From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pa0-f43.google.com (mail-pa0-f43.google.com [209.85.220.43]) by kanga.kvack.org (Postfix) with ESMTP id EC9386B025B for ; Sat, 30 Jan 2016 04:34:01 -0500 (EST) Received: by mail-pa0-f43.google.com with SMTP id yy13so54358568pab.3 for ; Sat, 30 Jan 2016 01:34:01 -0800 (PST) Received: from terminus.zytor.com (terminus.zytor.com. [2001:1868:205::10]) by mx.google.com with ESMTPS id rd6si8352491pab.153.2016.01.30.01.34.01 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Sat, 30 Jan 2016 01:34:01 -0800 (PST) Date: Sat, 30 Jan 2016 01:32:50 -0800 From: tip-bot for Toshi Kani Message-ID: Reply-To: hpa@zytor.com, mcgrof@suse.com, bp@alien8.de, brgerst@gmail.com, dyoung@redhat.com, bp@suse.de, mnfhuang@gmail.com, ross.zwisler@linux.intel.com, dvlasenk@redhat.com, torvalds@linux-foundation.org, mingo@kernel.org, linux-mm@kvack.org, joeyli.kernel@gmail.com, dzickus@redhat.com, luto@kernel.org, peterz@infradead.org, akpm@linux-foundation.org, luto@amacapital.net, tglx@linutronix.de, toshi.kani@hpe.com, linux-kernel@vger.kernel.org, dan.j.williams@intel.com, toshi.kani@hp.com, sfr@canb.auug.org.au, indou.takao@jp.fujitsu.com In-Reply-To: <1453841853-11383-15-git-send-email-bp@alien8.de> References: <1453841853-11383-15-git-send-email-bp@alien8.de> Subject: [tip:core/resources] x86, kexec, nvdimm: Use walk_iomem_res_desc( ) for iomem search MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: owner-linux-mm@kvack.org List-ID: To: linux-tip-commits@vger.kernel.org Cc: toshi.kani@hpe.com, toshi.kani@hp.com, linux-kernel@vger.kernel.org, dan.j.williams@intel.com, sfr@canb.auug.org.au, indou.takao@jp.fujitsu.com, linux-mm@kvack.org, mingo@kernel.org, dvlasenk@redhat.com, torvalds@linux-foundation.org, luto@kernel.org, joeyli.kernel@gmail.com, dzickus@redhat.com, akpm@linux-foundation.org, peterz@infradead.org, luto@amacapital.net, tglx@linutronix.de, brgerst@gmail.com, bp@suse.de, dyoung@redhat.com, ross.zwisler@linux.intel.com, mnfhuang@gmail.com, hpa@zytor.com, mcgrof@suse.com, bp@alien8.de Commit-ID: f0f4711aa16b82016c0b6e59871934bbd71258da Gitweb: http://git.kernel.org/tip/f0f4711aa16b82016c0b6e59871934bbd71258da Author: Toshi Kani AuthorDate: Tue, 26 Jan 2016 21:57:30 +0100 Committer: Ingo Molnar CommitDate: Sat, 30 Jan 2016 09:49:59 +0100 x86, kexec, nvdimm: Use walk_iomem_res_desc() for iomem search Change the callers of walk_iomem_res() scanning for the following resources by name to use walk_iomem_res_desc() instead. "ACPI Tables" "ACPI Non-volatile Storage" "Persistent Memory (legacy)" "Crash kernel" Note, the caller of walk_iomem_res() with "GART" will be removed in a later patch. Signed-off-by: Toshi Kani Signed-off-by: Borislav Petkov Reviewed-by: Dave Young Cc: Andrew Morton Cc: Andy Lutomirski Cc: Andy Lutomirski Cc: Borislav Petkov Cc: Brian Gerst Cc: Chun-Yi Cc: Dan Williams Cc: Denys Vlasenko Cc: Don Zickus Cc: H. Peter Anvin Cc: Lee, Chun-Yi Cc: Linus Torvalds Cc: Luis R. Rodriguez Cc: Minfei Huang Cc: Peter Zijlstra (Intel) Cc: Ross