data_type large_stringclasses 3
values | source large_stringclasses 29
values | code large_stringlengths 98 49.4M | filepath large_stringlengths 5 161 ⌀ | message large_stringclasses 234
values | commit large_stringclasses 234
values | subject large_stringclasses 418
values | critique large_stringlengths 101 1.26M ⌀ | metadata dict |
|---|---|---|---|---|---|---|---|---|
source | linux | // SPDX-License-Identifier: GPL-2.0
#ifndef pr_fmt
#define pr_fmt(fmt) "alt: " fmt
#endif
#include <linux/hex.h>
#include <linux/uaccess.h>
#include <linux/printk.h>
#include <asm/nospec-branch.h>
#include <asm/abs_lowcore.h>
#include <asm/alternative.h>
#include <asm/facility.h>
#include <asm/sections.h>
#include <a... | arch/s390/kernel/alternative.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Generate definitions needed by assembly language modules.
* This code generates raw asm output which is post-processed to extract
* and format the required data.
*/
#define COMPILE_OFFSETS
#include <linux/kbuild.h>
#include <linux/sched.h>
#include <linux/purgatory.h>
#incl... | arch/s390/kernel/asm-offsets.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
#include <linux/init.h>
#include <linux/types.h>
#include <linux/audit.h>
#include <asm/unistd.h>
static unsigned dir_class[] = {
#include <asm-generic/audit_dir_write.h>
~0U
};
static unsigned read_class[] = {
#include <asm-generic/audit_read.h>
~0U
};
static unsigned write_class... | arch/s390/kernel/audit.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Extract CPU cache information and expose them via sysfs.
*
* Copyright IBM Corp. 2012
*/
#include <linux/seq_file.h>
#include <linux/cpu.h>
#include <linux/cacheinfo.h>
#include <asm/facility.h>
enum {
CACHE_SCOPE_NOTEXISTS,
CACHE_SCOPE_PRIVATE,
CACHE_SCOPE_SHARED,
... | arch/s390/kernel/cache.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* DIAG 0x320 support and certificate store handling
*
* Copyright IBM Corp. 2023
* Author(s): Anastasia Eskova <anastasia.eskova@ibm.com>
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/fs.h>
#include <linux/... | arch/s390/kernel/cert_store.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright IBM Corp. 2024
*/
#define pr_fmt(fmt) "cpacf: " fmt
#include <linux/cpu.h>
#include <linux/device.h>
#include <linux/sysfs.h>
#include <asm/cpacf.h>
#define CPACF_QUERY(name, instruction) \
static ssize_t name##_query_raw_read(struct file *fp, \
s... | arch/s390/kernel/cpacf.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* S390 version
* Copyright IBM Corp. 1999, 2007
* Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
* Christian Borntraeger (cborntra@de.ibm.com),
*/
#define pr_fmt(fmt) "cpcmd: " fmt
#include <linux/kernel.h>
#include <linux/export.h>
#include <l... | arch/s390/kernel/cpcmd.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright IBM Corp. 2022
*/
#include <linux/cpufeature.h>
#include <linux/export.h>
#include <linux/bug.h>
#include <asm/machine.h>
#include <asm/elf.h>
enum {
TYPE_HWCAP,
TYPE_FACILITY,
TYPE_MACHINE,
};
struct s390_cpu_feature {
unsigned int type : 4;
unsigned int num... | arch/s390/kernel/cpufeature.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* S390 kdump implementation
*
* Copyright IBM Corp. 2011
* Author(s): Michael Holzheu <holzheu@linux.vnet.ibm.com>
*/
#include <linux/crash_dump.h>
#include <linux/export.h>
#include <asm/lowcore.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/mm.h>
#inc... | arch/s390/kernel/crash_dump.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright IBM Corp. 1999, 2023
*/
#include <linux/irqflags.h>
#include <linux/spinlock.h>
#include <linux/export.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/smp.h>
#include <linux/cache.h>
#include <asm/abs_lowcore.h>
#include <asm/ctlreg.h>
/*
* ct... | arch/s390/kernel/ctlreg.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* S/390 debug facility
*
* Copyright IBM Corp. 1999, 2020
*
* Author(s): Michael Holzheu (holzheu@de.ibm.com),
* Holger Smolinski (Holger.Smolinski@de.ibm.com)
*
* Bugreports to: <Linux390@de.ibm.com>
*/
#define pr_fmt(fmt) "s390dbf: " fmt
#include <linux/s... | arch/s390/kernel/debug.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Disassemble s390 instructions.
