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-rw-r--r--arch/ia64/Kconfig3
-rw-r--r--arch/ia64/configs/zx1_defconfig1
-rw-r--r--arch/ia64/include/asm/elf.h2
-rw-r--r--arch/ia64/include/asm/pgtable.h1
-rw-r--r--arch/ia64/include/asm/processor.h4
-rw-r--r--arch/ia64/include/asm/sal.h2
-rw-r--r--arch/ia64/include/asm/sections.h24
-rw-r--r--arch/ia64/include/asm/thread_info.h8
-rw-r--r--arch/ia64/include/asm/uaccess.h26
-rw-r--r--arch/ia64/include/asm/xor.h21
-rw-r--r--arch/ia64/include/uapi/asm/signal.h2
-rw-r--r--arch/ia64/kernel/module.c6
-rw-r--r--arch/ia64/kernel/topology.c10
-rw-r--r--arch/ia64/kernel/unaligned.c60
-rw-r--r--arch/ia64/mm/discontig.c11
15 files changed, 78 insertions, 103 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index a7e01573abd8..cb93769a9f2a 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -8,6 +8,7 @@ menu "Processor type and features"
config IA64
bool
+ select ARCH_BINFMT_ELF_EXTRA_PHDRS
select ARCH_HAS_DMA_MARK_CLEAN
select ARCH_HAS_STRNCPY_FROM_USER
select ARCH_HAS_STRNLEN_USER
@@ -35,6 +36,7 @@ config IA64
select HAVE_SETUP_PER_CPU_AREA
select TTY
select HAVE_ARCH_TRACEHOOK
+ select HAVE_FUNCTION_DESCRIPTORS
select HAVE_VIRT_CPU_ACCOUNTING
select HUGETLB_PAGE_SIZE_VARIABLE if HUGETLB_PAGE
select VIRT_TO_BUS
@@ -61,7 +63,6 @@ config IA64
select NEED_SG_DMA_LENGTH
select NUMA if !FLATMEM
select PCI_MSI_ARCH_FALLBACKS if PCI_MSI
- select SET_FS
select ZONE_DMA32
default y
help
diff --git a/arch/ia64/configs/zx1_defconfig b/arch/ia64/configs/zx1_defconfig
index 629cb9cdf723..851d8594cdb8 100644
--- a/arch/ia64/configs/zx1_defconfig
+++ b/arch/ia64/configs/zx1_defconfig
@@ -106,7 +106,6 @@ CONFIG_HUGETLBFS=y
CONFIG_NFS_FS=y
CONFIG_NFS_V4=y
CONFIG_NFSD=y
-CONFIG_NFSD_V3=y
CONFIG_NLS_CODEPAGE_437=y
CONFIG_NLS_CODEPAGE_737=y
CONFIG_NLS_CODEPAGE_775=y
diff --git a/arch/ia64/include/asm/elf.h b/arch/ia64/include/asm/elf.h
index 6629301a2620..2ef5f9966ad1 100644
--- a/arch/ia64/include/asm/elf.h
+++ b/arch/ia64/include/asm/elf.h
@@ -226,7 +226,7 @@ struct got_entry {
* Layout of the Function Descriptor
*/
struct fdesc {
- uint64_t ip;
+ uint64_t addr;
uint64_t gp;
};
diff --git a/arch/ia64/include/asm/pgtable.h b/arch/ia64/include/asm/pgtable.h
index 9584b2c5f394..7aa8f2330fb1 100644
--- a/arch/ia64/include/asm/pgtable.h
+++ b/arch/ia64/include/asm/pgtable.h
@@ -267,6 +267,7 @@ ia64_phys_addr_valid (unsigned long addr)
#define pmd_present(pmd) (pmd_val(pmd) != 0UL)
#define pmd_clear(pmdp) (pmd_val(*(pmdp)) = 0UL)
#define pmd_page_vaddr(pmd) ((unsigned long) __va(pmd_val(pmd) & _PFN_MASK))
+#define pmd_pfn(pmd) ((pmd_val(pmd) & _PFN_MASK) >> PAGE_SHIFT)
#define pmd_page(pmd) virt_to_page((pmd_val(pmd) + PAGE_OFFSET))
#define pud_none(pud) (!pud_val(pud))
diff --git a/arch/ia64/include/asm/processor.h b/arch/ia64/include/asm/processor.h
index 45365c2ef598..7cbce290f4e5 100644
