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Janosch Frank a0f60f8431 s390/protvirt: Add sysfs firmware interface for Ultravisor information 
That information, e.g. the maximum number of guests or installed
Ultravisor facilities, is interesting for QEMU, Libvirt and
administrators.

Let's provide an easily parsable API to get that information.

Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
 		2020-02-27 19:44:40 +01:00
..
syscalls threads-v5.6 2020-01-29 19:38:34 -08:00
vdso64 s390/vdso: fix getcpu 2019-11-30 10:52:44 +01:00
.gitignore s390: add various .gitignore files. 2012-05-16 14:42:41 +02:00
Makefile s390/protvirt: introduce host side setup 2020-02-27 19:44:40 +01:00
alternative.c s390: add automatic detection of the spectre defense 2018-03-28 08:38:24 +02:00
asm-offsets.c s390/vdso: fix getcpu 2019-11-30 10:52:44 +01:00
audit.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
audit.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
base.S s390/base: remove unused s390_base_mcck_handler 2019-09-03 13:53:56 +02:00
cache.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
compat_audit.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
compat_linux.c s390: use generic UID16 implementation 2019-01-18 09:33:18 +01:00
compat_linux.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
compat_ptrace.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
compat_signal.c signal: Remove task parameter from force_sig 2019-05-27 09:36:28 -05:00
cpcmd.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
crash_dump.c memblock: memblock_phys_alloc(): don't panic 2019-03-12 10:04:01 -07:00
debug.c docs: s390: unify and update s390dbf kdocs at debug.c 2019-07-05 13:42:22 +02:00
diag.c s390/kernel: introduce .dma sections 2019-04-29 10:47:10 +02:00
dis.c s390/disassembler: don't hide instruction addresses 2019-11-12 11:24:10 +01:00
dumpstack.c sched/rt, s390: Use CONFIG_PREEMPTION 2019-12-08 14:37:35 +01:00
early.c s390: remove last diag 0x44 caller 2019-12-11 19:53:24 +01:00
early_printk.c s390/sclp: avoid using strncmp with hardcoded length 2019-08-29 15:34:58 +02:00
ebcdic.c s390: ebcdic: convert comments to UTF-8 2018-08-23 18:48:43 -07:00
entry.S sched/rt, s390: Use CONFIG_PREEMPTION 2019-12-08 14:37:35 +01:00
entry.h s390/mm: add (non)secure page access exceptions handlers 2020-02-27 19:44:40 +01:00
fpu.c s390: correct some inline assembly constraints 2019-04-17 10:40:57 +02:00
ftrace.c s390: support KPROBES_ON_FTRACE 2020-01-30 13:07:55 +01:00
guarded_storage.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 2017-11-13 11:47:01 -08:00
head64.S s390/head64: correct init_task stack setup 2019-11-30 10:52:45 +01:00
idle.c s390/idle: fix cpu idle time calculation 2019-10-31 17:26:48 +01:00
ima_arch.c s390/kexec_file: Disable kexec_load when IPLed secure 2019-04-29 10:44:03 +02:00
ipl.c s390/protvirt: avoid memory sharing for diag 308 set/store 2019-08-06 13:58:34 +02:00
ipl_vmparm.c s390/ipl: provide uapi header for list directed IPL 2019-04-26 12:34:05 +02:00
irq.c s390/unwind: introduce stack unwind API 2019-05-02 13:54:11 +02:00
jump_label.c s390/jump_label: remove unused structure definition 2019-06-07 10:10:10 +02:00
kdebugfs.c s390: no need to check return value of debugfs_create functions 2019-01-28 15:58:55 +01:00
kexec_elf.c kexec: Fix file verification on S390 2019-09-10 13:27:51 +01:00
kexec_image.c kexec_file: split KEXEC_VERIFY_SIG into KEXEC_SIG and KEXEC_SIG_FORCE 2019-08-19 21:54:15 -07:00
kprobes.c s390: support KPROBES_ON_FTRACE 2020-01-30 13:07:55 +01:00
lgr.c s390: kernel: add SPDX identifiers to the remaining files 2017-11-24 15:37:12 +01:00