*
* Copyright IBM Corp. 2007
* Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
*/
#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/ptrace.h>
#include <linux/timer.h>... | arch/s390/kernel/dis.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Stack dumping functions
*
* Copyright IBM Corp. 1999, 2013
*/
#include <linux/kallsyms.h>
#include <linux/hardirq.h>
#include <linux/kprobes.h>
#include <linux/utsname.h>
#include <linux/export.h>
#include <linux/kdebug.h>
#include <linux/ptrace.h>
#include <linux/mm.h>
#i... | arch/s390/kernel/dumpstack.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright IBM Corp. 2007, 2009
* Author(s): Hongjie Yang <hongjie@us.ibm.com>,
*/
#define pr_fmt(fmt) "setup: " fmt
#include <linux/sched/debug.h>
#include <linux/cpufeature.h>
#include <linux/compiler.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linu... | arch/s390/kernel/early.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright IBM Corp. 2017
*/
#include <linux/console.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <asm/setup.h>
#include <asm/sclp.h>
static void sclp_early_write(struct console *con, const char *s, unsigned int len)
{
__sclp_early_printk(s, len);
}
stat... | arch/s390/kernel/early_printk.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* EBCDIC -> ASCII, ASCII -> EBCDIC,
* upper to lower case (EBCDIC) conversion tables.
*
* S390 version
* Copyright IBM Corp. 1999
* Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
* Martin Peschke <peschke@fh-brandenburg.de>
*/
#include <... | arch/s390/kernel/ebcdic.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* S390 low-level entry points.
*
* Copyright IBM Corp. 1999, 2012
* Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
* Hartmut Penner (hp@de.ibm.com),
* Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com),
*/
#include <linux/export.h>
#incl... | arch/s390/kernel/entry.S | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ENTRY_H
#define _ENTRY_H
#include <linux/percpu.h>
#include <linux/types.h>
#include <linux/signal.h>
#include <asm/extable.h>
#include <asm/ptrace.h>
#include <asm/idle.h>
extern void *restart_stack;
void system_call(void);
void pgm_check_handler(void);
void ext_int_h... | arch/s390/kernel/entry.h | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright IBM Corp. 2023
*/
#include <linux/export.h>
#include <asm/facility.h>
unsigned int stfle_size(void)
{
static unsigned int size;
unsigned int r;
u64 dummy;
r = READ_ONCE(size);
if (!r) {
r = __stfle_asm(&dummy, 1) + 1;
WRITE_ONCE(size, r);
}
return r;
}
... | arch/s390/kernel/facility.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* In-kernel vector facility support functions
*
* Copyright IBM Corp. 2015
* Author(s): Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
*/
#include <linux/export.h>
#include <linux/kernel.h>
#include <linux/cpu.h>
#include <linux/sched.h>
#include <asm/fpu.h>
void __kernel... | arch/s390/kernel/fpu.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Dynamic function tracer architecture backend.
*
* Copyright IBM Corp. 2009,2014
*
* Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
*/
#include <linux/hardirq.h>
#include <linux/uaccess.h>
#include <linux/ftrace.h>
#include <linux/kernel.h>
#include <linux/types.... | arch/s390/kernel/ftrace.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef _FTRACE_H
#define _FTRACE_H
#include <asm/types.h>
struct ftrace_hotpatch_trampoline {
u16 brasl_opc;
s32 brasl_disp;
s16: 16;
u64 rest_of_intercepted_function;
u64 interceptor;
} __packed;
extern struct ftrace_hotpatch_trampoline __ftrace_hotpatch_trampolines_star... | arch/s390/kernel/ftrace.h | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright IBM Corp. 2016
* Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
*/
#include <linux/cpufeature.h>
#include <linux/kernel.h>
#include <linux/syscalls.h>
#include <linux/signal.h>
#include <linux/mm.h>
#include <linux/slab.h>
#include <asm/guarded_storage.h>
#... | arch/s390/kernel/guarded_storage.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright IBM Corp. 1999, 2010
*
* Author(s): Hartmut Penner <hp@de.ibm.com>
* Martin Schwidefsky <schwidefsky@de.ibm.com>
* Rob van der Heij <rvdhei@iae.nl>
*
*/
#include <linux/init.h>
#include <linux/linkage.h>
#include <asm/lowcore.h>
#include <asm/asm-offsets... | arch/s390/kernel/head.S | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright IBM Corp. 2024
*/
#define pr_fmt(fmt) "hd: " fmt
/*
* Hiperdispatch:
* Dynamically calculates the optimum number of high capacity COREs
* by considering the state the system is in. When hiperdispatch decides
* that a capacity update is necessary, it schedules a... | arch/s390/kernel/hiperdispatch.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Idle functions for s390.
