From patchwork Sat May 26 13:20:27 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Anton Vorontsov X-Patchwork-Id: 8999 Return-Path: X-Original-To: patchwork@peony.canonical.com Delivered-To: patchwork@peony.canonical.com Received: from fiordland.canonical.com (fiordland.canonical.com [91.189.94.145]) by peony.canonical.com (Postfix) with ESMTP id ED74223EB5 for ; Sat, 26 May 2012 13:22:46 +0000 (UTC) Received: from mail-yw0-f52.google.com (mail-yw0-f52.google.com [209.85.213.52]) by fiordland.canonical.com (Postfix) with ESMTP id B566AA183C2 for ; Sat, 26 May 2012 13:22:46 +0000 (UTC) Received: by mail-yw0-f52.google.com with SMTP id p61so1372595yhp.11 for ; Sat, 26 May 2012 06:22:46 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=x-forwarded-to:x-forwarded-for:delivered-to:received-spf:from:to:cc :subject:date:message-id:x-mailer:in-reply-to:references :x-gm-message-state; bh=haQYEUB1QQLEPHGk92Yqej2WCcvZmCgxTbIVccGG7o8=; b=CM8P0QQQmjKHW0TMzL9IRWalIaPcLbHt2Gg9OVNvJmgexTW63TWCdeuioDabXF2wyo 5rft2VXVGbLvH3kZYsDncO+iPoI8N79NOYzkbtADsDl5YHMegkeCjnSMzQbOhsPi59FU e0Je+hbNOzxuXNZ3GW4XB0Pslh2z8qfcizj5oHVzKYoqD7Nuyy9Qqg3k8V8y32M5Skws BBfg8n/jKE8kOB/OVxMSc/hu3VnFNTKvZn7W0nUmBCMb6Fl5PcqkzDk+BMfKLmRvtrPv Ul5wA+n91hGs1htHN3iT5cqFJaWIzHTbsBwp7MirvjSBz+Xdyko7I4ZzVggNlFWvXf9n JWfA== Received: by 10.42.56.80 with SMTP id y16mr1202152icg.48.1338038566332; Sat, 26 May 2012 06:22:46 -0700 (PDT) X-Forwarded-To: linaro-patchwork@canonical.com X-Forwarded-For: patch@linaro.org linaro-patchwork@canonical.com Delivered-To: patches@linaro.org Received: by 10.231.24.148 with SMTP id v20csp86341ibb; Sat, 26 May 2012 06:22:45 -0700 (PDT) Received: by 10.68.195.65 with SMTP id ic1mr7995426pbc.71.1338038565347; Sat, 26 May 2012 06:22:45 -0700 (PDT) Received: from mail-pb0-f50.google.com (mail-pb0-f50.google.com [209.85.160.50]) by mx.google.com with ESMTPS id ro10si9941970pbc.312.2012.05.26.06.22.45 (version=TLSv1/SSLv3 cipher=OTHER); Sat, 26 May 2012 06:22:45 -0700 (PDT) Received-SPF: neutral (google.com: 209.85.160.50 is neither permitted nor denied by best guess record for domain of anton.vorontsov@linaro.org) client-ip=209.85.160.50; Authentication-Results: mx.google.com; spf=neutral (google.com: 209.85.160.50 is neither permitted nor denied by best guess record for domain of anton.vorontsov@linaro.org) smtp.mail=anton.vorontsov@linaro.org Received: by mail-pb0-f50.google.com with SMTP id rr4so3292827pbb.37 for ; Sat, 26 May 2012 06:22:45 -0700 (PDT) Received: by 10.68.232.73 with SMTP id tm9mr7915034pbc.43.1338038565060; Sat, 26 May 2012 06:22:45 -0700 (PDT) Received: from localhost (c-71-204-165-222.hsd1.ca.comcast.net. [71.204.165.222]) by mx.google.com with ESMTPS id qt8sm4026572pbc.65.2012.05.26.06.22.42 (version=TLSv1/SSLv3 cipher=OTHER); Sat, 26 May 2012 06:22:44 -0700 (PDT) From: Anton Vorontsov To: Greg Kroah-Hartman , Kees Cook , Colin Cross , Tony Luck Cc: Arnd Bergmann , John Stultz , Shuah Khan , 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 09/11] pstore/ram_core: Remove now unused code Date: Sat, 26 May 2012 06:20:27 -0700 Message-Id: <1338038429-21945-9-git-send-email-anton.vorontsov@linaro.org> X-Mailer: git-send-email 1.7.9.2 In-Reply-To: <20120526131747.GA15054@lizard> References: <20120526131747.GA15054@lizard> X-Gm-Message-State: ALoCoQkrjme39VWX9bLn6nRQZI+RHI+80HywUMPuSOa1ddnspG7vErS613NQdiiM2m9Fd95sm8oM The code tried to maintain the global list of persistent ram zones, which isn't a great idea overall, plus since Android's ram_console is