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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux

Browse Source 
Pull s390 update from Martin Schwidefsky:
 "The most prominent change in this patch set is the software dirty bit
  patch for s390.  It removes __HAVE_ARCH_PAGE_TEST_AND_CLEAR_DIRTY and
  the page_test_and_clear_dirty primitive which makes the common memory
  management code a bit less obscure.

  Heiko fixed most of the PCI related fallout, more often than not
  missing GENERIC_HARDIRQS dependencies.  Notable is one of the 3270
  patches which adds an export to tty_io to be able to resize a tty.

  The rest is the usual bunch of cleanups and bug fixes."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (42 commits)
  s390/module: Add missing R_390_NONE relocation type
  drivers/gpio: add missing GENERIC_HARDIRQ dependency
  drivers/input: add couple of missing GENERIC_HARDIRQS dependencies
  s390/cleanup: rename SPP to LPP
  s390/mm: implement software dirty bits
  s390/mm: Fix crst upgrade of mmap with MAP_FIXED
  s390/linker skript: discard exit.data at runtime
  drivers/media: add missing GENERIC_HARDIRQS dependency
  s390/bpf,jit: add vlan tag support
  drivers/net,AT91RM9200: add missing GENERIC_HARDIRQS dependency
  iucv: fix kernel panic at reboot
  s390/Kconfig: sort list of arch selected config options
  phylib: remove !S390 dependeny from Kconfig
  uio: remove !S390 dependency from Kconfig
  dasd: fix sysfs cleanup in dasd_generic_remove
  s390/pci: fix hotplug module init
  s390/pci: cleanup clp page allocation
  s390/pci: cleanup clp inline assembly
  s390/perf: cpum_cf: fallback to software sampling events
  s390/mm: provide PAGE_SHARED define
  ...
This commit is contained in:
Linus Torvalds
2013-02-21 17:54:03 -08:00
parent 48a732dfaa e80cfc31d8
commit 81ec44a6c6
82 changed files with 1216 additions and 930 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
arch/s390/kernel/debug.c
View File

@@ -867,7 +867,7 @@ static inline void
debug_finish_entry(debug_info_t * id, debug_entry_t* active, int level,
int exception)
{
active->id.stck = get_clock();
active->id.stck = get_tod_clock();
active->id.fields.cpuid = smp_processor_id();
active->caller = __builtin_return_address(0);
active->id.fields.exception = exception;

1
arch/s390/kernel/dis.c
View File

@@ -840,7 +840,6 @@ static struct insn opcode_b2[] = {
{ "stcke", 0x78, INSTR_S_RD },
{ "sacf", 0x79, INSTR_S_RD },
{ "stsi", 0x7d, INSTR_S_RD },
{ "spp", 0x80, INSTR_S_RD },
{ "srnm", 0x99, INSTR_S_RD },
{ "stfpc", 0x9c, INSTR_S_RD },
{ "lfpc", 0x9d, INSTR_S_RD },

8
arch/s390/kernel/early.c
View File

@@ -47,10 +47,10 @@ static void __init reset_tod_clock(void)
{
u64 time;
if (store_clock(&time) == 0)
if (store_tod_clock(&time) == 0)
return;
/* TOD clock not running. Set the clock to Unix Epoch. */
if (set_clock(TOD_UNIX_EPOCH) != 0 || store_clock(&time) != 0)
if (set_tod_clock(TOD_UNIX_EPOCH) != 0 || store_tod_clock(&time) != 0)
disabled_wait(0);
sched_clock_base_cc = TOD_UNIX_EPOCH;
@@ -173,7 +173,7 @@ static noinline __init void create_kernel_nss(void)
}
/* re-initialize cputime accounting. */
sched_clock_base_cc = get_clock();
sched_clock_base_cc = get_tod_clock();
S390_lowcore.last_update_clock = sched_clock_base_cc;
S390_lowcore.last_update_timer = 0x7fffffffffffffffULL;
S390_lowcore.user_timer = 0;
@@ -381,7 +381,7 @@ static __init void detect_machine_facilities(void)
if (test_facility(27))
S390_lowcore.machine_flags |= MACHINE_FLAG_MVCOS;
if (test_facility(40))
S390_lowcore.machine_flags |= MACHINE_FLAG_SPP;
S390_lowcore.machine_flags |= MACHINE_FLAG_LPP;
if (test_facility(50) && test_facility(73))
S390_lowcore.machine_flags |= MACHINE_FLAG_TE;
if (test_facility(66))