*
* Copyright IBM Corp. 2014
*
* Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
*/
#include <linux/kernel.h>
#include <linux/kernel_stat.h>
#include <linux/notifier.h>
#include <linux/init.h>
#include <linux/cpu.h>
#include <trace/events/p... | arch/s390/kernel/idle.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
#include <linux/ima.h>
#include <asm/boot_data.h>
bool arch_ima_get_secureboot(void)
{
return ipl_secure_flag;
}
const char * const *arch_get_ima_policy(void)
{
return NULL;
} | arch/s390/kernel/ima_arch.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* ipl/reipl/dump support for Linux on s390.
*
* Copyright IBM Corp. 2005, 2012
* Author(s): Michael Holzheu <holzheu@de.ibm.com>
* Volker Sameske <sameske@de.ibm.com>
*/
#include <linux/types.h>
#include <linux/export.h>
#include <linux/init.h>
#include <linux/de... | arch/s390/kernel/ipl.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
#include <linux/minmax.h>
#include <linux/string.h>
#include <asm/ebcdic.h>
#include <asm/ipl.h>
/* VM IPL PARM routines */
size_t ipl_block_get_ascii_vmparm(char *dest, size_t size,
const struct ipl_parameter_block *ipb)
{
int i;
size_t len;
char has_lowercase = 0;
len =... | arch/s390/kernel/ipl_vmparm.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright IBM Corp. 2004, 2011
* Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>,
* Holger Smolinski <Holger.Smolinski@de.ibm.com>,
* Thomas Spatzier <tspat@de.ibm.com>,
*
* This file contains interrupt related functions.
*/
#include <linux/kernel_stat.h... | arch/s390/kernel/irq.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Jump label s390 support
*
* Copyright IBM Corp. 2011
* Author(s): Jan Glauber <jang@linux.vnet.ibm.com>
*/
#include <linux/uaccess.h>
#include <linux/jump_label.h>
#include <linux/module.h>
#include <asm/text-patching.h>
#include <asm/ipl.h>
struct insn {
u16 opcode;
s32... | arch/s390/kernel/jump_label.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
#include <linux/debugfs.h>
#include <linux/export.h>
#include <linux/init.h>
struct dentry *arch_debugfs_dir;
EXPORT_SYMBOL(arch_debugfs_dir);
static int __init arch_kdebugfs_init(void)
{
arch_debugfs_dir = debugfs_create_dir("s390", NULL);
return 0;
}
postcore_initcall(arch_kdeb... | arch/s390/kernel/kdebugfs.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* ELF loader for kexec_file_load system call.
*
* Copyright IBM Corp. 2018
*
* Author(s): Philipp Rudo <prudo@linux.vnet.ibm.com>
*/
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/kexec.h>
#include <asm/ipl.h>
#include <asm/setup.h>
static int kexec_fil... | arch/s390/kernel/kexec_elf.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Image loader for kexec_file_load system call.
*
* Copyright IBM Corp. 2018
*
* Author(s): Philipp Rudo <prudo@linux.vnet.ibm.com>
*/
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/kexec.h>
#include <asm/ipl.h>
#include <asm/setup.h>
static int kexec_f... | arch/s390/kernel/kexec_image.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0+
/*
* Kernel Probes (KProbes)
*
* Copyright IBM Corp. 2002, 2006
*
* s390 port, used ppc64 as template. Mike Grundy <grundym@us.ibm.com>
*/
#define pr_fmt(fmt) "kprobes: " fmt
#include <linux/kprobes.h>
#include <linux/ptrace.h>
#include <linux/preempt.h>
#include <linux/sto... | arch/s390/kernel/kprobes.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Linux Guest Relocation (LGR) detection
*
* Copyright IBM Corp. 2012
* Author(s): Michael Holzheu <holzheu@linux.vnet.ibm.com>
*/
#include <linux/init.h>
#include <linux/export.h>
#include <linux/timer.h>
#include <linux/slab.h>
#include <asm/facility.h>
#include <asm/sysin... | arch/s390/kernel/lgr.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright IBM Corp. 2005, 2011
*
* Author(s): Rolf Adelsberger,
* Michael Holzheu <holzheu@linux.vnet.ibm.com>
*/
#include <linux/device.h>
#include <linux/mm.h>
#include <linux/kexec.h>
#include <linux/delay.h>
#include <linux/reboot.h>
#include <linux/ftrace.h>
#in... | arch/s390/kernel/machine_kexec.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* s390 code for kexec_file_load system call
*
* Copyright IBM Corp. 2018
*
* Author(s): Philipp Rudo <prudo@linux.vnet.ibm.com>
*/
#define pr_fmt(fmt) "kexec: " fmt
#include <linux/elf.h>
#include <linux/errno.h>
#include <linux/kexec.h>
#include <linux/module_signature.h>... | arch/s390/kernel/machine_kexec_file.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
#include <linux/elf.h>
#include <asm/kexec.h>
int arch_kexec_do_relocs(int r_type, void *loc, unsigned long val,
unsigned long addr)
{
switch (r_type) {
case R_390_NONE:
break;
case R_390_8: /* Direct 8 bit. */
*(u8 *)loc = val;
break;
case R_390_12: /* Direct 12 b... | arch/s390/kernel/machine_kexec_reloc.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright IBM Corp. 2008, 2009
*
*/
#include <linux/linkage.h>
#include <asm/asm-offsets.h>
#include <asm/ftrace.h>
#include <asm/nospec-insn.h>
#include <asm/ptrace.h>
#include <asm/march.h>
#define STACK_FRAME_SIZE_PTREGS (STACK_FRAME_OVERHEAD + __PT_SIZE)
#define STA... | arch/s390/kernel/mcount.S | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0+
/*
* Kernel module help for s390.
