svn commit: r328515 - in stable/11/sys: conf contrib/ck contrib/ck/include contrib/ck/include/gcc contrib/ck/include/gcc/aarch64 contrib/ck/include/gcc/arm contrib/ck/include/gcc/ppc64 contrib/ck/i...
Olivier Houchard
cognet at FreeBSD.org
Sun Jan 28 18:38:18 UTC 2018
Author: cognet
Date: Sun Jan 28 18:38:17 2018
New Revision: 328515
URL: https://svnweb.freebsd.org/changeset/base/328515
Log:
MFC revisions r309268, r309260, r309264, r309266, r309267, r309270, r310846,
r314435, r314564, r316665, r316691, r316702.
Those import ConcurrencyKit in the FreeBSD kernel.
A few people have showed interest in this being MFC'd, so here we go.
Added:
stable/11/sys/contrib/ck/
- copied from r309266, head/sys/contrib/ck/
stable/11/sys/contrib/ck/FREEBSD-Xlist
- copied, changed from r309270, head/sys/contrib/ck/FREEBSD-Xlist
stable/11/sys/contrib/ck/include/ck_md.h
- copied, changed from r309267, head/sys/contrib/ck/include/ck_md.h
stable/11/sys/contrib/ck/include/gcc/aarch64/ck_pr_llsc.h
- copied unchanged from r310846, head/sys/contrib/ck/include/gcc/aarch64/ck_pr_llsc.h
stable/11/sys/contrib/ck/include/gcc/aarch64/ck_pr_lse.h
- copied unchanged from r310846, head/sys/contrib/ck/include/gcc/aarch64/ck_pr_lse.h
stable/11/sys/contrib/ck/include/gcc/arm/ck_pr_armv4.h
- copied unchanged from r309267, head/sys/contrib/ck/include/gcc/arm/ck_pr_armv4.h
Deleted:
stable/11/sys/contrib/ck/src/Makefile.in
Modified:
stable/11/sys/conf/files
stable/11/sys/contrib/ck/include/ck_epoch.h
stable/11/sys/contrib/ck/include/ck_pr.h
stable/11/sys/contrib/ck/include/gcc/aarch64/ck_pr.h
stable/11/sys/contrib/ck/include/gcc/arm/ck_pr.h
stable/11/sys/contrib/ck/include/gcc/ck_pr.h
stable/11/sys/contrib/ck/include/gcc/ppc64/ck_pr.h
stable/11/sys/contrib/ck/include/gcc/x86_64/ck_pr.h
stable/11/sys/contrib/ck/src/ck_epoch.c
stable/11/sys/mips/mips/stdatomic.c
Directory Properties:
stable/11/ (props changed)
Modified: stable/11/sys/conf/files
==============================================================================
--- stable/11/sys/conf/files Sun Jan 28 18:18:03 2018 (r328514)
+++ stable/11/sys/conf/files Sun Jan 28 18:38:17 2018 (r328515)
@@ -338,6 +338,17 @@ compat/freebsd32/freebsd32_ioctl.c optional compat_fre
compat/freebsd32/freebsd32_misc.c optional compat_freebsd32
compat/freebsd32/freebsd32_syscalls.c optional compat_freebsd32
compat/freebsd32/freebsd32_sysent.c optional compat_freebsd32
+contrib/ck/src/ck_array.c standard compile-with "${NORMAL_C} -I$S/contrib/ck/include"
+contrib/ck/src/ck_barrier_centralized.c standard compile-with "${NORMAL_C} -I$S/contrib/ck/include"
+contrib/ck/src/ck_barrier_combining.c standard compile-with "${NORMAL_C} -I$S/contrib/ck/include"
+contrib/ck/src/ck_barrier_dissemination.c standard compile-with "${NORMAL_C} -I$S/contrib/ck/include"
+contrib/ck/src/ck_barrier_mcs.c standard compile-with "${NORMAL_C} -I$S/contrib/ck/include"
+contrib/ck/src/ck_barrier_tournament.c standard compile-with "${NORMAL_C} -I$S/contrib/ck/include"
+contrib/ck/src/ck_epoch.c standard compile-with "${NORMAL_C} -I$S/contrib/ck/include"
+contrib/ck/src/ck_hp.c standard compile-with "${NORMAL_C} -I$S/contrib/ck/include"
+contrib/ck/src/ck_hs.c standard compile-with "${NORMAL_C} -I$S/contrib/ck/include"
+contrib/ck/src/ck_ht.c standard compile-with "${NORMAL_C} -I$S/contrib/ck/include"
+contrib/ck/src/ck_rhs.c standard compile-with "${NORMAL_C} -I$S/contrib/ck/include"
contrib/dev/acpica/common/ahids.c optional acpi acpi_debug
contrib/dev/acpica/common/ahuuids.c optional acpi acpi_debug
contrib/dev/acpica/components/debugger/dbcmds.c optional acpi acpi_debug
Copied and modified: stable/11/sys/contrib/ck/FREEBSD-Xlist (from r309270, head/sys/contrib/ck/FREEBSD-Xlist)
==============================================================================
--- head/sys/contrib/ck/FREEBSD-Xlist Mon Nov 28 21:16:03 2016 (r309270, copy source)