10
arch/s390/kernel/entry64.S
View File

@@ -72,9 +72,9 @@ _TIF_EXIT_SIE = (_TIF_SIGPENDING | _TIF_NEED_RESCHED | _TIF_MCCK_PENDING)
#endif
.endm
.macro SPP newpp
.macro LPP newpp
#if defined(CONFIG_KVM) || defined(CONFIG_KVM_MODULE)
tm __LC_MACHINE_FLAGS+6,0x20 # MACHINE_FLAG_SPP
tm __LC_MACHINE_FLAGS+6,0x20 # MACHINE_FLAG_LPP
jz .+8
.insn s,0xb2800000,\newpp
#endif
@@ -96,7 +96,7 @@ _TIF_EXIT_SIE = (_TIF_SIGPENDING | _TIF_NEED_RESCHED | _TIF_MCCK_PENDING)
jhe .+22
.endif
lg %r9,BASED(.Lsie_loop)
SPP BASED(.Lhost_id) # set host id
LPP BASED(.Lhost_id) # set host id
#endif
.endm
@@ -967,10 +967,10 @@ sie_loop:
lctlg %c1,%c1,__GMAP_ASCE(%r14) # load primary asce
sie_gmap:
lg %r14,__SF_EMPTY(%r15) # get control block pointer
SPP __SF_EMPTY(%r15) # set guest id
LPP __SF_EMPTY(%r15) # set guest id
sie 0(%r14)
sie_done:
SPP __SF_EMPTY+16(%r15) # set host id
LPP __SF_EMPTY+16(%r15) # set host id
lg %r14,__LC_THREAD_INFO # pointer thread_info struct
sie_exit:
lctlg %c1,%c1,__LC_USER_ASCE # load primary asce

16
arch/s390/kernel/ipl.c
View File

@@ -1414,6 +1414,16 @@ static struct kobj_attribute dump_type_attr =
static struct kset *dump_kset;
static void diag308_dump(void *dump_block)
{
diag308(DIAG308_SET, dump_block);
while (1) {
if (diag308(DIAG308_DUMP, NULL) != 0x302)
break;
udelay_simple(USEC_PER_SEC);
}
}
static void __dump_run(void *unused)
{
struct ccw_dev_id devid;
@@ -1432,12 +1442,10 @@ static void __dump_run(void *unused)
__cpcmd(buf, NULL, 0, NULL);
break;
case DUMP_METHOD_CCW_DIAG:
diag308(DIAG308_SET, dump_block_ccw);
diag308(DIAG308_DUMP, NULL);
diag308_dump(dump_block_ccw);
break;
case DUMP_METHOD_FCP_DIAG:
diag308(DIAG308_SET, dump_block_fcp);
diag308(DIAG308_DUMP, NULL);
diag308_dump(dump_block_fcp);
break;
default:
break;

