Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761623Ab2ELAUj (ORCPT ); Fri, 11 May 2012 20:20:39 -0400 Received: from mail-pz0-f46.google.com ([209.85.210.46]:42602 "EHLO mail-pz0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761571Ab2ELAUZ (ORCPT ); Fri, 11 May 2012 20:20:25 -0400 Date: Fri, 11 May 2012 17:18:57 -0700 From: Anton Vorontsov To: Greg Kroah-Hartman , Kees Cook , Colin Cross Cc: Arnd Bergmann , John Stultz , arve@android.com, Rebecca Schultz Zavin , Jesper Juhl , Randy Dunlap , Stephen Boyd , Thomas Meyer , Andrew Morton , Marco Stornelli , WANG Cong , linux-kernel@vger.kernel.org, devel@driverdev.osuosl.org, linaro-kernel@lists.linaro.org, patches@linaro.org, kernel-team@android.com Subject: [PATCH 11/11] pstore/ram: Add ECC support Message-ID: <20120512001857.GK14782@lizard> References: <20120512001506.GA8653@lizard> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20120512001506.GA8653@lizard> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1848 Lines: 53 This is now straightforward: just introduce a module parameter and pass the needed value to persistent_ram_new(). Signed-off-by: Anton Vorontsov --- fs/pstore/ram.c | 12 +++++++++--- 1 file changed, 9 insertions(+), 3 deletions(-) diff --git a/fs/pstore/ram.c b/fs/pstore/ram.c index cf0ad92..eeb4e32 100644 --- a/fs/pstore/ram.c +++ b/fs/pstore/ram.c @@ -61,6 +61,11 @@ module_param(dump_oops, int, 0600); MODULE_PARM_DESC(dump_oops, "set to 1 to dump oopses, 0 to only dump panics (default 1)"); +static int ramoops_ecc; +module_param_named(ecc, ramoops_ecc, int, 0600); +MODULE_PARM_DESC(ramoops_ecc, + "set to 1 to enable ECC support"); + struct ramoops_context { struct persistent_ram_zone **przs; phys_addr_t phys_addr; @@ -251,7 +256,7 @@ static int __init ramoops_probe(struct platform_device *pdev) size_t sz = cxt->record_size; phys_addr_t start = cxt->phys_addr + sz * i; - cxt->przs[i] = persistent_ram_new(start, sz, 0); + cxt->przs[i] = persistent_ram_new(start, sz, ramoops_ecc); if (IS_ERR(cxt->przs[i])) { err = PTR_ERR(cxt->przs[i]); pr_err("failed to initialize a prz\n"); @@ -283,9 +288,10 @@ static int __init ramoops_probe(struct platform_device *pdev) record_size = pdata->record_size; dump_oops = pdata->dump_oops; - pr_info("attached 0x%lx@0x%llx (%ux0x%zx)\n", + pr_info("attached 0x%lx@0x%llx (%ux0x%zx), ecc: %s\n", cxt->size, (unsigned long long)cxt->phys_addr, - cxt->max_count, cxt->record_size); + cxt->max_count, cxt->record_size, + ramoops_ecc ? "on" : "off"); return 0; -- 1.7.9.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/