--- a/arch/ia64/include/asm/processor.h
+++ b/arch/ia64/include/asm/processor.h
@@ -243,10 +243,6 @@ DECLARE_PER_CPU(struct cpuinfo_ia64, ia64_cpu_info);
extern void print_cpu_info (struct cpuinfo_ia64 *);
-typedef struct {
- unsigned long seg;
-} mm_segment_t;
-
#define SET_UNALIGN_CTL(task,value) \
({ \
(task)->thread.flags = (((task)->thread.flags & ~IA64_THREAD_UAC_MASK) \
diff --git a/arch/ia64/include/asm/sal.h b/arch/ia64/include/asm/sal.h
index 78f4f7b40435..22749a201e92 100644
--- a/arch/ia64/include/asm/sal.h
+++ b/arch/ia64/include/asm/sal.h
@@ -420,7 +420,7 @@ typedef struct sal_log_processor_info {
* The rest of this structure consists of variable-length arrays, which can't be
* expressed in C.
*/
- sal_log_mod_error_info_t info[0];
+ sal_log_mod_error_info_t info[];
/*
* This is what the rest looked like if C supported variable-length arrays:
*
diff --git a/arch/ia64/include/asm/sections.h b/arch/ia64/include/asm/sections.h
index 3a033d2008b3..8e0875cf6071 100644
--- a/arch/ia64/include/asm/sections.h
+++ b/arch/ia64/include/asm/sections.h
@@ -9,6 +9,9 @@
#include <linux/elf.h>
#include <linux/uaccess.h>
+
+typedef struct fdesc func_desc_t;
+
#include <asm-generic/sections.h>
extern char __phys_per_cpu_start[];
@@ -27,25 +30,4 @@ extern char __start_gate_brl_fsys_bubble_down_patchlist[], __end_gate_brl_fsys_b
extern char __start_unwind[], __end_unwind[];
extern char __start_ivt_text[], __end_ivt_text[];
-#define HAVE_DEREFERENCE_FUNCTION_DESCRIPTOR 1
-
-#undef dereference_function_descriptor
-static inline void *dereference_function_descriptor(void *ptr)
-{
- struct fdesc *desc = ptr;
- void *p;
-
- if (!get_kernel_nofault(p, (void *)&desc->ip))
- ptr = p;
- return ptr;
-}
-
-#undef dereference_kernel_function_descriptor
-static inline void *dereference_kernel_function_descriptor(void *ptr)
-{
- if (ptr < (void *)__start_opd || ptr >= (void *)__end_opd)
- return ptr;
- return dereference_function_descriptor(ptr);
-}
-
#endif /* _ASM_IA64_SECTIONS_H */
diff --git a/arch/ia64/include/asm/thread_info.h b/arch/ia64/include/asm/thread_info.h
index 51d20cb37706..21b257117e0a 100644
--- a/arch/ia64/include/asm/thread_info.h
+++ b/arch/ia64/include/asm/thread_info.h
@@ -27,7 +27,6 @@ struct thread_info {
__u32 cpu; /* current CPU */
__u32 last_cpu; /* Last CPU thread ran on */
__u32 status; /* Thread synchronous flags */
- mm_segment_t addr_limit; /* user-level address space limit */
int preempt_count; /* 0=premptable, <0=BUG; will also serve as bh-counter */
#ifdef CONFIG_VIRT_CPU_ACCOUNTING_NATIVE
__u64 utime;
@@ -48,22 +47,21 @@ struct thread_info {
.task = &tsk, \
.flags = 0, \
.cpu = 0, \
- .addr_limit = KERNEL_DS, \
.preempt_count = INIT_PREEMPT_COUNT, \
}
#ifndef ASM_OFFSETS_C
/* how to get the thread information struct from C */
#define current_thread_info() ((struct thread_info *) ((char *) current + IA64_TASK_SIZE))
