From: Li Zhijian <lizhijian@fujitsu.com>
To: x86@kernel.org, nvdimm@lists.linux.dev, kexec@lists.infradead.org
Cc: linux-kernel@vger.kernel.org, y-goto@fujitsu.com,
yangx.jy@fujitsu.com, ruansy.fnst@fujitsu.com,
Li Zhijian <lizhijian@fujitsu.com>,
Dan Williams <dan.j.williams@intel.com>,
Vishal Verma <vishal.l.verma@intel.com>,
Dave Jiang <dave.jiang@intel.com>,
Ira Weiny <ira.weiny@intel.com>
Subject: [RFC PATCH v2 2/3] drivers/nvdimm: export memmap of namespace to vmcoreinfo
Date: Thu, 27 Apr 2023 18:18:33 +0800 [thread overview]
Message-ID: <20230427101838.12267-3-lizhijian@fujitsu.com> (raw)
In-Reply-To: <20230427101838.12267-1-lizhijian@fujitsu.com>
Each namespace has its own memmap, it will be udpated when
namespace initializing/creating, updating, and deleting.
CC: Dan Williams <dan.j.williams@intel.com>
CC: Vishal Verma <vishal.l.verma@intel.com>
CC: Dave Jiang <dave.jiang@intel.com>
CC: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Li Zhijian <lizhijian@fujitsu.com>
---
drivers/nvdimm/namespace_devs.c | 2 ++
drivers/nvdimm/pfn_devs.c | 3 +++
2 files changed, 5 insertions(+)
diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c
index c60ec0b373c5..096203e6203f 100644
--- a/drivers/nvdimm/namespace_devs.c
+++ b/drivers/nvdimm/namespace_devs.c
@@ -8,6 +8,7 @@
#include <linux/slab.h>
#include <linux/list.h>
#include <linux/nd.h>
+#include <linux/crash_core.h>
#include "nd-core.h"
#include "pmem.h"
#include "pfn.h"
@@ -853,6 +854,7 @@ static ssize_t size_store(struct device *dev,
if (rc == 0 && val == 0 && is_namespace_pmem(dev)) {
struct nd_namespace_pmem *nspm = to_nd_namespace_pmem(dev);
+ devm_memmap_vmcore_delete(to_ndns(dev));
kfree(nspm->uuid);
nspm->uuid = NULL;
}
diff --git a/drivers/nvdimm/pfn_devs.c b/drivers/nvdimm/pfn_devs.c
index af7d9301520c..80076996b2da 100644
--- a/drivers/nvdimm/pfn_devs.c
+++ b/drivers/nvdimm/pfn_devs.c
@@ -9,6 +9,7 @@
#include <linux/slab.h>
#include <linux/fs.h>
#include <linux/mm.h>
+#include <linux/crash_core.h>
#include "nd-core.h"
#include "pfn.h"
#include "nd.h"
@@ -716,6 +717,8 @@ static int __nvdimm_setup_pfn(struct nd_pfn *nd_pfn, struct dev_pagemap *pgmap)
} else
return -ENXIO;
+ devm_memmap_vmcore_update(ndns, altmap->base_pfn, PHYS_PFN(offset),
+ nd_pfn->mode == PFN_MODE_PMEM);
return 0;
}
--
2.29.2
next prev parent reply other threads:[~2023-04-27 10:20 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-27 10:18 [RFC PATCH v2 0/3] pmem memmap dump support Li Zhijian
2023-04-27 10:18 ` [RFC PATCH v2 1/3] crash: export dev memmap header to vmcoreinfo Li Zhijian
2023-04-27 10:18 ` Li Zhijian [this message]
2023-04-27 22:50 ` [RFC PATCH v2 2/3] drivers/nvdimm: export memmap of namespace " Ira Weiny
2023-04-28 7:01 ` Zhijian Li (Fujitsu)
2023-04-27 10:18 ` [RFC PATCH v2 3/3] resource, crash: Make kexec_file_load support pmem Li Zhijian
2023-04-27 11:39 ` Greg Kroah-Hartman
2023-04-28 7:36 ` Zhijian Li (Fujitsu)
2023-04-27 20:41 ` Jane Chu
2023-04-28 7:10 ` Zhijian Li (Fujitsu)
2023-04-27 10:18 ` [RFC PATCH v2 kexec-tools] kexec: Add and mark pmem region into PT_LOADs Li Zhijian
2023-04-27 10:18 ` [RFC PATCH v2 makedumpfile 1/3] elf_info.c: Introduce is_pmem_pt_load_range Li Zhijian
2023-04-27 10:18 ` [RFC PATCH v2 makedumpfile 2/3] makedumpfile.c: Exclude all pmem pages Li Zhijian
2023-04-27 10:18 ` [RFC PATCH v2 makedumpfile 3/3] makedumpfile.c: Allow excluding metadata of pmem region Li Zhijian
2023-04-28 18:59 ` [RFC PATCH v2 0/3] pmem memmap dump support Dan Williams
2023-05-08 9:45 ` Zhijian Li (Fujitsu)
2023-05-10 10:41 ` Zhijian Li (Fujitsu)
2023-05-25 5:36 ` Li, Zhijian
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