linux-s390.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: David Hildenbrand <david@redhat.com>
To: linux-kernel@vger.kernel.org
Cc: linux-mm@kvack.org, linux-s390@vger.kernel.org,
	virtualization@lists.linux.dev, kvm@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, kexec@lists.infradead.org,
	"David Hildenbrand" <david@redhat.com>,
	"Heiko Carstens" <hca@linux.ibm.com>,
	"Vasily Gorbik" <gor@linux.ibm.com>,
	"Alexander Gordeev" <agordeev@linux.ibm.com>,
	"Christian Borntraeger" <borntraeger@linux.ibm.com>,
	"Sven Schnelle" <svens@linux.ibm.com>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	"Jason Wang" <jasowang@redhat.com>,
	"Xuan Zhuo" <xuanzhuo@linux.alibaba.com>,
	"Eugenio Pérez" <eperezma@redhat.com>,
	"Baoquan He" <bhe@redhat.com>, "Vivek Goyal" <vgoyal@redhat.com>,
	"Dave Young" <dyoung@redhat.com>,
	"Thomas Huth" <thuth@redhat.com>,
	"Cornelia Huck" <cohuck@redhat.com>,
	"Janosch Frank" <frankja@linux.ibm.com>,
	"Claudio Imbrenda" <imbrenda@linux.ibm.com>,
	"Eric Farman" <farman@linux.ibm.com>,
	"Andrew Morton" <akpm@linux-foundation.org>
Subject: [PATCH v1 02/11] fs/proc/vmcore: replace vmcoredd_mutex by vmcore_mutex
Date: Fri, 25 Oct 2024 17:11:24 +0200	[thread overview]
Message-ID: <20241025151134.1275575-3-david@redhat.com> (raw)
In-Reply-To: <20241025151134.1275575-1-david@redhat.com>

Let's use our new mutex instead.

Signed-off-by: David Hildenbrand <david@redhat.com>
---
 fs/proc/vmcore.c | 17 ++++++++---------
 1 file changed, 8 insertions(+), 9 deletions(-)

diff --git a/fs/proc/vmcore.c b/fs/proc/vmcore.c
index 110ce193d20f..b91c304463c9 100644
--- a/fs/proc/vmcore.c
+++ b/fs/proc/vmcore.c
@@ -53,7 +53,6 @@ static struct proc_dir_entry *proc_vmcore;
 #ifdef CONFIG_PROC_VMCORE_DEVICE_DUMP
 /* Device Dump list and mutex to synchronize access to list */
 static LIST_HEAD(vmcoredd_list);
-static DEFINE_MUTEX(vmcoredd_mutex);
 
 static bool vmcoredd_disabled;
 core_param(novmcoredd, vmcoredd_disabled, bool, 0);
@@ -248,7 +247,7 @@ static int vmcoredd_copy_dumps(struct iov_iter *iter, u64 start, size_t size)
 	size_t tsz;
 	char *buf;
 
-	mutex_lock(&vmcoredd_mutex);
+	mutex_lock(&vmcore_mutex);
 	list_for_each_entry(dump, &vmcoredd_list, list) {
 		if (start < offset + dump->size) {
 			tsz = min(offset + (u64)dump->size - start, (u64)size);
@@ -269,7 +268,7 @@ static int vmcoredd_copy_dumps(struct iov_iter *iter, u64 start, size_t size)
 	}
 
 out_unlock:
-	mutex_unlock(&vmcoredd_mutex);
+	mutex_unlock(&vmcore_mutex);
 	return ret;
 }
 
@@ -283,7 +282,7 @@ static int vmcoredd_mmap_dumps(struct vm_area_struct *vma, unsigned long dst,
 	size_t tsz;
 	char *buf;
 
-	mutex_lock(&vmcoredd_mutex);
+	mutex_lock(&vmcore_mutex);
 	list_for_each_entry(dump, &vmcoredd_list, list) {
 		if (start < offset + dump->size) {
 			tsz = min(offset + (u64)dump->size - start, (u64)size);
@@ -306,7 +305,7 @@ static int vmcoredd_mmap_dumps(struct vm_area_struct *vma, unsigned long dst,
 	}
 
 out_unlock:
-	mutex_unlock(&vmcoredd_mutex);
+	mutex_unlock(&vmcore_mutex);
 	return ret;
 }
 #endif /* CONFIG_MMU */
@@ -1517,9 +1516,9 @@ int vmcore_add_device_dump(struct vmcoredd_data *data)
 	dump->size = data_size;
 
 	/* Add the dump to driver sysfs list */
-	mutex_lock(&vmcoredd_mutex);
+	mutex_lock(&vmcore_mutex);
 	list_add_tail(&dump->list, &vmcoredd_list);
-	mutex_unlock(&vmcoredd_mutex);
+	mutex_unlock(&vmcore_mutex);
 
 	vmcoredd_update_size(data_size);
 	return 0;
@@ -1537,7 +1536,7 @@ EXPORT_SYMBOL(vmcore_add_device_dump);
 static void vmcore_free_device_dumps(void)
 {
 #ifdef CONFIG_PROC_VMCORE_DEVICE_DUMP
-	mutex_lock(&vmcoredd_mutex);
+	mutex_lock(&vmcore_mutex);
 	while (!list_empty(&vmcoredd_list)) {
 		struct vmcoredd_node *dump;
 
