From: Michael Holzheu <holzheu@linux.vnet.ibm.com>
To: vgoyal@redhat.com
Cc: oomichi@mxs.nes.nec.co.jp, linux-s390@vger.kernel.org,
mahesh@linux.vnet.ibm.com, heiko.carstens@de.ibm.com,
linux-kernel@vger.kernel.org, hbabu@us.ibm.com,
horms@verge.net.au, ebiederm@xmission.com,
schwidefsky@de.ibm.com, kexec@lists.infradead.org
Subject: [patch 1/3] kdump: Add new machine_kexec_finish() architecture callback
Date: Fri, 29 Jul 2011 14:39:45 +0200 [thread overview]
Message-ID: <20110729124000.481435260@linux.vnet.ibm.com> (raw)
In-Reply-To: 20110729123944.562622201@linux.vnet.ibm.com
[-- Attachment #1: s390-kdump-common-kexec_finish.patch --]
[-- Type: text/plain, Size: 1568 bytes --]
From: Michael Holzheu <holzheu@linux.vnet.ibm.com>
In order to be able to set the "kdump active" flag on s390, this patch adds
the new kexec architecture callback "machine_kexec_finish()".
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
---
include/linux/kexec.h | 1 +
kernel/kexec.c | 8 ++++++++
2 files changed, 9 insertions(+)
--- a/include/linux/kexec.h
+++ b/include/linux/kexec.h
@@ -115,6 +115,7 @@ struct kimage {
/* kexec interface functions */
extern void machine_kexec(struct kimage *image);
extern int machine_kexec_prepare(struct kimage *image);
+extern void machine_kexec_finish(struct kimage *image, int flags);
extern void machine_kexec_cleanup(struct kimage *image);
extern asmlinkage long sys_kexec_load(unsigned long entry,
unsigned long nr_segments,
--- a/kernel/kexec.c
+++ b/kernel/kexec.c
@@ -1017,6 +1017,7 @@ SYSCALL_DEFINE4(kexec_load, unsigned lon
kimage_terminate(image);
}
/* Install the new kernel, and Uninstall the old */
+ machine_kexec_finish(image, flags);
image = xchg(dest_image, image);
out:
@@ -1026,6 +1027,13 @@ out:
return result;
}
+/*
+ * provide an empty default implementation here -- architecture
+ * code may override this
+ */
+void __weak machine_kexec_finish(struct kimage *image, int flags)
+{}
+
#ifdef CONFIG_COMPAT
asmlinkage long compat_sys_kexec_load(unsigned long entry,
unsigned long nr_segments,
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kexec@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/kexec
WARNING: multiple messages have this Message-ID (diff)
From: Michael Holzheu <holzheu@linux.vnet.ibm.com>
To: vgoyal@redhat.com
Cc: ebiederm@xmission.com, mahesh@linux.vnet.ibm.com,
hbabu@us.ibm.com, oomichi@mxs.nes.nec.co.jp, horms@verge.net.au,
schwidefsky@de.ibm.com, heiko.carstens@de.ibm.com,
kexec@lists.infradead.org, linux-kernel@vger.kernel.org,
linux-s390@vger.kernel.org
Subject: [patch 1/3] kdump: Add new machine_kexec_finish() architecture callback
Date: Fri, 29 Jul 2011 14:39:45 +0200 [thread overview]
Message-ID: <20110729124000.481435260@linux.vnet.ibm.com> (raw)
In-Reply-To: 20110729123944.562622201@linux.vnet.ibm.com
[-- Attachment #1: s390-kdump-common-kexec_finish.patch --]
[-- Type: text/plain, Size: 1423 bytes --]
From: Michael Holzheu <holzheu@linux.vnet.ibm.com>
In order to be able to set the "kdump active" flag on s390, this patch adds
the new kexec architecture callback "machine_kexec_finish()".
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
---
include/linux/kexec.h | 1 +
kernel/kexec.c | 8 ++++++++
2 files changed, 9 insertions(+)
--- a/include/linux/kexec.h
+++ b/include/linux/kexec.h
@@ -115,6 +115,7 @@ struct kimage {
/* kexec interface functions */
extern void machine_kexec(struct kimage *image);
extern int machine_kexec_prepare(struct kimage *image);
+extern void machine_kexec_finish(struct kimage *image, int flags);
extern void machine_kexec_cleanup(struct kimage *image);
extern asmlinkage long sys_kexec_load(unsigned long entry,
unsigned long nr_segments,
--- a/kernel/kexec.c
+++ b/kernel/kexec.c
@@ -1017,6 +1017,7 @@ SYSCALL_DEFINE4(kexec_load, unsigned lon
kimage_terminate(image);
}
/* Install the new kernel, and Uninstall the old */
+ machine_kexec_finish(image, flags);
image = xchg(dest_image, image);
out:
@@ -1026,6 +1027,13 @@ out:
return result;
}
+/*
+ * provide an empty default implementation here -- architecture
+ * code may override this
+ */
+void __weak machine_kexec_finish(struct kimage *image, int flags)
+{}
+
#ifdef CONFIG_COMPAT
asmlinkage long compat_sys_kexec_load(unsigned long entry,
unsigned long nr_segments,
next prev parent reply other threads:[~2011-07-29 12:40 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-29 12:39 [patch 0/3] kdump: Add external kdump entry point for s390 stand-alone dump tools Michael Holzheu
2011-07-29 12:39 ` Michael Holzheu
2011-07-29 12:39 ` Michael Holzheu [this message]
2011-07-29 12:39 ` [patch 1/3] kdump: Add new machine_kexec_finish() architecture callback Michael Holzheu
2011-07-29 12:39 ` [patch 2/3] s390: Add external kdump entry point for s390 stand-alone dump tools Michael Holzheu
2011-07-29 12:39 ` Michael Holzheu
2011-07-29 12:39 ` [patch 3/3] kexec-tools: Emit program check on s390 for checksum failure Michael Holzheu
2011-07-29 12:39 ` Michael Holzheu
2011-08-19 1:14 ` [patch 0/3] kdump: Add external kdump entry point for s390 stand-alone dump tools Simon Horman
2011-08-19 1:14 ` Simon Horman
2011-08-19 12:53 ` Michael Holzheu
2011-08-19 12:53 ` Michael Holzheu
2011-08-19 12:53 ` Michael Holzheu
2011-08-19 13:20 ` Vivek Goyal
2011-08-19 13:20 ` Vivek Goyal
2011-08-19 13:36 ` Michael Holzheu
2011-08-19 13:36 ` Michael Holzheu
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