-#define alloc_thread_stack_node(tsk, node) \
+#define arch_alloc_thread_stack_node(tsk, node) \
((unsigned long *) ((char *) (tsk) + IA64_TASK_SIZE))
#define task_thread_info(tsk) ((struct thread_info *) ((char *) (tsk) + IA64_TASK_SIZE))
#else
#define current_thread_info() ((struct thread_info *) 0)
-#define alloc_thread_stack_node(tsk, node) ((unsigned long *) 0)
+#define arch_alloc_thread_stack_node(tsk, node) ((unsigned long *) 0)
#define task_thread_info(tsk) ((struct thread_info *) 0)
#endif
-#define free_thread_stack(tsk) /* nothing */
+#define arch_free_thread_stack(tsk) /* nothing */
#define task_stack_page(tsk) ((void *)(tsk))
#define __HAVE_THREAD_FUNCTIONS
diff --git a/arch/ia64/include/asm/uaccess.h b/arch/ia64/include/asm/uaccess.h
index e19d2dcc0ced..60adadeb3e9e 100644
--- a/arch/ia64/include/asm/uaccess.h
+++ b/arch/ia64/include/asm/uaccess.h
@@ -42,30 +42,20 @@
#include <asm/extable.h>
/*
- * For historical reasons, the following macros are grossly misnamed:
- */
-#define KERNEL_DS ((mm_segment_t) { ~0UL }) /* cf. access_ok() */
-#define USER_DS ((mm_segment_t) { TASK_SIZE-1 }) /* cf. access_ok() */
-
-#define get_fs() (current_thread_info()->addr_limit)
-#define set_fs(x) (current_thread_info()->addr_limit = (x))
-
-#define uaccess_kernel() (get_fs().seg == KERNEL_DS.seg)
-
-/*
- * When accessing user memory, we need to make sure the entire area really is in
- * user-level space. In order to do this efficiently, we make sure that the page at
- * address TASK_SIZE is never valid. We also need to make sure that the address doesn't
+ * When accessing user memory, we need to make sure the entire area really is
+ * in user-level space. We also need to make sure that the address doesn't
* point inside the virtually mapped linear page table.
*/
static inline int __access_ok(const void __user *p, unsigned long size)
{
+ unsigned long limit = TASK_SIZE;
unsigned long addr = (unsigned long)p;
- unsigned long seg = get_fs().seg;
- return likely(addr <= seg) &&
- (seg == KERNEL_DS.seg || likely(REGION_OFFSET(addr) < RGN_MAP_LIMIT));
+
+ return likely((size <= limit) && (addr <= (limit - size)) &&
+ likely(REGION_OFFSET(addr) < RGN_MAP_LIMIT));
}
-#define access_ok(addr, size) __access_ok((addr), (size))
+#define __access_ok __access_ok
+#include <asm-generic/access_ok.h>
/*
* These are the main single-value transfer routines. They automatically
diff --git a/arch/ia64/include/asm/xor.h b/arch/ia64/include/asm/xor.h
index 673051bf9d7d..6785f70d3208 100644
--- a/arch/ia64/include/asm/xor.h
+++ b/arch/ia64/include/asm/xor.h
@@ -4,13 +4,20 @@
*/
-extern void xor_ia64_2(unsigned long, unsigned long *, unsigned long *);
-extern void xor_ia64_3(unsigned long, unsigned long *, unsigned long *,
- unsigned long *);
-extern void xor_ia64_4(unsigned long, unsigned long *, unsigned long *,
- unsigned long *, unsigned long *);