143
arch/s390/kernel/module.c
View File

@@ -65,8 +65,7 @@ void module_free(struct module *mod, void *module_region)
vfree(module_region);
}
static void
check_rela(Elf_Rela *rela, struct module *me)
static void check_rela(Elf_Rela *rela, struct module *me)
{
struct mod_arch_syminfo *info;
@@ -115,9 +114,8 @@ check_rela(Elf_Rela *rela, struct module *me)
* Account for GOT and PLT relocations. We can't add sections for
* got and plt but we can increase the core module size.
*/
int
module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
char *secstrings, struct module *me)
int module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
char *secstrings, struct module *me)
{
Elf_Shdr *symtab;
Elf_Sym *symbols;
@@ -179,13 +177,52 @@ module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
return 0;
}
static int
apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab,
struct module *me)
static int apply_rela_bits(Elf_Addr loc, Elf_Addr val,
int sign, int bits, int shift)
{
unsigned long umax;
long min, max;
if (val & ((1UL << shift) - 1))
return -ENOEXEC;
if (sign) {
val = (Elf_Addr)(((long) val) >> shift);
min = -(1L << (bits - 1));
max = (1L << (bits - 1)) - 1;
if ((long) val < min || (long) val > max)
return -ENOEXEC;
} else {
val >>= shift;
umax = ((1UL << (bits - 1)) << 1) - 1;
if ((unsigned long) val > umax)
return -ENOEXEC;
}
if (bits == 8)
*(unsigned char *) loc = val;
else if (bits == 12)
*(unsigned short *) loc = (val & 0xfff) |
(*(unsigned short *) loc & 0xf000);
else if (bits == 16)
*(unsigned short *) loc = val;
else if (bits == 20)
*(unsigned int *) loc = (val & 0xfff) << 16 |
(val & 0xff000) >> 4 |
(*(unsigned int *) loc & 0xf00000ff);
else if (bits == 32)
*(unsigned int *) loc = val;
else if (bits == 64)
*(unsigned long *) loc = val;
return 0;
}
static int apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab,
const char *strtab, struct module *me)
{
struct mod_arch_syminfo *info;
Elf_Addr loc, val;
int r_type, r_sym;
int rc;
/* This is where to make the change */
loc = base + rela->r_offset;
@@ -197,6 +234,9 @@ apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab,
val = symtab[r_sym].st_value;
switch (r_type) {
case R_390_NONE: /* No relocation. */
rc = 0;
break;
case R_390_8: /* Direct 8 bit. */
case R_390_12: /* Direct 12 bit. */
case R_390_16: /* Direct 16 bit. */
@@ -205,20 +245,17 @@ apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab,
case R_390_64: /* Direct 64 bit. */
val += rela->r_addend;
if (r_type == R_390_8)
*(unsigned char *) loc = val;
rc = apply_rela_bits(loc, val, 0, 8, 0);
else if (r_type == R_390_12)
*(unsigned short *) loc = (val & 0xfff) |
(*(unsigned short *) loc & 0xf000);
rc = apply_rela_bits(loc, val, 0, 12, 0);
else if (r_type == R_390_16)
*(unsigned short *) loc = val;
rc = apply_rela_bits(loc, val, 0, 16, 0);
else if (r_type == R_390_20)
*(unsigned int *) loc =
(*(unsigned int *) loc & 0xf00000ff) |
(val & 0xfff) << 16 | (val & 0xff000) >> 4;
rc = apply_rela_bits(loc, val, 1, 20, 0);
else if (r_type == R_390_32)
*(unsigned int *) loc = val;
rc = apply_rela_bits(loc, val, 0, 32, 0);
else if (r_type == R_390_64)
*(unsigned long *) loc = val;
rc = apply_rela_bits(loc, val, 0, 64, 0);
break;
case R_390_PC16: /* PC relative 16 bit. */
case R_390_PC16DBL: /* PC relative 16 bit shifted by 1. */
@@ -227,15 +264,15 @@ apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab,
case R_390_PC64: /* PC relative 64 bit. */
val += rela->r_addend - loc;
if (r_type == R_390_PC16)
*(unsigned short *) loc = val;
rc = apply_rela_bits(loc, val, 1, 16, 0);
else if (r_type == R_390_PC16DBL)
*(unsigned short *) loc = val >> 1;
rc = apply_rela_bits(loc, val, 1, 16, 1);
else if (r_type == R_390_PC32DBL)
*(unsigned int *) loc = val >> 1;
rc = apply_rela_bits(loc, val, 1, 32, 1);
else if (r_type == R_390_PC32)
*(unsigned int *) loc = val;
rc = apply_rela_bits(loc, val, 1, 32, 0);
else if (r_type == R_390_PC64)
*(unsigned long *) loc = val;
rc = apply_rela_bits(loc, val, 1, 64, 0);
break;
case R_390_GOT12: /* 12 bit GOT offset. */
case R_390_GOT16: /* 16 bit GOT offset. */
@@ -260,26 +297,24 @@ apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab,
