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da8fd820f3
linux/arch/s390/kernel
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Heiko Carstens da8fd820f3 s390: make setup_randomness work 
Commit bcfcbb6bae ("s390: add system information as device
randomness") intended to add some virtual machine specific information
to the randomness pool.

Unfortunately it uses the page allocator before it is ready to use. In
result the page allocator always returns NULL and the setup_randomness
function never adds anything to the randomness pool.

To fix this use memblock_alloc and memblock_free instead.

Fixes: bcfcbb6bae ("s390: add system information as device randomness")
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2017-02-07 07:27:10 +01:00
..
vdso32 s390/time: steer clocksource on STP sync events 2016-10-28 10:09:02 +02:00
vdso64 s390/time: steer clocksource on STP sync events 2016-10-28 10:09:02 +02:00
.gitignore
als.c s390/als: print missing facilities on facility mismatch 2016-07-31 05:27:59 -04:00
asm-offsets.c s390: move sys_call_table and last_break from thread_info to thread_struct 2016-11-15 16:48:20 +01:00
audit.c
audit.h
base.S s390/kdump: fix nosmt kernel parameter 2015-06-25 09:39:26 +02:00
cache.c s390/cpuinfo: show dynamic and static cpu mhz 2016-06-13 15:58:17 +02:00
compat_audit.c
compat_linux.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
compat_linux.h s390: add support for vector extension 2014-10-09 09:14:13 +02:00
compat_ptrace.h
compat_signal.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
compat_wrapper.c s390: wire up copy_file_range syscall 2016-01-19 12:14:02 +01:00
cpcmd.c s390: Use pr_warn instead of pr_warning 2016-03-07 13:12:04 +01:00
crash_dump.c s390/crashdump: use list_first_entry_or_null 2016-09-20 14:26:04 +02:00
debug.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
diag.c - ARM: GICv3 ITS emulation and various fixes. Removal of the old 2016-08-02 16:11:27 -04:00
dis.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
dumpstack.c s390/dumpstack: use pr_cont within show_stack and die 2016-10-24 10:26:14 +02:00
early_printk.c s390: provide sclp based boot console 2017-01-16 07:27:55 +01:00
early.c s390/topology: make "topology=off" parameter work 2017-01-16 07:27:54 +01:00
ebcdic.c
entry.h s390/als: convert architecture level set code to C 2016-07-31 05:27:58 -04:00
entry.S s390: store breaking event address only for program checks 2017-01-31 10:46:53 +01:00
fpu.c s390/fpu: improve kernel_fpu_[begin|end] 2016-08-29 11:05:01 +02:00
ftrace.c ftrace: Add return address pointer to ftrace_ret_stack 2016-08-24 12:15:14 +02:00
head64.S s390/thread_info: get rid of THREAD_ORDER define 2016-11-23 16:02:21 +01:00
head_kdump.S s390: remove 31 bit support 2015-03-25 11:49:33 +01:00
head.S s390/thread_info: get rid of THREAD_ORDER define 2016-11-23 16:02:21 +01:00
idle.c s390/idle: convert open coded idle time seqcount 2014-12-08 09:42:32 +01:00
ipl.c s390: proper type casts for csum_partial invocations 2017-01-16 07:27:53 +01:00
irq.c s390/thread_info: get rid of THREAD_ORDER define 2016-11-23 16:02:21 +01:00
jump_label.c Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-09-03 15:46:07 -07:00
kprobes.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
lgr.c s390: kernel: make lgr explicitly non-modular 2016-10-31 17:55:42 +01:00
machine_kexec.c s390/kexec: fix crash on resize of reserved memory 2016-06-13 15:58:19 +02:00
Makefile s390: provide sclp based boot console 2017-01-16 07:27:55 +01:00
mcount.S s390: move exports to definitions 2016-08-07 23:47:20 -04:00
module.c module: s390: keep mod_arch_specific for livepatch modules 2016-04-01 15:00:11 +02:00
nmi.c s390/nmi: fix inline assembly constraints 2016-12-14 16:33:41 +01:00
os_info.c s390: proper type casts for csum_partial invocations 2017-01-16 07:27:53 +01:00
perf_cpum_cf_events.c s390: remove couple of unneeded semicolons 2017-01-16 07:27:54 +01:00
perf_cpum_cf.c cpu/hotplug: Cleanup state names 2016-12-25 10:47:44 +01:00
perf_cpum_sf.c cpu/hotplug: Cleanup state names 2016-12-25 10:47:44 +01:00
perf_event.c s390/dumpstack: restore reliable indicator for call traces 2016-10-17 14:44:30 +02:00
pgm_check.S s390: remove 31 bit support 2015-03-25 11:49:33 +01:00
process.c s390: move cputime accounting fields from thread_info to thread_struct 2016-11-11 16:37:43 +01:00
processor.c s390: use false/true when using bool 2017-01-16 07:27:54 +01:00
ptrace.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
reipl.S s390/dump: rework CPU register dump code 2015-11-27 09:24:14 +01:00
relocate_kernel.S s390: remove "64" suffix from a couple of files 2015-03-25 11:49:34 +01:00
runtime_instr.c s390: remove runtime instrumentation interrupts 2015-11-03 14:40:51 +01:00
sclp.c s390: provide sclp based boot console 2017-01-16 07:27:55 +01:00
setup.c s390: make setup_randomness work 2017-02-07 07:27:10 +01:00
signal.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
smp.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 2016-12-13 16:33:33 -08:00
stacktrace.c s390/dumpstack: restore reliable indicator for call traces 2016-10-17 14:44:30 +02:00
suspend.c PCI: Include <linux/pci.h>, not <asm/pci.h> 2015-06-08 07:55:03 -05:00
swsusp.S s390/thread_info: get rid of THREAD_ORDER define 2016-11-23 16:02:21 +01:00
sys_s390.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
syscalls.S s390: wire up preadv2/pwritev2 syscalls 2016-04-01 08:42:38 +02:00
sysinfo.c s390/sysinfo: show partition extended name and UUID if available 2016-12-07 12:29:47 +01:00
time.c s390: use false/true when using bool 2017-01-16 07:27:54 +01:00
topology.c s390/topology: make "topology=off" parameter work 2017-01-16 07:27:54 +01:00
trace.c s390/diag: avoid lockdep recursion 2016-02-11 13:05:56 +01:00
traps.c Replace <asm/uaccess.h> with <linux/uaccess.h> globally 2016-12-24 11:46:01 -08:00
uprobes.c s390/uprobes: fix address space annotation 2015-03-25 11:49:47 +01:00
vdso.c vdso: make arch_setup_additional_pages wait for mmap_sem for write killable 2016-05-23 17:04:14 -07:00
vmlinux.lds.S mm: kmemleak: scan .data.ro_after_init 2016-11-11 08:12:37 -08:00
vtime.c s390/vtime: correct system time accounting 2016-12-20 15:22:56 +01:00