8; Wed, 29 Sep 2021 10:33:41 +0800 Received: from localhost.localdomain.localdomain (10.175.113.25) by dggpemm500001.china.huawei.com (7.185.36.107) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2308.8; Wed, 29 Sep 2021 10:33:41 +0800 From: Kefeng Wang To: Thomas Gleixner , Guo Ren , Yoshinori Sato , Rich Felker , , , CC: Kefeng Wang Subject: [PATCH v3 3/3] genirq: Cleanup Kconfig Date: Wed, 29 Sep 2021 10:35:22 +0800 Message-ID: <20210929023522.57732-4-wangkefeng.wang@huawei.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210929023522.57732-1-wangkefeng.wang@huawei.com> References: <20210929023522.57732-1-wangkefeng.wang@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.175.113.25] X-ClientProxiedBy: dggems705-chm.china.huawei.com (10.3.19.182) To dggpemm500001.china.huawei.com (7.185.36.107) X-CFilter-Loop: Reflected Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org As the last user of MAY_HAVE_SPARSE_IRQ is gone, kill it, and clean up the SPARSE_IRQ description, covert the help text into comment. Also move GENERIC_IRQ_MULTI_HANDLER into menu, and change all spaces to tabs to fix alignment issue. Cc: Thomas Gleixner Signed-off-by: Kefeng Wang --- kernel/irq/Kconfig | 50 +++++++++++++++++++--------------------------- 1 file changed, 20 insertions(+), 30 deletions(-) diff --git a/kernel/irq/Kconfig b/kernel/irq/Kconfig index fbc54c2a7f23..aa7d0e3edea6 100644 --- a/kernel/irq/Kconfig +++ b/kernel/irq/Kconfig @@ -2,13 +2,9 @@ menu "IRQ subsystem" # Options selectable by the architecture code -# Make sparse irq Kconfig switch below available -config MAY_HAVE_SPARSE_IRQ - bool - # Legacy support, required for itanic config GENERIC_IRQ_LEGACY - bool + bool # Enable the generic irq autoprobe mechanism config GENERIC_IRQ_PROBE @@ -16,15 +12,15 @@ config GENERIC_IRQ_PROBE # Use the generic /proc/interrupts implementation config GENERIC_IRQ_SHOW - bool + bool # Print level/edge extra information config GENERIC_IRQ_SHOW_LEVEL - bool + bool # Supports effective affinity mask config GENERIC_IRQ_EFFECTIVE_AFF_MASK - bool + bool # Support for delayed migration from interrupt context config GENERIC_PENDING_IRQ @@ -36,7 +32,7 @@ config GENERIC_IRQ_MIGRATION # Alpha specific irq affinity mechanism config AUTO_IRQ_AFFINITY - bool + bool # Interrupt injection mechanism config GENERIC_IRQ_INJECTION @@ -44,16 +40,16 @@ config GENERIC_IRQ_INJECTION # Tasklet based software resend for pending interrupts on enable_irq() config HARDIRQS_SW_RESEND - bool + bool # Edge style eoi based handler (cell) config IRQ_EDGE_EOI_HANDLER - bool + bool # Generic configurable interrupt chip implementation config GENERIC_IRQ_CHIP - bool - select IRQ_DOMAIN + bool + select IRQ_DOMAIN # Generic irq_domain hw <--> linux irq number translation config IRQ_DOMAIN @@ -103,6 +99,10 @@ config HANDLE_DOMAIN_IRQ config IRQ_TIMINGS bool +# Allow to specify the low level IRQ handler at run time. +config GENERIC_IRQ_MULTI_HANDLER + bool + config GENERIC_IRQ_MATRIX_ALLOCATOR bool @@ -111,20 +111,15 @@ config GENERIC_IRQ_RESERVATION_MODE # Support forced irq threading config IRQ_FORCED_THREADING - bool + bool +# Sparse irq numbering is useful for distro kernels that want +# to define a high CONFIG_NR_CPUS value but still want to have +# low kernel memory footprint on smaller machines. +# Sparse irqs can also be beneficial on NUMA boxes, as they spread +# out the interrupt descriptors in a more NUMA-friendly way. config SPARSE_IRQ - bool "Support sparse irq numbering" if MAY_HAVE_SPARSE_IRQ - help - - Sparse irq numbering is useful for distro kernels that want - to define a high CONFIG_NR_CPUS value but still want to have - low kernel memory footprint on smaller machines. - - ( Sparse irqs can also be beneficial on NUMA boxes, as they spread - out the interrupt descriptors in a more NUMA-friendly way. ) - - If you don't know what to do here, say N. + bool config GENERIC_IRQ_DEBUGFS bool "Expose irq internals in debugfs" @@ -139,8 +134,3 @@ config GENERIC_IRQ_DEBUGFS If you don't know what to do here, say N. endmenu - -config GENERIC_IRQ_MULTI_HANDLER - bool - help - Allow to specify the low level IRQ handler at run time.