val = info->got_offset + rela->r_addend;
if (r_type == R_390_GOT12 ||
r_type == R_390_GOTPLT12)
*(unsigned short *) loc = (val & 0xfff) |
(*(unsigned short *) loc & 0xf000);
rc = apply_rela_bits(loc, val, 0, 12, 0);
else if (r_type == R_390_GOT16 ||
r_type == R_390_GOTPLT16)
*(unsigned short *) loc = val;
rc = apply_rela_bits(loc, val, 0, 16, 0);
else if (r_type == R_390_GOT20 ||
r_type == R_390_GOTPLT20)
*(unsigned int *) loc =
(*(unsigned int *) loc & 0xf00000ff) |
(val & 0xfff) << 16 | (val & 0xff000) >> 4;
rc = apply_rela_bits(loc, val, 1, 20, 0);
else if (r_type == R_390_GOT32 ||
r_type == R_390_GOTPLT32)
*(unsigned int *) loc = val;
else if (r_type == R_390_GOTENT ||
r_type == R_390_GOTPLTENT)
*(unsigned int *) loc =
(val + (Elf_Addr) me->module_core - loc) >> 1;
rc = apply_rela_bits(loc, val, 0, 32, 0);
else if (r_type == R_390_GOT64 ||
r_type == R_390_GOTPLT64)
*(unsigned long *) loc = val;
rc = apply_rela_bits(loc, val, 0, 64, 0);
else if (r_type == R_390_GOTENT ||
r_type == R_390_GOTPLTENT) {
val += (Elf_Addr) me->module_core - loc;
rc = apply_rela_bits(loc, val, 1, 32, 1);
}
break;
case R_390_PLT16DBL: /* 16 bit PC rel. PLT shifted by 1. */
case R_390_PLT32DBL: /* 32 bit PC rel. PLT shifted by 1. */
@@ -321,17 +356,17 @@ apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab,
val += rela->r_addend - loc;
}
if (r_type == R_390_PLT16DBL)
*(unsigned short *) loc = val >> 1;
rc = apply_rela_bits(loc, val, 1, 16, 1);
else if (r_type == R_390_PLTOFF16)
*(unsigned short *) loc = val;
rc = apply_rela_bits(loc, val, 0, 16, 0);
else if (r_type == R_390_PLT32DBL)
*(unsigned int *) loc = val >> 1;
rc = apply_rela_bits(loc, val, 1, 32, 1);
else if (r_type == R_390_PLT32 ||
r_type == R_390_PLTOFF32)
*(unsigned int *) loc = val;
rc = apply_rela_bits(loc, val, 0, 32, 0);
else if (r_type == R_390_PLT64 ||
r_type == R_390_PLTOFF64)
*(unsigned long *) loc = val;
rc = apply_rela_bits(loc, val, 0, 64, 0);
break;
case R_390_GOTOFF16: /* 16 bit offset to GOT. */
case R_390_GOTOFF32: /* 32 bit offset to GOT. */
@@ -339,20 +374,20 @@ apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab,
val = val + rela->r_addend -
((Elf_Addr) me->module_core + me->arch.got_offset);
if (r_type == R_390_GOTOFF16)
*(unsigned short *) loc = val;
rc = apply_rela_bits(loc, val, 0, 16, 0);
else if (r_type == R_390_GOTOFF32)
*(unsigned int *) loc = val;
rc = apply_rela_bits(loc, val, 0, 32, 0);
else if (r_type == R_390_GOTOFF64)
*(unsigned long *) loc = val;
rc = apply_rela_bits(loc, val, 0, 64, 0);
break;
case R_390_GOTPC: /* 32 bit PC relative offset to GOT. */
case R_390_GOTPCDBL: /* 32 bit PC rel. off. to GOT shifted by 1. */
val = (Elf_Addr) me->module_core + me->arch.got_offset +
rela->r_addend - loc;
if (r_type == R_390_GOTPC)
*(unsigned int *) loc = val;
rc = apply_rela_bits(loc, val, 1, 32, 0);
else if (r_type == R_390_GOTPCDBL)
*(unsigned int *) loc = val >> 1;
rc = apply_rela_bits(loc, val, 1, 32, 1);
break;
case R_390_COPY:
case R_390_GLOB_DAT: /* Create GOT entry. */
@@ -360,19 +395,25 @@ apply_rela(Elf_Rela *rela, Elf_Addr base, Elf_Sym *symtab,
case R_390_RELATIVE: /* Adjust by program base. */
/* Only needed if we want to support loading of
modules linked with -shared. */
break;
return -ENOEXEC;
default:
printk(KERN_ERR "module %s: Unknown relocation: %u\n",
printk(KERN_ERR "module %s: unknown relocation: %u\n",
me->name, r_type);
return -ENOEXEC;
}
if (rc) {
printk(KERN_ERR "module %s: relocation error for symbol %s "
"(r_type %i, value 0x%lx)\n",
me->name, strtab + symtab[r_sym].st_name,
r_type, (unsigned long) val);
return rc;
}
return 0;
}
int
apply_relocate_add(Elf_Shdr *sechdrs, const char *strtab,
unsigned int symindex, unsigned int relsec,
struct module *me)
int apply_relocate_add(Elf_Shdr *sechdrs, const char *strtab,
unsigned int symindex, unsigned int relsec,
struct module *me)
{
Elf_Addr base;
Elf_Sym *symtab;
@@ -388,7 +429,7 @@ apply_relocate_add(Elf_Shdr *sechdrs, const char *strtab,
n = sechdrs[relsec].sh_size / sizeof(Elf_Rela);
for (i = 0; i < n; i++, rela++) {
rc = apply_rela(rela, base, symtab, me);
rc = apply_rela(rela, base, symtab, strtab, me);
if (rc)
return rc;
}

