summaryrefslogtreecommitdiffstats
path: root/arch/s390
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2014-04-08 01:38:06 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2014-04-08 01:38:06 +0200
commit26c12d93348f0bda0756aff83f4867d9ae58a5a6 (patch)
tree65221f6837c66a9260c5c973e5fb908b10e0d504 /arch/s390
parentMerge branch 'for-3.15-fixes' of git://git.kernel.org/pub/scm/linux/kernel/gi... (diff)
parentMAINTAINERS: update Intel C600 SAS driver maintainers (diff)
downloadlinux-26c12d93348f0bda0756aff83f4867d9ae58a5a6.tar.xz
linux-26c12d93348f0bda0756aff83f4867d9ae58a5a6.zip
Merge branch 'akpm' (incoming from Andrew)
Merge second patch-bomb from Andrew Morton: - the rest of MM - zram updates - zswap updates - exit - procfs - exec - wait - crash dump - lib/idr - rapidio - adfs, affs, bfs, ufs - cris - Kconfig things - initramfs - small amount of IPC material - percpu enhancements - early ioremap support - various other misc things * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (156 commits) MAINTAINERS: update Intel C600 SAS driver maintainers fs/ufs: remove unused ufs_super_block_third pointer fs/ufs: remove unused ufs_super_block_second pointer fs/ufs: remove unused ufs_super_block_first pointer fs/ufs/super.c: add __init to init_inodecache() doc/kernel-parameters.txt: add early_ioremap_debug arm64: add early_ioremap support arm64: initialize pgprot info earlier in boot x86: use generic early_ioremap mm: create generic early_ioremap() support x86/mm: sparse warning fix for early_memremap lglock: map to spinlock when !CONFIG_SMP percpu: add preemption checks to __this_cpu ops vmstat: use raw_cpu_ops to avoid false positives on preemption checks slub: use raw_cpu_inc for incrementing statistics net: replace __this_cpu_inc in route.c with raw_cpu_inc modules: use raw_cpu_write for initialization of per cpu refcount. mm: use raw_cpu ops for determining current NUMA node percpu: add raw_cpu_ops slub: fix leak of 'name' in sysfs_slab_add ...
Diffstat (limited to 'arch/s390')
-rw-r--r--arch/s390/Kconfig2
-rw-r--r--arch/s390/mm/pgtable.c3
2 files changed, 4 insertions, 1 deletions
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index 953f17c8d17c..346d21678ffd 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -52,7 +52,7 @@ config KEXEC
config AUDIT_ARCH
def_bool y
-config NO_IOPORT
+config NO_IOPORT_MAP
def_bool y
config PCI_QUIRKS
diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c
index 796c9320c709..5d8324cd866b 100644
--- a/arch/s390/mm/pgtable.c
+++ b/arch/s390/mm/pgtable.c
@@ -505,6 +505,9 @@ static int gmap_connect_pgtable(unsigned long address, unsigned long segment,
if (!pmd_present(*pmd) &&
__pte_alloc(mm, vma, pmd, vmaddr))
return -ENOMEM;
+ /* large pmds cannot yet be handled */
+ if (pmd_large(*pmd))
+ return -EFAULT;
/* pmd now points to a valid segment table entry. */
rmap = kmalloc(sizeof(*rmap), GFP_KERNEL|__GFP_REPEAT);
if (!rmap)