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Halil Pasic 1a2dcff881 s390/dma: provide proper ARCH_ZONE_DMA_BITS value 
On s390 ZONE_DMA is up to 2G, i.e. ARCH_ZONE_DMA_BITS should be 31 bits.
The current value is 24 and makes __dma_direct_alloc_pages() take a
wrong turn first (but __dma_direct_alloc_pages() recovers then).

Let's correct ARCH_ZONE_DMA_BITS value and avoid wrong turns.

Signed-off-by: Halil Pasic <pasic@linux.ibm.com>
Reported-by: Petr Tesarik <ptesarik@suse.cz>
Fixes: c61e9637340e ("dma-direct: add support for allocation from ZONE_DMA and ZONE_DMA32")
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
2019-07-26 13:36:12 +02:00
..
appldata
proc/sysctl: add shared variables for range check
2019-07-18 17:08:07 -07:00
boot
s390: enable detection of kernel version from bzImage
2019-07-23 10:43:50 +02:00
configs
Kbuild updates for v5.3
2019-07-12 16:03:16 -07:00
crypto
s390/crypto: sha: Use -ENODEV instead of -EOPNOTSUPP
2019-06-15 12:24:48 +02:00
hypfs
s390/hypfs: fix a typo in the name of a function
2019-07-23 10:45:32 +02:00
include
s390/dma: provide proper ARCH_ZONE_DMA_BITS value
2019-07-26 13:36:12 +02:00
kernel
s390: wire up clone3 system call
2019-07-23 10:45:53 +02:00
kvm
KVM: s390: Use kvm_vcpu_wake_up in kvm_s390_vcpu_wakeup
2019-07-20 09:00:45 +02:00
lib
s390: enforce CONFIG_SMP
2019-06-07 10:09:37 +02:00
mm
dma-mapping fixes for 5.3-rc1
2019-07-20 12:09:52 -07:00
net
s390: bpf: eliminate zero extension code-gen
2019-05-24 18:58:38 -07:00
numa
treewide: add checks for the return value of memblock_alloc*()
2019-03-12 10:04:02 -07:00
oprofile
s390/unwind: introduce stack unwind API
2019-05-02 13:54:11 +02:00
pci
s390 updates for the 5.3 merge window #2
2019-07-12 15:39:22 -07:00
purgatory
s390/purgatory: update .gitignore
2019-06-04 15:03:42 +02:00
scripts
s390: make chkbss work with clang
2019-04-11 13:36:52 +02:00
tools
s390/disassembler: update opcode table
2019-06-04 15:03:58 +02:00
Kbuild
s390/kexec_file: Add purgatory
2018-04-16 09:10:22 +02:00
Kconfig
dma-direct: Force unencrypted DMA under SME for certain DMA masks
2019-07-16 22:15:46 +02:00
Kconfig.debug
Kconfig: consolidate the "Kernel hacking" menu
2018-08-02 08:06:48 +09:00
Makefile
Kconfig updates for v5.3
2019-07-12 16:06:27 -07:00