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authorMichael Holzheu <holzheu@linux.vnet.ibm.com>2013-09-12 01:24:54 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2013-09-12 02:59:15 +0400
commit6f79d33228fa7cf900826738a39f287cae96cd91 (patch)
tree219851a19eb86c91c77241cb00b3889719fdab23 /arch/s390/Kconfig
parent11e376a3f9ffa85bf444b65df5326612b083c501 (diff)
downloadlinux-6f79d33228fa7cf900826738a39f287cae96cd91.tar.xz
s390/vmcore: use vmcore for zfcpdump
Modify the s390 copy_oldmem_page() and remap_oldmem_pfn_range() function for zfcpdump to read from the HSA memory if memory below HSA_SIZE bytes is requested. Otherwise real memory is used. Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com> Cc: HATAYAMA Daisuke <d.hatayama@jp.fujitsu.com> Cc: Jan Willeke <willeke@de.ibm.com> Cc: Vivek Goyal <vgoyal@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/s390/Kconfig')
-rw-r--r--arch/s390/Kconfig3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index fb2723e8ba65..3ec272859e1e 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -526,6 +526,7 @@ config CRASH_DUMP
bool "kernel crash dumps"
depends on 64BIT && SMP
select KEXEC
+ select ZFCPDUMP
help
Generate crash dump after being started by kexec.
Crash dump kernels are loaded in the main kernel with kexec-tools
@@ -536,7 +537,7 @@ config CRASH_DUMP
config ZFCPDUMP
def_bool n
prompt "zfcpdump support"
- select SMP
+ depends on SMP
help
Select this option if you want to build an zfcpdump enabled kernel.
Refer to <file:Documentation/s390/zfcpdump.txt> for more details on this.