*
* S390 version
* Copyright IBM Corp. 2002, 2003
* Author(s): Arnd Bergmann (arndb@de.ibm.com)
* Martin Schwidefsky (schwidefsky@de.ibm.com)
*
* based on i386 version
* Copyright (C) 2001 Rusty Russell.
*/
#include <linux/mo... | arch/s390/kernel/module.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Machine check handler
*
* Copyright IBM Corp. 2000, 2009
* Author(s): Ingo Adlung <adlung@de.ibm.com>,
* Martin Schwidefsky <schwidefsky@de.ibm.com>,
* Cornelia Huck <cornelia.huck@de.ibm.com>,
*/
#include <linux/kernel_stat.h>
#include <linux/utsname.h>
#inc... | arch/s390/kernel/nmi.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
#include <linux/module.h>
#include <linux/device.h>
#include <linux/cpu.h>
#include <asm/nospec-branch.h>
int nobp = IS_ENABLED(CONFIG_KERNEL_NOBP);
static int __init nobp_setup_early(char *str)
{
bool enabled;
int rc;
rc = kstrtobool(str, &enabled);
if (rc)
return rc;
if (... | arch/s390/kernel/nospec-branch.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
#include <linux/device.h>
#include <linux/cpu.h>
#include <asm/facility.h>
#include <asm/nospec-branch.h>
ssize_t cpu_show_spectre_v1(struct device *dev,
struct device_attribute *attr, char *buf)
{
return sysfs_emit(buf, "Mitigation: __user pointer sanitization\n");
}
ssize... | arch/s390/kernel/nospec-sysfs.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* NUMA support for s390
*
* Implement NUMA core code.
*
* Copyright IBM Corp. 2015
*/
#include <linux/kernel.h>
#include <linux/mmzone.h>
#include <linux/cpumask.h>
#include <linux/memblock.h>
#include <linux/node.h>
#include <asm/numa.h>
void __init numa_setup(void)
{
in... | arch/s390/kernel/numa.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* OS info memory interface
*
* Copyright IBM Corp. 2012
* Author(s): Michael Holzheu <holzheu@linux.vnet.ibm.com>
*/
#define pr_fmt(fmt) "os_info: " fmt
#include <linux/crash_dump.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <asm/checksum.h>
#include <asm/a... | arch/s390/kernel/os_info.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Performance event support for s390x - CPU-measurement Counter Facility
*
* Copyright IBM Corp. 2012, 2023
* Author(s): Hendrik Brueckner <brueckner@linux.ibm.com>
* Thomas Richter <tmricht@linux.ibm.com>
*/
#define pr_fmt(fmt) "cpum_cf: " fmt
#include <linux/kern... | arch/s390/kernel/perf_cpum_cf.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Perf PMU sysfs events attributes for available CPU-measurement counters
*
*/
#include <linux/slab.h>
#include <linux/perf_event.h>
#include <asm/cpu_mf.h>
/* BEGIN: CPUM_CF COUNTER DEFINITIONS =================================== */
CPUMF_EVENT_ATTR(cf_fvn1, CPU_CYCLES, 0x... | arch/s390/kernel/perf_cpum_cf_events.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Performance event support for the System z CPU-measurement Sampling Facility
*
* Copyright IBM Corp. 2013, 2018
* Author(s): Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
*/
#define pr_fmt(fmt) "cpum_sf: " fmt
#include <linux/kernel.h>
#include <linux/kernel_stat.h>
#in... | arch/s390/kernel/perf_cpum_sf.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Performance event support for s390x
*
* Copyright IBM Corp. 2012, 2013
* Author(s): Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
*/
#define pr_fmt(fmt) "perf: " fmt
#include <linux/kernel.h>
#include <linux/perf_event.h>
#include <linux/kvm_host.h>
#include <linux/pe... | arch/s390/kernel/perf_event.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Performance event support - Processor Activity Instrumentation Facility
*
* Copyright IBM Corp. 2026
* Author(s): Thomas Richter <tmricht@linux.ibm.com>
*/
#define pr_fmt(fmt) "pai: " fmt
#include <linux/kernel.h>
#include <linux/kernel_stat.h>
#include <linux/percpu.h>
... | arch/s390/kernel/perf_pai.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
#include <linux/perf_event.h>
#include <linux/perf_regs.h>
#include <linux/kernel.h>
#include <linux/errno.h>
#include <linux/bug.h>
#include <asm/ptrace.h>
#include <asm/fpu.h>
u64 perf_reg_value(struct pt_regs *regs, int idx)
{
freg_t fp;
if (idx >= PERF_REG_S390_R0 && idx <= P... | arch/s390/kernel/perf_regs.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* This file handles the architecture dependent parts of process handling.