@@ -1547,7 +1546,7 @@ static void vmcore_free_device_dumps(void)
 		vfree(dump->buf);
 		vfree(dump);
 	}
-	mutex_unlock(&vmcoredd_mutex);
+	mutex_unlock(&vmcore_mutex);
 #endif /* CONFIG_PROC_VMCORE_DEVICE_DUMP */
 }
 
-- 
2.46.1


  parent reply	other threads:[~2024-10-25 15:12 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-10-25 15:11 [PATCH v1 00/11] fs/proc/vmcore: kdump support for virtio-mem on s390 David Hildenbrand
2024-10-25 15:11 ` [PATCH v1 01/11] fs/proc/vmcore: convert vmcore_cb_lock into vmcore_mutex David Hildenbrand
2024-11-15  9:30   ` Baoquan He
2024-11-15 10:03     ` David Hildenbrand
2024-11-20  8:16       ` Baoquan He
2024-11-20  8:56         ` David Hildenbrand
2024-10-25 15:11 ` David Hildenbrand [this message]
2024-11-15  9:32   ` [PATCH v1 02/11] fs/proc/vmcore: replace vmcoredd_mutex by vmcore_mutex Baoquan He
2024-11-15 10:04     ` David Hildenbrand
2024-11-20  8:14       ` Baoquan He
2024-10-25 15:11 ` [PATCH v1 03/11] fs/proc/vmcore: disallow vmcore modifications after the vmcore was opened David Hildenbrand
2024-11-22  9:16   ` Baoquan He
2024-11-22  9:30     ` David Hildenbrand
2024-11-25 14:41       ` Baoquan He
2024-11-29 10:38         ` David Hildenbrand
2024-12-03 10:42           ` Baoquan He
2024-12-03 10:51             ` David Hildenbrand
2024-10-25 15:11 ` [PATCH v1 04/11] fs/proc/vmcore: move vmcore definitions from kcore.h to crash_dump.h David Hildenbrand
2024-11-15  9:44   ` Baoquan He
2024-11-15  9:59     ` David Hildenbrand
2024-11-20  9:42       ` Baoquan He
2024-11-20 10:28         ` David Hildenbrand
2024-11-21  4:35           ` Baoquan He
2024-11-21 15:37             ` David Hildenbrand
2024-10-25 15:11 ` [PATCH v1 05/11] fs/proc/vmcore: factor out allocating a vmcore memory node David Hildenbrand
2024-11-20  9:45   ` Baoquan He
2024-10-25 15:11 ` [PATCH v1 06/11] fs/proc/vmcore: factor out freeing a list of vmcore ranges David Hildenbrand
2024-11-20  9:46   ` Baoquan He
2024-10-25 15:11 ` [PATCH v1 07/11] fs/proc/vmcore: introduce PROC_VMCORE_DEVICE_RAM to detect device RAM ranges in 2nd kernel David Hildenbrand
2024-11-20 10:13   ` Baoquan He
2024-11-20 10:48     ` David Hildenbrand
2024-11-20 14:05       ` Baoquan He
2024-11-20 14:39         ` David Hildenbrand
2024-11-21  4:30           ` Baoquan He
2024-11-21 19:47             ` David Hildenbrand
2024-11-22  7:51               ` Baoquan He
2024-11-22  7:31   ` Baoquan He
2024-11-22  9:47     ` David Hildenbrand
2024-10-25 15:11 ` [PATCH v1 08/11] virtio-mem: mark device ready before registering callbacks in kdump mode David Hildenbrand
2024-10-25 15:11 ` [PATCH v1 09/11] virtio-mem: remember usable region size David Hildenbrand
2024-10-25 15:11 ` [PATCH v1 10/11] virtio-mem: support CONFIG_PROC_VMCORE_DEVICE_RAM David Hildenbrand
2024-10-25 15:11 ` [PATCH v1 11/11] s390/kdump: virtio-mem kdump support (CONFIG_PROC_VMCORE_DEVICE_RAM) David Hildenbrand
2024-11-04  6:21 ` [PATCH v1 00/11] fs/proc/vmcore: kdump support for virtio-mem on s390 Baoquan He
2024-11-15  8:46 ` Baoquan He
2024-11-15  8:55   ` David Hildenbrand
2024-11-15  9:48     ` Baoquan He

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20241025151134.1275575-3-david@redhat.com \
    --to=david@redhat.com \
    --cc=agordeev@linux.ibm.com \
    --cc=akpm@linux-foundation.org \
    --cc=bhe@redhat.com \
    --cc=borntraeger@linux.ibm.com \
    --cc=cohuck@redhat.com \
    --cc=dyoung@redhat.com \
    --cc=eperezma@redhat.com \
    --cc=farman@linux.ibm.com \
    --cc=frankja@linux.ibm.com \
    --cc=gor@linux.ibm.com \
    --cc=hca@linux.ibm.com \
    --cc=imbrenda@linux.ibm.com \
    --cc=jasowang@redhat.com \
    --cc=kexec@lists.infradead.org \
    --cc=kvm@vger.kernel.org \
    --cc=linux-fsdevel@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=linux-mm@kvack.org \
    --cc=linux-s390@vger.kernel.org \
    --cc=mst@redhat.com \
    --cc=svens@linux.ibm.com \
    --cc=thuth@redhat.com \
    --cc=vgoyal@redhat.com \
    --cc=virtualization@lists.linux.dev \
    --cc=xuanzhuo@linux.alibaba.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).