no longer there, we can remove some unused functions. Signed-off-by: Anton Vorontsov Acked-by: Kees Cook Acked-by: Colin Cross --- fs/pstore/ram_core.c | 77 -------------------------------------------- include/linux/pstore_ram.h | 19 ----------- 2 files changed, 96 deletions(-) diff --git a/fs/pstore/ram_core.c b/fs/pstore/ram_core.c index 78f6d4b..0fd8161 100644 --- a/fs/pstore/ram_core.c +++ b/fs/pstore/ram_core.c @@ -35,8 +35,6 @@ struct persistent_ram_buffer { #define PERSISTENT_RAM_SIG (0x43474244) /* DBGC */ -static __initdata LIST_HEAD(persistent_ram_list); - static inline size_t buffer_size(struct persistent_ram_zone *prz) { return atomic_read(&prz->buffer->size); @@ -462,78 +460,3 @@ err: kfree(prz); return ERR_PTR(ret); } - -#ifndef MODULE -static int __init persistent_ram_buffer_init(const char *name, - struct persistent_ram_zone *prz) -{ - int i; - struct persistent_ram *ram; - struct persistent_ram_descriptor *desc; - phys_addr_t start; - - list_for_each_entry(ram, &persistent_ram_list, node) { - start = ram->start; - for (i = 0; i < ram->num_descs; i++) { - desc = &ram->descs[i]; - if (!strcmp(desc->name, name)) - return persistent_ram_buffer_map(start, - desc->size, prz); - start += desc->size; - } - } - - return -EINVAL; -} - -static __init -struct persistent_ram_zone *__persistent_ram_init(struct device *dev, bool ecc) -{ - struct persistent_ram_zone *prz; - int ret = -ENOMEM; - - prz = kzalloc(sizeof(struct persistent_ram_zone), GFP_KERNEL); - if (!prz) { - pr_err("persistent_ram: failed to allocate persistent ram zone\n"); - goto err; - } - - ret = persistent_ram_buffer_init(dev_name(dev), prz); - if (ret) { - pr_err("persistent_ram: failed to initialize buffer\n"); - goto err; - } - - persistent_ram_post_init(prz, ecc); - - return prz; -err: - kfree(prz); - return ERR_PTR(ret); -} - -struct persistent_ram_zone * __init -persistent_ram_init_ringbuffer(struct device *dev, bool ecc) -{ - return __persistent_ram_init(dev, ecc); -} - -int __init persistent_ram_early_init(struct persistent_ram *ram) -{ - int ret; - - ret = memblock_reserve(ram->start, ram->size); - if (ret) { - pr_err("Failed to reserve persistent memory from %08lx-%08lx\n", - (long)ram->start, (long)(ram->start + ram->size - 1)); - return ret; - } - - list_add_tail(&ram->node, &persistent_ram_list); - - pr_info("Initialized persistent memory from %08lx-%08lx\n", - (long)ram->start, (long)(ram->start + ram->size - 1)); - - return 0; -} -#endif diff --git a/include/linux/pstore_ram.h b/include/linux/pstore_ram.h index 9385d41..2470bb5 100644 --- a/include/linux/pstore_ram.h +++ b/include/linux/pstore_ram.h @@ -25,21 +25,6 @@ struct persistent_ram_buffer; -struct persistent_ram_descriptor { - const char *name; - phys_addr_t size; -}; - -struct persistent_ram { - phys_addr_t start; - phys_addr_t size; - - int num_descs; - struct persistent_ram_descriptor *descs; - - struct list_head node; -}; - struct persistent_ram_zone { phys_addr_t paddr; size_t size; @@ -63,15 +48,11 @@ struct persistent_ram_zone { size_t old_log_size; }; -int persistent_ram_early_init(struct persistent_ram *ram); - struct persistent_ram_zone * __init persistent_ram_new(phys_addr_t start, size_t size, bool ecc); void persistent_ram_free(struct persistent_ram_zone *prz); void persistent_ram_zap(struct persistent_ram_zone *prz); -struct persistent_ram_zone *persistent_ram_init_ringbuffer(struct device *dev, - bool ecc); int persistent_ram_write(struct persistent_ram_zone *prz, const void *s, unsigned int count);