machine_kexec.c s390/kaslr: store KASLR offset for early dumps 2019-11-30 10:52:45 +01:00
machine_kexec_file.c Merge branch 'next-lockdown' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security 2019-09-28 08:14:15 -07:00
machine_kexec_reloc.c s390/kaslr: add support for R_390_GLOB_DAT relocation type 2019-10-22 17:55:51 +02:00
mcount.S s390: support KPROBES_ON_FTRACE 2020-01-30 13:07:55 +01:00
module.c s390/module: avoid using strncmp with hardcoded length 2019-08-29 15:34:57 +02:00
nmi.c s390: simplify disabled_wait 2019-05-02 13:54:11 +02:00
nospec-branch.c s390 updates for the 5.2 merge window 2019-05-06 16:42:54 -07:00
nospec-sysfs.c s390: Convert IS_ENABLED uses to __is_defined 2019-04-11 13:36:53 +02:00
os_info.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
perf_cpum_cf.c s390/cpumf: Adjust registration of s390 PMU device drivers 2019-11-20 17:16:01 +01:00
perf_cpum_cf_common.c s390/cpum_cf: move common functions into a separate file 2019-02-22 09:19:55 +01:00
perf_cpum_cf_diag.c s390/cpumf: Adjust registration of s390 PMU device drivers 2019-11-20 17:16:01 +01:00
perf_cpum_cf_events.c s390/cpumf: Add extended counter set definitions for model 8561 and 8562 2019-07-11 20:40:01 +02:00
perf_cpum_sf.c s390/cpum_sf: Use DIV_ROUND_UP 2020-01-22 13:05:35 +01:00
perf_event.c s390: add error handling to perf_callchain_kernel 2019-10-31 17:20:54 +01:00
perf_regs.c s390/perf: fix gcc 8 array-bounds warning 2018-07-02 11:24:54 +02:00
pgm_check.S s390/mm: add (non)secure page access exceptions handlers 2020-02-27 19:44:40 +01:00
process.c s390/process: avoid custom stack unwinding in get_wchan 2019-10-31 17:20:53 +01:00
processor.c processor: get rid of cpu_relax_yield 2019-06-15 12:25:55 +02:00
ptrace.c seccomp: simplify secure_computing() 2019-10-10 14:55:24 -07:00
reipl.S s390: add missing ENDPROC statements to assembler functions 2019-05-02 13:54:11 +02:00
relocate_kernel.S s390: add missing ENDPROC statements to assembler functions 2019-05-02 13:54:11 +02:00
runtime_instr.c s390/runtime_instrumentation: re-add signum system call parameter 2018-02-05 07:34:50 +01:00
setup.c s390/protvirt: add ultravisor initialization 2020-02-27 19:44:40 +01:00
signal.c signal: Remove task parameter from force_sig 2019-05-27 09:36:28 -05:00
smp.c s390: remove last diag 0x44 caller 2019-12-11 19:53:24 +01:00
stacktrace.c s390/livepatch: Implement reliable stack tracing for the consistency model 2019-11-30 10:52:48 +01:00
sthyi.c s390/sthyi: Fix machine name validity indication 2018-10-15 12:17:00 +02:00
suspend.c s390: unify linker symbols usage 2018-02-27 08:05:23 +01:00
swsusp.S s390: enforce CONFIG_SMP 2019-06-07 10:09:37 +02:00
sys_s390.c s390: autogenerate compat syscall wrappers 2019-01-18 09:33:19 +01:00
sysinfo.c s390: no need to check return value of debugfs_create functions 2019-01-28 15:58:55 +01:00
time.c s390/time: remove monotonic_clock() 2019-10-31 17:20:52 +01:00
topology.c s390/topology: avoid firing events before kobjs are created 2019-09-23 23:27:52 +02:00
trace.c License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
traps.c s390: fix __EMIT_BUG() macro 2020-01-22 13:05:35 +01:00
unwind_bc.c s390/unwind: stop gracefully at user mode pt_regs in irq stack 2019-12-18 23:29:26 +01:00
uprobes.c s390/uprobes: implement arch_uretprobe_is_alive() 2018-04-23 07:57:16 +02:00
uv.c s390/protvirt: Add sysfs firmware interface for Ultravisor information 2020-02-27 19:44:40 +01:00
vdso.c s390: remove compat vdso code 2019-12-01 12:48:49 +01:00
vmlinux.lds.S vmlinux.lds.h: Replace RW_DATA_SECTION with RW_DATA 2019-11-04 15:57:41 +01:00
vtime.c sched/cputime: Rename vtime_account_system() to vtime_account_kernel() 2019-10-09 12:39:25 +02:00