-extern void xor_ia64_5(unsigned long, unsigned long *, unsigned long *,
- unsigned long *, unsigned long *, unsigned long *);
+extern void xor_ia64_2(unsigned long bytes, unsigned long * __restrict p1,
+ const unsigned long * __restrict p2);
+extern void xor_ia64_3(unsigned long bytes, unsigned long * __restrict p1,
+ const unsigned long * __restrict p2,
+ const unsigned long * __restrict p3);
+extern void xor_ia64_4(unsigned long bytes, unsigned long * __restrict p1,
+ const unsigned long * __restrict p2,
+ const unsigned long * __restrict p3,
+ const unsigned long * __restrict p4);
+extern void xor_ia64_5(unsigned long bytes, unsigned long * __restrict p1,
+ const unsigned long * __restrict p2,
+ const unsigned long * __restrict p3,
+ const unsigned long * __restrict p4,
+ const unsigned long * __restrict p5);
static struct xor_block_template xor_block_ia64 = {
.name = "ia64",
diff --git a/arch/ia64/include/uapi/asm/signal.h b/arch/ia64/include/uapi/asm/signal.h
index 38166a88e4c9..63d574e802a2 100644
--- a/arch/ia64/include/uapi/asm/signal.h
+++ b/arch/ia64/include/uapi/asm/signal.h
@@ -90,7 +90,7 @@ struct siginfo;
typedef struct sigaltstack {
void __user *ss_sp;
int ss_flags;
- size_t ss_size;
+ __kernel_size_t ss_size;
} stack_t;
diff --git a/arch/ia64/kernel/module.c b/arch/ia64/kernel/module.c
index 360f36b0eb3f..8f62cf97f691 100644
--- a/arch/ia64/kernel/module.c
+++ b/arch/ia64/kernel/module.c
@@ -602,15 +602,15 @@ get_fdesc (struct module *mod, uint64_t value, int *okp)
return value;
/* Look for existing function descriptor. */
- while (fdesc->ip) {
- if (fdesc->ip == value)
+ while (fdesc->addr) {
+ if (fdesc->addr == value)
return (uint64_t)fdesc;
if ((uint64_t) ++fdesc >= mod->arch.opd->sh_addr + mod->arch.opd->sh_size)
BUG();
}
/* Create new one */
- fdesc->ip = value;
+ fdesc->addr = value;
fdesc->gp = mod->arch.gp;
return (uint64_t) fdesc;
}
diff --git a/arch/ia64/kernel/topology.c b/arch/ia64/kernel/topology.c
index e4992917a24b..94a848b06f15 100644
--- a/arch/ia64/kernel/topology.c
+++ b/arch/ia64/kernel/topology.c
@@ -70,16 +70,6 @@ static int __init topology_init(void)
{
int i, err = 0;
-#ifdef CONFIG_NUMA
- /*
- * MCD - Do we want to register all ONLINE nodes, or all POSSIBLE nodes?
- */
- for_each_online_node(i) {
- if ((err = register_one_node(i)))
- goto out;
- }
-#endif
-
sysfs_cpus = kcalloc(NR_CPUS, sizeof(struct ia64_cpu), GFP_KERNEL);
if (!sysfs_cpus)
panic("kzalloc in topology_init failed - NR_CPUS too big?");
diff --git a/arch/ia64/kernel/unaligned.c b/arch/ia64/kernel/unaligned.c
index 6c1a8951dfbb..0acb5a0cd7ab 100644
--- a/arch/ia64/kernel/unaligned.c
+++ b/arch/ia64/kernel/unaligned.c
@@ -749,9 +749,25 @@ emulate_load_updates (update_t type, load_store_t ld, struct pt_regs *regs, unsi
}
}
+static int emulate_store(unsigned long ifa, void *val, int len, bool kernel_mode)
+{
+ if (kernel_mode)
