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| author | Michael Holzheu <holzheu@linux.vnet.ibm.com> | 2013-10-11 10:29:23 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2013-10-24 17:17:04 +0200 |
| commit | 5895294274bee046bcfdbb72f8998e2b14e26426 (patch) | |
| tree | 0bb6d75ac4ebe0a661cb5d5bc6d206a9782e2edd /arch/s390/kernel/smp.c | |
| parent | s390/ftrace: prepare_ftrace_return() function call order (diff) | |
| download | linux-5895294274bee046bcfdbb72f8998e2b14e26426.tar.xz linux-5895294274bee046bcfdbb72f8998e2b14e26426.zip | |
s390: Remove zfcpdump NR_CPUS dependency
Currently zfpcdump can only collect registers for up to CONFIG_NR_CPUS
CPUss. This dependency is not necessary. So remove it by dynamically
allocating the save area array.
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'arch/s390/kernel/smp.c')
| -rw-r--r-- | arch/s390/kernel/smp.c | 11 |
1 files changed, 1 insertions, 10 deletions
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c index cca6cf6abacc..739313db71e5 100644 --- a/arch/s390/kernel/smp.c +++ b/arch/s390/kernel/smp.c @@ -533,9 +533,6 @@ EXPORT_SYMBOL(smp_ctl_clear_bit); #if defined(CONFIG_ZFCPDUMP) || defined(CONFIG_CRASH_DUMP) -struct save_area *zfcpdump_save_areas[NR_CPUS + 1]; -EXPORT_SYMBOL_GPL(zfcpdump_save_areas); - static void __init smp_get_save_area(int cpu, u16 address) { void *lc = pcpu_devices[0].lowcore; @@ -546,15 +543,9 @@ static void __init smp_get_save_area(int cpu, u16 address) if (!OLDMEM_BASE && (address == boot_cpu_address || ipl_info.type != IPL_TYPE_FCP_DUMP)) return; - if (cpu >= NR_CPUS) { - pr_warning("CPU %i exceeds the maximum %i and is excluded " - "from the dump\n", cpu, NR_CPUS - 1); - return; - } - save_area = kmalloc(sizeof(struct save_area), GFP_KERNEL); + save_area = dump_save_area_create(cpu); if (!save_area) panic("could not allocate memory for save area\n"); - zfcpdump_save_areas[cpu] = save_area; #ifdef CONFIG_CRASH_DUMP if (address == boot_cpu_address) { /* Copy the registers of the boot cpu. */ |