From 3f25dc4fcbc371f86a61a6af759003ebd4965908 Mon Sep 17 00:00:00 2001 From: Michael Holzheu Date: Mon, 14 Nov 2011 11:19:05 +0100 Subject: [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 Signed-off-by: Martin Schwidefsky 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); -- cgit v0.10.2