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37346951a8
linux/arch/s390/kernel
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Heiko Carstens ea8b75d289 s390/sysinfo: convert bogomips calculation to C 
Provide several one instruction fpu inline assemebles and use them to
implement the bogomips calculation in C like style. This is more for
illustration purposes on how kernel fpu code can be written in C.

This has the advantage that the author only has to take care of the
floating point instructions, but doesn't need to take care of general
purpose register allocation (if needed), and the semantics of all other
instructions not related to fpu.

Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
2024-02-16 14:30:17 +01:00
..
syscalls lsm/stable-6.8 PR 20240105 2024-01-09 12:57:46 -08:00
vdso32 s390/vdso: remove unused ENTRY in linker scripts 2024-02-14 13:50:53 +01:00
vdso64 s390/vdso: remove unused ENTRY in linker scripts 2024-02-14 13:50:53 +01:00
.gitignore .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
abs_lowcore.c s390/mm: allocate Absolute Lowcore Area in decompressor 2023-01-13 14:15:06 +01:00
alternative.c s390/alternatives: remove padding generation code 2022-05-17 15:16:28 +02:00
asm-offsets.c s390/tracing: pass struct ftrace_regs to ftrace_trace_function 2023-07-24 12:12:24 +02:00
audit.c audit: add support for the openat2 syscall 2021-10-01 16:52:48 -04:00
audit.h
cache.c s390/cache: change type from unsigned long long to unsigned long 2023-01-25 20:51:09 +01:00
cert_store.c s390/cert_store: fix string length handling 2023-09-19 13:25:44 +02:00
compat_audit.c audit: add support for the openat2 syscall 2021-10-01 16:52:48 -04:00
compat_linux.c
compat_linux.h s390/compat: cleanup compat_linux.h header file 2022-05-06 20:45:16 +02:00
compat_ptrace.h
compat_signal.c s390/fpu: rename save_fpu_regs() to save_user_fpu_regs(), etc 2024-02-16 14:30:15 +01:00
cpcmd.c s390: include linux/io.h instead of asm/io.h 2023-07-03 11:19:40 +02:00
cpufeature.c s390/uvdevice: autoload module based on CPU facility 2022-07-19 16:18:49 +02:00
crash_dump.c s390/fpu: move, rename, and merge header files 2024-02-16 14:30:14 +01:00
ctlreg.c s390/ctlreg: add system_ctl_load() 2023-09-19 13:26:57 +02:00
debug.c S390: Remove now superfluous sentinel elem from ctl_table arrays 2023-10-10 15:22:02 -07:00
diag.c s390/diag: add missing virt_to_phys() translation to diag14() 2024-02-09 13:58:14 +01:00
dis.c s390: fix various typos 2023-07-03 11:19:42 +02:00
dumpstack.c s390/dumpstack: simplify in stack logic code 2023-04-04 18:34:55 +02:00
early_printk.c s390/sclp: remove unused sclp_early_printk_forced 2020-09-21 08:08:44 +02:00
early.c s390/fpu: move, rename, and merge header files 2024-02-16 14:30:14 +01:00
earlypgm.S s390/earlypgm: use SYM* macros instead of ENTRY(), etc. 2023-04-19 17:24:17 +02:00
ebcdic.c s390/ebcdic: fix typo in comment 2023-07-27 13:11:35 +02:00
entry.h s390/switch_to: use generic header file 2024-02-12 15:03:33 +01:00
entry.S s390/kvm: convert to regular kernel fpu user 2024-02-16 14:30:16 +01:00
facility.c KVM: s390: vsie: Fix length of facility list shadowed 2023-12-23 10:41:09 +01:00
fpu.c s390/fpu: limit save and restore to used registers 2024-02-16 14:30:16 +01:00
ftrace.c s390/ftrace: do not assume module_alloc() returns executable memory 2023-04-13 17:36:26 +02:00
ftrace.h s390: raise minimum supported machine generation to z10 2022-03-10 15:58:17 +01:00
guarded_storage.c s390: use control register bit defines 2023-09-19 13:26:57 +02:00
head64.S s390: consistently use .balign instead of .align 2023-06-28 13:57:09 +02:00
idle.c sched/idle: Mark arch_cpu_idle_dead() __noreturn 2023-03-08 08:44:28 -08:00
ima_arch.c
ipl_vmparm.c s390/cio: remove unused include linux/spinlock.h from cio.h 2021-07-27 09:39:13 +02:00
ipl.c s390/checksum: provide and use cksm() inline assembly 2024-02-16 14:30:17 +01:00
irq.c s390/ctlreg: add local and system prefix to some functions 2023-09-19 13:26:56 +02:00
jump_label.c jump_label: make initial NOP patching the special case 2022-06-24 09:48:55 +02:00
kdebugfs.c
kexec_elf.c kexec: Fix file verification on S390 2019-09-10 13:27:51 +01:00