Zwisler Cc: Stephen Rothwell Cc: Takao Indoh Cc: Thomas Gleixner Cc: Toshi Kani Cc: kexec@lists.infradead.org Cc: linux-arch@vger.kernel.org Cc: linux-mm Cc: linux-nvdimm@lists.01.org Link: http://lkml.kernel.org/r/1453841853-11383-15-git-send-email-bp@alien8.de Signed-off-by: Ingo Molnar --- arch/x86/kernel/crash.c | 4 ++-- arch/x86/kernel/pmem.c | 4 ++-- drivers/nvdimm/e820.c | 2 +- kernel/kexec_file.c | 8 ++++---- 4 files changed, 9 insertions(+), 9 deletions(-) diff --git a/arch/x86/kernel/crash.c b/arch/x86/kernel/crash.c index 58f3431..35e152e 100644 --- a/arch/x86/kernel/crash.c +++ b/arch/x86/kernel/crash.c @@ -599,12 +599,12 @@ int crash_setup_memmap_entries(struct kimage *image, struct boot_params *params) /* Add ACPI tables */ cmd.type = E820_ACPI; flags = IORESOURCE_MEM | IORESOURCE_BUSY; - walk_iomem_res("ACPI Tables", flags, 0, -1, &cmd, + walk_iomem_res_desc(IORES_DESC_ACPI_TABLES, flags, 0, -1, &cmd, memmap_entry_callback); /* Add ACPI Non-volatile Storage */ cmd.type = E820_NVS; - walk_iomem_res("ACPI Non-volatile Storage", flags, 0, -1, &cmd, + walk_iomem_res_desc(IORES_DESC_ACPI_NV_STORAGE, flags, 0, -1, &cmd, memmap_entry_callback); /* Add crashk_low_res region */ diff --git a/arch/x86/kernel/pmem.c b/arch/x86/kernel/pmem.c index 14415af..92f7014 100644 --- a/arch/x86/kernel/pmem.c +++ b/arch/x86/kernel/pmem.c @@ -13,11 +13,11 @@ static int found(u64 start, u64 end, void *data) static __init int register_e820_pmem(void) { - char *pmem = "Persistent Memory (legacy)"; struct platform_device *pdev; int rc; - rc = walk_iomem_res(pmem, IORESOURCE_MEM, 0, -1, NULL, found); + rc = walk_iomem_res_desc(IORES_DESC_PERSISTENT_MEMORY_LEGACY, + IORESOURCE_MEM, 0, -1, NULL, found); if (rc <= 0) return 0; diff --git a/drivers/nvdimm/e820.c b/drivers/nvdimm/e820.c index b0045a5..95825b3 100644 --- a/drivers/nvdimm/e820.c +++ b/drivers/nvdimm/e820.c @@ -55,7 +55,7 @@ static int e820_pmem_probe(struct platform_device *pdev) for (p = iomem_resource.child; p ; p = p->sibling) { struct nd_region_desc ndr_desc; - if (strncmp(p->name, "Persistent Memory (legacy)", 26) != 0) + if (p->desc != IORES_DESC_PERSISTENT_MEMORY_LEGACY) continue; memset(&ndr_desc, 0, sizeof(ndr_desc)); diff --git a/kernel/kexec_file.c b/kernel/kexec_file.c index 2bfcdc0..56b18eb 100644 --- a/kernel/kexec_file.c +++ b/kernel/kexec_file.c @@ -524,10 +524,10 @@ int kexec_add_buffer(struct kimage *image, char *buffer, unsigned long bufsz, /* Walk the RAM ranges and allocate a suitable range for the buffer */ if (image->type == KEXEC_TYPE_CRASH) - ret = walk_iomem_res("Crash kernel", - IORESOURCE_SYSTEM_RAM | IORESOURCE_BUSY, - crashk_res.start, crashk_res.end, kbuf, - locate_mem_hole_callback); + ret = walk_iomem_res_desc(crashk_res.desc, + IORESOURCE_SYSTEM_RAM | IORESOURCE_BUSY, + crashk_res.start, crashk_res.end, kbuf, + locate_mem_hole_callback); else ret = walk_system_ram_res(0, -1, kbuf, locate_mem_hole_callback); -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. 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