2
arch/s390/kernel/nmi.c
View File

@@ -293,7 +293,7 @@ void notrace s390_do_machine_check(struct pt_regs *regs)
* retry this instruction.
*/
spin_lock(&ipd_lock);
tmp = get_clock();
tmp = get_tod_clock();
if (((tmp - last_ipd) >> 12) < MAX_IPD_TIME)
ipd_count++;
else

13
arch/s390/kernel/perf_cpum_cf.c
View File

@@ -367,13 +367,6 @@ static int __hw_perf_event_init(struct perf_event *event)
if (ev >= PERF_CPUM_CF_MAX_CTR)
return -EINVAL;
/* The CPU measurement counter facility does not have any interrupts
* to do sampling. Sampling must be provided by external means,
* for example, by timers.
*/
if (hwc->sample_period)
return -EINVAL;
/* Use the hardware perf event structure to store the counter number
* in 'config' member and the counter set to which the counter belongs
* in the 'config_base'. The counter set (config_base) is then used
@@ -418,6 +411,12 @@ static int cpumf_pmu_event_init(struct perf_event *event)
case PERF_TYPE_HARDWARE:
case PERF_TYPE_HW_CACHE:
case PERF_TYPE_RAW:
/* The CPU measurement counter facility does not have overflow
* interrupts to do sampling. Sampling must be provided by
* external means, for example, by timers.
*/
if (is_sampling_event(event))
return -ENOENT;
err = __hw_perf_event_init(event);
break;
default:

10
arch/s390/kernel/smp.c
View File

@@ -365,16 +365,16 @@ void smp_emergency_stop(cpumask_t *cpumask)
u64 end;
int cpu;
end = get_clock() + (1000000UL << 12);
end = get_tod_clock() + (1000000UL << 12);
for_each_cpu(cpu, cpumask) {
struct pcpu *pcpu = pcpu_devices + cpu;
set_bit(ec_stop_cpu, &pcpu->ec_mask);
while (__pcpu_sigp(pcpu->address, SIGP_EMERGENCY_SIGNAL,
0, NULL) == SIGP_CC_BUSY &&
get_clock() < end)
get_tod_clock() < end)
cpu_relax();
}
while (get_clock() < end) {
while (get_tod_clock() < end) {
for_each_cpu(cpu, cpumask)
if (pcpu_stopped(pcpu_devices + cpu))
cpumask_clear_cpu(cpu, cpumask);
@@ -694,7 +694,7 @@ static void __init smp_detect_cpus(void)
*/
static void __cpuinit smp_start_secondary(void *cpuvoid)
{
S390_lowcore.last_update_clock = get_clock();
S390_lowcore.last_update_clock = get_tod_clock();
S390_lowcore.restart_stack = (unsigned long) restart_stack;
S390_lowcore.restart_fn = (unsigned long) do_restart;
S390_lowcore.restart_data = 0;
@@ -947,7 +947,7 @@ static ssize_t show_idle_time(struct device *dev,
unsigned int sequence;
do {
now = get_clock();
now = get_tod_clock();
sequence = ACCESS_ONCE(idle->sequence);
idle_time = ACCESS_ONCE(idle->idle_time);
idle_enter = ACCESS_ONCE(idle->clock_idle_enter);