+ return copy_to_kernel_nofault((void *)ifa, val, len);
+
+ return copy_to_user((void __user *)ifa, val, len);
+}
+
+static int emulate_load(void *val, unsigned long ifa, int len, bool kernel_mode)
+{
+ if (kernel_mode)
+ return copy_from_kernel_nofault(val, (void *)ifa, len);
+
+ return copy_from_user(val, (void __user *)ifa, len);
+}
static int
-emulate_load_int (unsigned long ifa, load_store_t ld, struct pt_regs *regs)
+emulate_load_int (unsigned long ifa, load_store_t ld, struct pt_regs *regs,
+ bool kernel_mode)
{
unsigned int len = 1 << ld.x6_sz;
unsigned long val = 0;
@@ -774,7 +790,7 @@ emulate_load_int (unsigned long ifa, load_store_t ld, struct pt_regs *regs)
return -1;
}
/* this assumes little-endian byte-order: */
- if (copy_from_user(&val, (void __user *) ifa, len))
+ if (emulate_load(&val, ifa, len, kernel_mode))
return -1;
setreg(ld.r1, val, 0, regs);
@@ -872,7 +888,8 @@ emulate_load_int (unsigned long ifa, load_store_t ld, struct pt_regs *regs)
}
static int
-emulate_store_int (unsigned long ifa, load_store_t ld, struct pt_regs *regs)
+emulate_store_int (unsigned long ifa, load_store_t ld, struct pt_regs *regs,
+ bool kernel_mode)
{
unsigned long r2;
unsigned int len = 1 << ld.x6_sz;
@@ -901,7 +918,7 @@ emulate_store_int (unsigned long ifa, load_store_t ld, struct pt_regs *regs)
}
/* this assumes little-endian byte-order: */
- if (copy_to_user((void __user *) ifa, &r2, len))
+ if (emulate_store(ifa, &r2, len, kernel_mode))
return -1;
/*
@@ -1021,7 +1038,7 @@ float2mem_double (struct ia64_fpreg *init, struct ia64_fpreg *final)
}
static int
-emulate_load_floatpair (unsigned long ifa, load_store_t ld, struct pt_regs *regs)
+emulate_load_floatpair (unsigned long ifa, load_store_t ld, struct pt_regs *regs, bool kernel_mode)
{
struct ia64_fpreg fpr_init[2];
struct ia64_fpreg fpr_final[2];
@@ -1050,8 +1067,8 @@ emulate_load_floatpair (unsigned long ifa, load_store_t ld, struct pt_regs *regs
* This assumes little-endian byte-order. Note that there is no "ldfpe"
* instruction:
*/
- if (copy_from_user(&fpr_init[0], (void __user *) ifa, len)
- || copy_from_user(&fpr_init[1], (void __user *) (ifa + len), len))
+ if (emulate_load(&fpr_init[0], ifa, len, kernel_mode)
+ || emulate_load(&fpr_init[1], (ifa + len), len, kernel_mode))
return -1;
DPRINT("ld.r1=%d ld.imm=%d x6_sz=%d\n", ld.r1, ld.imm, ld.x6_sz);
@@ -1126,7 +1143,8 @@ emulate_load_floatpair (unsigned long ifa, load_store_t ld, struct pt_regs *regs
static int
-emulate_load_float (unsigned long ifa, load_store_t ld, struct pt_regs *regs)
+emulate_load_float (unsigned long ifa, load_store_t ld, struct pt_regs *regs,
+ bool kernel_mode)
{
struct ia64_fpreg fpr_init;
struct ia64_fpreg fpr_final;
@@ -1152,7 +1170,7 @@ emulate_load_float (unsigned long ifa, load_store_t ld, struct pt_regs *regs)
* See comments in ldX for descriptions on how the various loads are handled.