*
* Copyright IBM Corp. 1999, 2009
* Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>,
* Hartmut Penner <hp@de.ibm.com>,
* Denis Joseph Barrow,
*/
#include <linux/elf-randomize.h>
#in... | arch/s390/kernel/process.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright IBM Corp. 2008
* Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com)
*/
#define pr_fmt(fmt) "cpu: " fmt
#include <linux/stop_machine.h>
#include <linux/cpufeature.h>
#include <linux/bitops.h>
#include <linux/kernel.h>
#include <linux/random.h>
#include <linux... | arch/s390/kernel/processor.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Ptrace user space interface.
*
* Copyright IBM Corp. 1999, 2010
* Author(s): Denis Joseph Barrow
* Martin Schwidefsky (schwidefsky@de.ibm.com)
*/
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/sched/task_stack.h>
#include <linux/cp... | arch/s390/kernel/ptrace.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright IBM Corp 2000, 2011
* Author(s): Holger Smolinski <Holger.Smolinski@de.ibm.com>,
* Denis Joseph Barrow,
*/
#include <linux/linkage.h>
#include <asm/asm-offsets.h>
#include <asm/nospec-insn.h>
#include <asm/sigp.h>
#include <asm/lowcore.h>
GEN_BR_THUNK... | arch/s390/kernel/reipl.S | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright IBM Corp. 2005
*
* Author(s): Rolf Adelsberger
*
*/
#include <linux/linkage.h>
#include <asm/page.h>
#include <asm/sigp.h>
/*
* moves the new kernel to its destination...
* %r2 = pointer to first kimage_entry_t
* %r3 = start address - where to jump to afte... | arch/s390/kernel/relocate_kernel.S | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0-or-later
#include <linux/rethook.h>
#include <linux/kprobes.h>
#include "rethook.h"
void arch_rethook_prepare(struct rethook_node *rh, struct pt_regs *regs, bool mcount)
{
rh->ret_addr = regs->gprs[14];
rh->frame = regs->gprs[15];
/* Replace the return addr with trampoline addr ... | arch/s390/kernel/rethook.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0-only */
#ifndef __S390_RETHOOK_H
#define __S390_RETHOOK_H
unsigned long arch_rethook_trampoline_callback(struct pt_regs *regs);
#endif | arch/s390/kernel/rethook.h | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright IBM Corp. 2012
* Author(s): Jan Glauber <jang@linux.vnet.ibm.com>
*/
#include <linux/kernel.h>
#include <linux/syscalls.h>
#include <linux/signal.h>
#include <linux/mm.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/kerne... | arch/s390/kernel/runtime_instr.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* S390 version
* Copyright IBM Corp. 1999, 2012
* Author(s): Hartmut Penner (hp@de.ibm.com),
* Martin Schwidefsky (schwidefsky@de.ibm.com)
*
* Derived from "arch/i386/kernel/setup.c"
* Copyright (C) 1995, Linus Torvalds
*/
/*
* This file handles ... | arch/s390/kernel/setup.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright IBM Corp. 1999, 2006
* Author(s): Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com)
*
* Based on Intel version
*
* Copyright (C) 1991, 1992 Linus Torvalds
*
* 1997-11-28 Modified for POSIX.1b signals by Richard Henderson
*/
#include ... | arch/s390/kernel/signal.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
#include <asm/rwonce.h>
#include <asm/page.h>
#include <asm/skey.h>
int skey_regions_initialized;
static inline unsigned long load_real_address(unsigned long address)
{
unsigned long real;
asm volatile(
" lra %[real],0(%[address])"
: [real] "=d" (real)
: [address] "a" (ad... | arch/s390/kernel/skey.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* SMP related functions
*
* Copyright IBM Corp. 1999, 2012
* Author(s): Denis Joseph Barrow,
* Martin Schwidefsky <schwidefsky@de.ibm.com>,
*
* based on other smp stuff by
* (c) 1995 Alan Cox, CymruNET Ltd <alan@cymru.net>
* (c) 1998 Ingo Molnar
*
* The... | arch/s390/kernel/smp.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
#ifndef pr_fmt
#define pr_fmt(fmt) "stackprot: " fmt
#endif
#include <linux/export.h>
#include <linux/hex.h>
#include <linux/uaccess.h>
#include <linux/printk.h>
#include <asm/abs_lowcore.h>
#include <asm/sections.h>
#include <asm/machine.h>
#include <asm/asm-offsets.h>
#include <a... | arch/s390/kernel/stackprotector.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Stack trace management functions
*
* Copyright IBM Corp. 2006
*/
#include <linux/perf_event.h>
#include <linux/stacktrace.h>
#include <linux/uaccess.h>
#include <asm/asm-offsets.h>
#include <asm/stacktrace.h>
#include <asm/unwind.h>
#include <asm/kprobes.h>
#include <asm/p... | arch/s390/kernel/stacktrace.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* store hypervisor information instruction emulation functions.
