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author | Michael Holzheu <holzheu@linux.vnet.ibm.com> | 2011-11-14 11:19:05 +0100 |
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committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2011-11-14 11:19:09 +0100 |
commit | 3f25dc4fcbc371f86a61a6af759003ebd4965908 (patch) | |
tree | 1fa13e1a9d02b732be71c445963edf9b78a0829f | |
parent | bc615deaf35ab06e7fe5672b0efb3c7a0b2dcf1a (diff) | |
download | op-kernel-dev-3f25dc4fcbc371f86a61a6af759003ebd4965908.zip op-kernel-dev-3f25dc4fcbc371f86a61a6af759003ebd4965908.tar.gz |
[S390] zfcpdump: Do not initialize zfcpdump in kdump mode
When the kernel is started in kdump mode, zfcpdump should not be
initialized because both dump methods can't be used at the same time.
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
-rw-r--r-- | arch/s390/kernel/setup.c | 4 | ||||
-rw-r--r-- | drivers/s390/char/zcore.c | 2 |
2 files changed, 5 insertions, 1 deletions
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c index 8ac6bfa..e58a462 100644 --- a/arch/s390/kernel/setup.c +++ b/arch/s390/kernel/setup.c @@ -211,6 +211,8 @@ static void __init setup_zfcpdump(unsigned int console_devno) if (ipl_info.type != IPL_TYPE_FCP_DUMP) return; + if (OLDMEM_BASE) + return; if (console_devno != -1) sprintf(str, " cio_ignore=all,!0.0.%04x,!0.0.%04x", ipl_info.data.fcp.dev_id.devno, console_devno); @@ -482,7 +484,7 @@ static void __init setup_memory_end(void) #ifdef CONFIG_ZFCPDUMP - if (ipl_info.type == IPL_TYPE_FCP_DUMP) { + if (ipl_info.type == IPL_TYPE_FCP_DUMP && !OLDMEM_BASE) { memory_end = ZFCPDUMP_HSA_SIZE; memory_end_set = 1; } diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c index 43068fb..1b6d924 100644 --- a/drivers/s390/char/zcore.c +++ b/drivers/s390/char/zcore.c @@ -641,6 +641,8 @@ static int __init zcore_init(void) if (ipl_info.type != IPL_TYPE_FCP_DUMP) return -ENODATA; + if (OLDMEM_BASE) + return -ENODATA; zcore_dbf = debug_register("zcore", 4, 1, 4 * sizeof(long)); debug_register_view(zcore_dbf, &debug_sprintf_view); |