kexec_image.c
kprobes_insn_page.S s390: consistently use .balign instead of .align 2023-06-28 13:57:09 +02:00
kprobes.c s390/ctlreg: add struct ctlreg 2023-09-19 13:26:56 +02:00
kprobes.h s390/kprobes: define insn cache ops within private header file 2022-11-23 16:24:07 +01:00
lgr.c s390/lgr: use simple assignment instead of memcpy 2022-02-06 23:31:29 +01:00
machine_kexec_file.c s390/ipl: fix virtual vs physical address confusion 2023-08-18 15:08:12 +02:00
machine_kexec_reloc.c s390/kaslr: add support for R_390_JMP_SLOT relocation type 2020-05-20 10:13:27 +02:00
machine_kexec.c s390/fpu: move, rename, and merge header files 2024-02-16 14:30:14 +01:00
Makefile KVM: s390: vsie: Fix length of facility list shadowed 2023-12-23 10:41:09 +01:00
mcount.S s390: remove unneeded #include <asm/export.h> 2023-08-09 15:20:50 +02:00
module.c s390/module: fix rela calculation for R_390_GOTENT 2023-06-20 19:55:00 +02:00
nmi.c s390/fpu: move, rename, and merge header files 2024-02-16 14:30:14 +01:00
nospec-branch.c s390: fix various typos 2023-07-03 11:19:42 +02:00
nospec-sysfs.c s390: introduce nospec_uses_trampoline() 2021-10-26 15:21:29 +02:00
numa.c drivers/base/node: consolidate node device subsystem initialization in node_dev_init() 2022-03-22 15:57:10 -07:00
os_info.c s390/checksum: provide and use cksm() inline assembly 2024-02-16 14:30:17 +01:00
perf_cpum_cf_events.c s390/cpumf: add new extended counter set for IBM z16 2022-05-16 10:58:33 +02:00
perf_cpum_cf.c s390: use control register bit defines 2023-09-19 13:26:57 +02:00
perf_cpum_sf.c s390/cpum_sf: remove check on CPU being online 2023-07-04 07:45:18 +02:00
perf_event.c s390/perf: implement perf_callchain_user() 2023-11-05 22:34:57 +01:00
perf_pai_crypto.c s390/pai_crypto: return proper error code in paicrypt_init 2024-02-09 13:58:14 +01:00
perf_pai_ext.c s390/pai: export number of sysfs attribute files 2024-02-09 13:58:14 +01:00
perf_regs.c s390/fpu: remove anonymous union from struct fpu 2024-02-16 14:30:16 +01:00
process.c s390/fpu: remove regs member from struct fpu 2024-02-16 14:30:16 +01:00
processor.c s390/fpu: get rid of MACHINE_HAS_VX 2023-12-11 14:33:07 +01:00
ptrace.c s390/fpu: remove anonymous union from struct fpu 2024-02-16 14:30:16 +01:00
reipl.S s390/reipl: use SYM* macros instead of ENTRY(), etc. 2023-04-19 17:24:17 +02:00
relocate_kernel.S s390/relocate_kernel: adjust indentation 2023-04-19 17:24:18 +02:00
rethook.c s390/rethook: add local rethook header file 2023-02-06 11:13:53 +01:00
rethook.h s390/rethook: add local rethook header file 2023-02-06 11:13:53 +01:00
runtime_instr.c s390/runtime_instrumentation: fix storage key handling 2020-08-17 13:17:10 +02:00
setup.c s390/setup: fix virtual vs physical address confusion 2024-02-16 14:30:12 +01:00
signal.c s390/fpu: rename save_fpu_regs() to save_user_fpu_regs(), etc 2024-02-16 14:30:15 +01:00
smp.c s390/fpu: move, rename, and merge header files 2024-02-16 14:30:14 +01:00
stacktrace.c s390: add USER_STACKTRACE support 2023-11-05 22:34:57 +01:00
sthyi.c s390 updates for 6.6 merge window 2023-08-28 17:22:39 -07:00
syscall.c s390: add support for BEAR enhancement facility 2021-10-26 15:21:29 +02:00
sysinfo.c s390/sysinfo: convert bogomips calculation to C 2024-02-16 14:30:17 +01:00
text_amode31.S s390/hypfs_diag0c: fix virtual vs physical address confusion 2024-02-09 13:58:13 +01:00
time.c s390/time: make stp_subsys const 2024-02-09 13:58:15 +01:00
topology.c sysctl-6.7-rc1 2023-11-01 20:51:41 -10:00
trace.c s390/ftrace: fix potential crashes when switching tracers 2020-04-22 16:20:55 +02:00
traps.c s390/fpu: rename save_fpu_regs() to save_user_fpu_regs(), etc 2024-02-16 14:30:15 +01:00
unwind_bc.c s390/unwind: avoid duplicated unwinding entries for kretprobes 2022-03-27 22:18:39 +02:00
uprobes.c s390/switch_to: use generic header file 2024-02-12 15:03:33 +01:00
uv.c s390/uv: UV feature check utility 2023-08-28 09:27:55 +00:00
vdso.c mm: remove zap_page_range and create zap_vma_pages 2023-01-18 17:12:55 -08:00
vmlinux.lds.S s390: vmlinux.lds.S: explicitly keep various sections 2024-02-14 13:50:52 +01:00
vtime.c cputime: remove cputime_to_nsecs fallback 2022-12-27 12:52:17 +01:00