*
* Copyright IBM Corp. 2016
* Author(s): Janosch Frank <frankja@linux.vnet.ibm.com>
*/
#include <linux/export.h>
#include <linux/errno.h>
#include <linux/pagemap.h>
#include <linux/vmalloc.h>
#include <linux/sy... | arch/s390/kernel/sthyi.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* S390 version
* Copyright IBM Corp. 1999, 2000
* Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
* Thomas Spatzier (tspat@de.ibm.com)
*
* Derived from "arch/i386/kernel/sys_i386.c"
*
* This file contains various random system calls that
* ... | arch/s390/kernel/syscall.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright IBM Corp. 2001, 2009
* Author(s): Ulrich Weigand <Ulrich.Weigand@de.ibm.com>,
* Martin Schwidefsky <schwidefsky@de.ibm.com>,
*/
#include <linux/cpufeature.h>
#include <linux/debugfs.h>
#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/proc_f... | arch/s390/kernel/sysinfo.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* Code that needs to run below 2 GB.
*
* Copyright IBM Corp. 2019
*/
#include <linux/linkage.h>
#include <asm/asm-extable.h>
#include <asm/errno.h>
#include <asm/sigp.h>
.section .amode31.text,"ax"
/*
* Simplified version of expoline thunk. The normal thunks can not be ... | arch/s390/kernel/text_amode31.S | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Time of day based timer functions.
*
* S390 version
* Copyright IBM Corp. 1999, 2008
* Author(s): Hartmut Penner (hp@de.ibm.com),
* Martin Schwidefsky (schwidefsky@de.ibm.com),
* Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yaho... | arch/s390/kernel/time.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Copyright IBM Corp. 2007, 2011
*/
#define pr_fmt(fmt) "cpu: " fmt
#include <linux/cpufeature.h>
#include <linux/workqueue.h>
#include <linux/memblock.h>
#include <linux/uaccess.h>
#include <linux/sysctl.h>
#include <linux/cpuset.h>
#include <linux/device.h>
#include <linu... | arch/s390/kernel/topology.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Tracepoint definitions for s390
*
* Copyright IBM Corp. 2015
* Author(s): Martin Schwidefsky <schwidefsky@de.ibm.com>
*/
#include <linux/percpu.h>
#define CREATE_TRACE_POINTS
#include <asm/trace/diag.h>
EXPORT_TRACEPOINT_SYMBOL(s390_diagnose);
static DEFINE_PER_CPU(unsig... | arch/s390/kernel/trace.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* S390 version
* Copyright IBM Corp. 1999, 2000
* Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
* Denis Joseph Barrow (djbarrow@de.ibm.com,barrow_dj@yahoo.com),
*
* Derived from "arch/i386/kernel/traps.c"
* Copyright (C) 1991, 1992 Linus Torvalds
*/
... | arch/s390/kernel/traps.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#include <linux/export.h>
#include <linux/sched.h>
#include <linux/sched/task.h>
#include <linux/sched/task_stack.h>
#include <linux/interrupt.h>
#include <asm/sections.h>
#include <asm/ptrace.h>
#include <asm/bitops.h>
#include <asm/stacktrace.h>
#include <asm/unwind.h>
unsigne... | arch/s390/kernel/unwind_bc.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* User-space Probes (UProbes) for s390
*
* Copyright IBM Corp. 2014
* Author(s): Jan Willeke,
*/
#include <linux/uaccess.h>
#include <linux/uprobes.h>
#include <linux/kdebug.h>
#include <linux/sched/task_stack.h>
#include <asm/facility.h>
#include <asm/kprobes.h>
#in... | arch/s390/kernel/uprobes.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Common Ultravisor functions and initialization
*
* Copyright IBM Corp. 2019, 2024
*/
#define pr_fmt(fmt) "prot_virt: " fmt
#include <linux/export.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/sizes.h>
#include <linux/bitmap.h>
#include <linux/membloc... | arch/s390/kernel/uv.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* vdso setup for s390
*
* Copyright IBM Corp. 2008
* Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com)
*/
#include <linux/binfmts.h>
#include <linux/elf.h>
#include <linux/errno.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <l... | arch/s390/kernel/vdso.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0-only
#include <linux/vmcore_info.h>
#include <linux/mm.h>
#include <asm/abs_lowcore.h>
#include <asm/sections.h>
#include <asm/setup.h>
void arch_crash_save_vmcoreinfo(void)
{
struct lowcore *abs_lc;
VMCOREINFO_SYMBOL(lowcore_ptr);
VMCOREINFO_SYMBOL(high_memory);
VMCOREINFO_LE... | arch/s390/kernel/vmcore_info.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/* ld script to make s390 Linux kernel
* Written by Martin Schwidefsky (schwidefsky@de.ibm.com)
*/
#include <asm/thread_info.h>
#include <asm/page.h>
#include <asm/ftrace.lds.h>
/*
* Put .bss..swapper_pg_dir as the first thing in .bss. This will
* make sure it has 16k alignm... | arch/s390/kernel/vmlinux.lds.S | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Virtual cpu timer based timer functions.