*/
if (ld.x6_op != 0x2) {
- if (copy_from_user(&fpr_init, (void __user *) ifa, len))
+ if (emulate_load(&fpr_init, ifa, len, kernel_mode))
return -1;
DPRINT("ld.r1=%d x6_sz=%d\n", ld.r1, ld.x6_sz);
@@ -1202,7 +1220,8 @@ emulate_load_float (unsigned long ifa, load_store_t ld, struct pt_regs *regs)
static int
-emulate_store_float (unsigned long ifa, load_store_t ld, struct pt_regs *regs)
+emulate_store_float (unsigned long ifa, load_store_t ld, struct pt_regs *regs,
+ bool kernel_mode)
{
struct ia64_fpreg fpr_init;
struct ia64_fpreg fpr_final;
@@ -1244,7 +1263,7 @@ emulate_store_float (unsigned long ifa, load_store_t ld, struct pt_regs *regs)
DDUMP("fpr_init =", &fpr_init, len);
DDUMP("fpr_final =", &fpr_final, len);
- if (copy_to_user((void __user *) ifa, &fpr_final, len))
+ if (emulate_store(ifa, &fpr_final, len, kernel_mode))
return -1;
/*
@@ -1295,7 +1314,6 @@ void
ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
{
struct ia64_psr *ipsr = ia64_psr(regs);
- mm_segment_t old_fs = get_fs();
unsigned long bundle[2];
unsigned long opcode;
const struct exception_table_entry *eh = NULL;
@@ -1304,6 +1322,7 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
load_store_t insn;
} u;
int ret = -1;
+ bool kernel_mode = false;
if (ia64_psr(regs)->be) {
/* we don't support big-endian accesses */
@@ -1367,13 +1386,13 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
if (unaligned_dump_stack)
dump_stack();
}
- set_fs(KERNEL_DS);
+ kernel_mode = true;
}
DPRINT("iip=%lx ifa=%lx isr=%lx (ei=%d, sp=%d)\n",
regs->cr_iip, ifa, regs->cr_ipsr, ipsr->ri, ipsr->it);
- if (__copy_from_user(bundle, (void __user *) regs->cr_iip, 16))
+ if (emulate_load(bundle, regs->cr_iip, 16, kernel_mode))
goto failure;
/*
@@ -1467,7 +1486,7 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
case LDCCLR_IMM_OP:
case LDCNC_IMM_OP:
case LDCCLRACQ_IMM_OP:
- ret = emulate_load_int(ifa, u.insn, regs);
+ ret = emulate_load_int(ifa, u.insn, regs, kernel_mode);
break;
case ST_OP:
@@ -1478,7 +1497,7 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
fallthrough;
case ST_IMM_OP:
case STREL_IMM_OP:
- ret = emulate_store_int(ifa, u.insn, regs);
+ ret = emulate_store_int(ifa, u.insn, regs, kernel_mode);
break;
case LDF_OP:
@@ -1486,21 +1505,21 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
case LDFCCLR_OP:
case LDFCNC_OP:
if (u.insn.x)
- ret = emulate_load_floatpair(ifa, u.insn, regs);
+ ret = emulate_load_floatpair(ifa, u.insn, regs, kernel_mode);
else
- ret = emulate_load_float(ifa, u.insn, regs);
+ ret = emulate_load_float(ifa, u.insn, regs, kernel_mode);
break;
case LDF_IMM_OP:
case LDFA_IMM_OP:
case LDFCCLR_IMM_OP:
case LDFCNC_IMM_OP:
- ret = emulate_load_float(ifa, u.insn, regs);
+ ret = emulate_load_float(ifa, u.insn, regs, kernel_mode);
break;
case STF_OP:
case STF_IMM_OP:
- ret = emulate_store_float(ifa, u.insn, regs);
+ ret = emulate_store_float(ifa, u.insn, regs, kernel_mode);
break;
default:
@@ -1521,7 +1540,6 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
DPRINT("ipsr->ri=%d iip=%lx\n", ipsr->ri, regs->cr_iip);
done:
- set_fs(old_fs); /* restore original address limit */
return;
failure:
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index 791d4176e4a6..73d0db36edb6 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -608,17 +608,11 @@ void __init paging_init(void)
zero_page_memmap_ptr = virt_to_page(ia64_imva(empty_zero_page));
}
-#ifdef CONFIG_MEMORY_HOTPLUG
-pg_data_t *arch_alloc_nodedata(int nid)
+pg_data_t * __init arch_alloc_nodedata(int nid)
{
unsigned long size = compute_pernodesize(nid);
- return kzalloc(size, GFP_KERNEL);
-}
-
-void arch_free_nodedata(pg_data_t *pgdat)
-{
- kfree(pgdat);
+ return memblock_alloc(size, SMP_CACHE_BYTES);
}
void arch_refresh_nodedata(int update_node, pg_data_t *update_pgdat)
@@ -626,7 +620,6 @@ void arch_refresh_nodedata(int update_node, pg_data_t *update_pgdat)
pgdat_list[update_node] = update_pgdat;
scatter_node_data();
}
-#endif
#ifdef CONFIG_SPARSEMEM_VMEMMAP
int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node,
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-21 20:13:52 +0300