26
arch/s390/kernel/time.c
View File

@@ -63,7 +63,7 @@ static DEFINE_PER_CPU(struct clock_event_device, comparators);
*/
unsigned long long notrace __kprobes sched_clock(void)
{
return tod_to_ns(get_clock_monotonic());
return tod_to_ns(get_tod_clock_monotonic());
}
/*
@@ -194,7 +194,7 @@ static void stp_reset(void);
void read_persistent_clock(struct timespec *ts)
{
tod_to_timeval(get_clock() - TOD_UNIX_EPOCH, ts);
tod_to_timeval(get_tod_clock() - TOD_UNIX_EPOCH, ts);
}
void read_boot_clock(struct timespec *ts)
@@ -204,7 +204,7 @@ void read_boot_clock(struct timespec *ts)
static cycle_t read_tod_clock(struct clocksource *cs)
{
return get_clock();
return get_tod_clock();
}
static struct clocksource clocksource_tod = {
@@ -342,7 +342,7 @@ int get_sync_clock(unsigned long long *clock)
sw_ptr = &get_cpu_var(clock_sync_word);
sw0 = atomic_read(sw_ptr);
*clock = get_clock();
*clock = get_tod_clock();
sw1 = atomic_read(sw_ptr);
put_cpu_var(clock_sync_word);
if (sw0 == sw1 && (sw0 & 0x80000000U))
@@ -486,7 +486,7 @@ static void etr_reset(void)
.p0 = 0, .p1 = 0, ._pad1 = 0, .ea = 0,
.es = 0, .sl = 0 };
if (etr_setr(&etr_eacr) == 0) {
etr_tolec = get_clock();
etr_tolec = get_tod_clock();
set_bit(CLOCK_SYNC_HAS_ETR, &clock_sync_flags);
if (etr_port0_online && etr_port1_online)
set_bit(CLOCK_SYNC_ETR, &clock_sync_flags);
@@ -768,8 +768,8 @@ static int etr_sync_clock(void *data)
__ctl_set_bit(14, 21);
__ctl_set_bit(0, 29);
clock = ((unsigned long long) (aib->edf2.etv + 1)) << 32;
old_clock = get_clock();
if (set_clock(clock) == 0) {
old_clock = get_tod_clock();
if (set_tod_clock(clock) == 0) {
__udelay(1); /* Wait for the clock to start. */
__ctl_clear_bit(0, 29);
__ctl_clear_bit(14, 21);
@@ -845,7 +845,7 @@ static struct etr_eacr etr_handle_events(struct etr_eacr eacr)
* assume that this can have caused an stepping
* port switch.
*/
etr_tolec = get_clock();
etr_tolec = get_tod_clock();
eacr.p0 = etr_port0_online;
if (!eacr.p0)
eacr.e0 = 0;
@@ -858,7 +858,7 @@ static struct etr_eacr etr_handle_events(struct etr_eacr eacr)
* assume that this can have caused an stepping
* port switch.
*/
etr_tolec = get_clock();
etr_tolec = get_tod_clock();
eacr.p1 = etr_port1_online;
if (!eacr.p1)
eacr.e1 = 0;
@@ -974,7 +974,7 @@ static void etr_update_eacr(struct etr_eacr eacr)
etr_eacr = eacr;
etr_setr(&etr_eacr);
if (dp_changed)
etr_tolec = get_clock();
etr_tolec = get_tod_clock();
}
/*
@@ -1012,7 +1012,7 @@ static void etr_work_fn(struct work_struct *work)
/* Store aib to get the current ETR status word. */
BUG_ON(etr_stetr(&aib) != 0);
etr_port0.esw = etr_port1.esw = aib.esw; /* Copy status word. */
now = get_clock();
now = get_tod_clock();
/*
* Update the port information if the last stepping port change
@@ -1537,10 +1537,10 @@ static int stp_sync_clock(void *data)
if (stp_info.todoff[0] || stp_info.todoff[1] ||
stp_info.todoff[2] || stp_info.todoff[3] ||
stp_info.tmd != 2) {
old_clock = get_clock();
old_clock = get_tod_clock();
rc = chsc_sstpc(stp_page, STP_OP_SYNC, 0);
if (rc == 0) {
delta = adjust_time(old_clock, get_clock(), 0);
delta = adjust_time(old_clock, get_tod_clock(), 0);
fixup_clock_comparator(delta);
rc = chsc_sstpi(stp_page, &stp_info,
sizeof(struct stp_sstpi));

4
arch/s390/kernel/vmlinux.lds.S
View File

@@ -75,6 +75,10 @@ SECTIONS
EXIT_TEXT
}
.exit.data : {
EXIT_DATA
}
/* early.c uses stsi, which requires page aligned data. */
. = ALIGN(PAGE_SIZE);
INIT_DATA_SECTION(0x100)

2
arch/s390/kernel/vtime.c
View File

@@ -191,7 +191,7 @@ cputime64_t s390_get_idle_time(int cpu)
unsigned int sequence;
do {
now = get_clock();
now = get_tod_clock();
sequence = ACCESS_ONCE(idle->sequence);
idle_enter = ACCESS_ONCE(idle->clock_idle_enter);
idle_exit = ACCESS_ONCE(idle->clock_idle_exit);