*
* Copyright IBM Corp. 2004, 2012
* Author(s): Jan Glauber <jan.glauber@de.ibm.com>
*/
#include <linux/kernel_stat.h>
#include <linux/export.h>
#include <linux/kernel.h>
#include <linux/timex.h>
#include <linux/types.h>
#i... | arch/s390/kernel/vtime.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Support for warning track interruption
*
* Copyright IBM Corp. 2023
*/
#include <linux/cpu.h>
#include <linux/debugfs.h>
#include <linux/kallsyms.h>
#include <linux/smpboot.h>
#include <linux/irq.h>
#include <uapi/linux/sched/types.h>
#include <asm/debug.h>
#include <asm/di... | arch/s390/kernel/wti.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Implementation of s390 diagnose codes
*
* Copyright IBM Corp. 2007
* Author(s): Michael Holzheu <holzheu@de.ibm.com>
*/
#include <linux/export.h>
#include <linux/init.h>
#include <linux/cpu.h>
#include <linux/seq_file.h>
#include <linux/debugfs.h>
#include <linux/vmalloc.h... | arch/s390/kernel/diag/diag.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Request memory topology information via diag0x310.
*
* Copyright IBM Corp. 2025
*/
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/uaccess.h>
#include <linux/vmalloc.h>
#include <asm/diag.h>
#include <asm/sclp.h>
#include <uapi/asm/diag.h>
#include "diag_... | arch/s390/kernel/diag/diag310.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Request power readings for resources in a computing environment via
* diag 0x324. diag 0x324 stores the power readings in the power information
* block (pib).
*
* Copyright IBM Corp. 2024
*/
#define pr_fmt(fmt) "diag324: " fmt
#include <linux/fs.h>
#include <linux/gfp.h>
... | arch/s390/kernel/diag/diag324.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef _DIAG_IOCTL_H
#define _DIAG_IOCTL_H
#include <linux/types.h>
long diag324_pibbuf(unsigned long arg);
long diag324_piblen(unsigned long arg);
long diag310_memtop_stride(unsigned long arg);
long diag310_memtop_len(unsigned long arg);
long diag310_memtop_buf(unsigned long ... | arch/s390/kernel/diag/diag_ioctl.h | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* Provide diagnose information via misc device /dev/diag.
*
* Copyright IBM Corp. 2024
*/
#include <linux/fs.h>
#include <linux/init.h>
#include <linux/ioctl.h>
#include <linux/kernel.h>
#include <linux/miscdevice.h>
#include <linux/types.h>
#include <uapi/asm/diag.h>
#inclu... | arch/s390/kernel/diag/diag_misc.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/* Copyright IBM Corp. 2020 */
#include <linux/compiler.h>
#include <asm/timex.h>
#include "vdso.h"
int __s390_vdso_getcpu(unsigned *cpu, unsigned *node, void *unused)
{
union tod_clock clk;
/* CPU number is stored in the programmable field of the TOD clock */
store_tod_clock_e... | arch/s390/kernel/vdso/getcpu.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* This supplies .note.* sections to go into the PT_NOTE inside the vDSO text.
* Here we can supply some information useful to userland.
*/
#include <linux/uts.h>
#include <linux/version.h>
#include <linux/elfnote.h>
ELFNOTE_START(Linux, 0, "a")
.long LINUX_VERSION_CODE
EL... | arch/s390/kernel/vdso/note.S | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ARCH_S390_KERNEL_VDSO_VDSO_H
#define __ARCH_S390_KERNEL_VDSO_VDSO_H
#include <vdso/datapage.h>
int __s390_vdso_getcpu(unsigned *cpu, unsigned *node, void *unused);
int __s390_vdso_gettimeofday(struct __kernel_old_timeval *tv, struct timezone *tz);
int __s390_vdso_clock... | arch/s390/kernel/vdso/vdso.h | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* This is the infamous ld script for the 64 bits vdso
* library
*/
#include <asm/vdso/vsyscall.h>
#include <asm/page.h>
#include <asm/vdso.h>
#include <asm-generic/vmlinux.lds.h>
#include <vdso/datapage.h>
OUTPUT_FORMAT("elf64-s390", "elf64-s390", "elf64-s390")
OUTPUT_ARCH... | arch/s390/kernel/vdso/vdso.lds.S | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
#include "../../../../lib/vdso/gettimeofday.c"
#include "vdso.h"
int __s390_vdso_gettimeofday(struct __kernel_old_timeval *tv,
struct timezone *tz)
{
return __cvdso_gettimeofday(tv, tz);
}
int __s390_vdso_clock_gettime(clockid_t clock, struct __kernel_timespec *ts)
{
retu... | arch/s390/kernel/vdso/vdso_generic.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#include <linux/linkage.h>
#include <asm/vdso.h>
#include <asm/unistd.h>
#include <asm/asm-offsets.h>
#include <asm/dwarf.h>
#include <asm/ptrace.h>
/*
* Older glibc version called vdso without allocating a stackframe. This wrapper
* is just used to allocate a stackframe. See
... | arch/s390/kernel/vdso/vdso_user_wrapper.S | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#include <linux/init.h>
#include <linux/linkage.h>
#include <asm/page.h>
__PAGE_ALIGNED_DATA
.globl vdso_start, vdso_end
.balign PAGE_SIZE
vdso_start:
.incbin "arch/s390/kernel/vdso/vdso.so"
.balign PAGE_SIZE
vdso_end:
.previous | arch/s390/kernel/vdso/vdso_wrapper.S | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
#include <linux/stringify.h>
#include <linux/linkage.h>
#include <asm/alternative.h>
#include <asm/dwarf.h>
#include <asm/fpu-insn.h>
#define STATE0 %v0
#define STATE1 %v1
#define STATE2 %v2
#define STATE3 %v3
#define COPY0 %v4
#define COPY1 %v5
#define COPY2 %v6
#define COPY3 %... | arch/s390/kernel/vdso/vgetrandom-chacha.S | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
#include <asm/facility.h>
#include <uapi/asm-generic/errno.h>
#include "vdso.h"
ssize_t __kernel_getrandom(void *buffer, size_t len, unsigned int flags, void *opaque_state, size_t opaque_len)
{
if (test_facility(129))
return __cvdso_getrandom(buffer, len, flags, opaque_state, op... | arch/s390/kernel/vdso/vgetrandom.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* KVM guest address space mapping code
*
* Copyright IBM Corp. 2007, 2020, 2024
* Author(s): Claudio Imbrenda <imbrenda@linux.ibm.com>
* Martin Schwidefsky <schwidefsky@de.ibm.com>
* David Hildenbrand <david@redhat.com>
* Janosch Frank <frankja@linux.ibm.com>
... | arch/s390/kvm/dat.c | null | null | null | null | null |
source | linux | /* SPDX-License-Identifier: GPL-2.0 */
/*
* KVM guest address space mapping code
*
* Copyright IBM Corp. 2024, 2025
* Author(s): Claudio Imbrenda <imbrenda@linux.ibm.com>
*/
#ifndef __KVM_S390_DAT_H
#define __KVM_S390_DAT_H
#include <linux/radix-tree.h>
#include <linux/refcount.h>
#include <linux/io.h>
#i... | arch/s390/kvm/dat.h | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* handling diagnose instructions
*
* Copyright IBM Corp. 2008, 2020
*
* Author(s): Carsten Otte <cotte@de.ibm.com>
* Christian Borntraeger <borntraeger@de.ibm.com>
*/
#include <linux/kvm.h>
#include <linux/kvm_host.h>
#include <asm/gmap_helpers.h>
#include... | arch/s390/kvm/diag.c | null | null | null | null | null |
source | linux | // SPDX-License-Identifier: GPL-2.0
/*
* KVM guest fault handling.
*
* Copyright IBM Corp. 2025
* Author(s): Claudio Imbrenda <imbrenda@linux.ibm.com>
*/
#include <linux/kvm_types.h>
#include <linux/kvm_host.h>
#include "gmap.h"
#include "trace.h"
#include "faultin.h"
bool kvm_arch_setup_async_pf(struct k... | arch/s390/kvm/faultin.c | null | null | null | null | null |
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