+++ stable/11/sys/contrib/ck/FREEBSD-Xlist Sun Jan 28 18:38:17 2018 (r328515)
@@ -8,3 +8,4 @@
*/regressions
*/tools
*/include/ck_md.h.in
+*/src/Makefile.in
Modified: stable/11/sys/contrib/ck/include/ck_epoch.h
==============================================================================
--- head/sys/contrib/ck/include/ck_epoch.h Mon Nov 28 20:27:58 2016 (r309266)
+++ stable/11/sys/contrib/ck/include/ck_epoch.h Sun Jan 28 18:38:17 2018 (r328515)
@@ -83,6 +83,7 @@ struct ck_epoch_ref {
};
struct ck_epoch_record {
+ ck_stack_entry_t record_next;
struct ck_epoch *global;
unsigned int state;
unsigned int epoch;
@@ -92,17 +93,16 @@ struct ck_epoch_record {
} local CK_CC_CACHELINE;
unsigned int n_pending;
unsigned int n_peak;
- unsigned long n_dispatch;
+ unsigned int n_dispatch;
+ void *ct;
ck_stack_t pending[CK_EPOCH_LENGTH];
- ck_stack_entry_t record_next;
} CK_CC_CACHELINE;
typedef struct ck_epoch_record ck_epoch_record_t;
struct ck_epoch {
unsigned int epoch;
- char pad[CK_MD_CACHELINE - sizeof(unsigned int)];
- ck_stack_t records;
unsigned int n_free;
+ ck_stack_t records;
};
typedef struct ck_epoch ck_epoch_t;
@@ -110,8 +110,15 @@ typedef struct ck_epoch ck_epoch_t;
* Internal functions.
*/
void _ck_epoch_addref(ck_epoch_record_t *, ck_epoch_section_t *);
-void _ck_epoch_delref(ck_epoch_record_t *, ck_epoch_section_t *);
+bool _ck_epoch_delref(ck_epoch_record_t *, ck_epoch_section_t *);
+CK_CC_FORCE_INLINE static void *
+ck_epoch_record_ct(const ck_epoch_record_t *record)
+{
+
+ return ck_pr_load_ptr(&record->ct);
+}
+
/*
* Marks the beginning of an epoch-protected section.
*/
@@ -160,9 +167,10 @@ ck_epoch_begin(ck_epoch_record_t *record, ck_epoch_sec
}
/*
- * Marks the end of an epoch-protected section.
+ * Marks the end of an epoch-protected section. Returns true if no more
+ * sections exist for the caller.
*/
-CK_CC_FORCE_INLINE static void
+CK_CC_FORCE_INLINE static bool
ck_epoch_end(ck_epoch_record_t *record, ck_epoch_section_t *section)
{
@@ -170,15 +178,19 @@ ck_epoch_end(ck_epoch_record_t *record, ck_epoch_secti
ck_pr_store_uint(&record->active, record->active - 1);
if (section != NULL)
- _ck_epoch_delref(record, section);
+ return _ck_epoch_delref(record, section);
- return;
+ return record->active == 0;
}
/*
* Defers the execution of the function pointed to by the "cb"
* argument until an epoch counter loop. This allows for a
* non-blocking deferral.
+ *
+ * We can get away without a fence here due to the monotonic nature
+ * of the epoch counter. Worst case, this will result in some delays
+ * before object destruction.
*/
CK_CC_FORCE_INLINE static void
ck_epoch_call(ck_epoch_record_t *record,
@@ -195,13 +207,74 @@ ck_epoch_call(ck_epoch_record_t *record,
return;
}
+/*
+ * Same as ck_epoch_call, but allows for records to be shared and is reentrant.
+ */
+CK_CC_FORCE_INLINE static void
+ck_epoch_call_strict(ck_epoch_record_t *record,
+ ck_epoch_entry_t *entry,
+ ck_epoch_cb_t *function)
+{
+ struct ck_epoch *epoch = record->global;
+ unsigned int e = ck_pr_load_uint(&epoch->epoch);
+ unsigned int offset = e & (CK_EPOCH_LENGTH - 1);
+
+ ck_pr_inc_uint(&record->n_pending);
+ entry->function = function;
+
+ /* Store fence is implied by push operation. */
+ ck_stack_push_upmc(&record->pending[offset], &entry->stack_entry);
+ return;
+}
+
+/*
+ * This callback is used for synchronize_wait to allow for custom blocking
+ * behavior.
+ */
+typedef void ck_epoch_wait_cb_t(ck_epoch_t *, ck_epoch_record_t *,
+ void *);
+
+/*
+ * Return latest epoch value. This operation provides load ordering.
+ */
+CK_CC_FORCE_INLINE static unsigned int
+ck_epoch_value(const ck_epoch_t *ep)
+{
+
+ ck_pr_fence_load();
+ return ck_pr_load_uint(&ep->epoch);
+}
+
void ck_epoch_init(ck_epoch_t *);
-ck_epoch_record_t *ck_epoch_recycle(ck_epoch_t *);
-void ck_epoch_register(ck_epoch_t *, ck_epoch_record_t *);
+
+/*
+ * Attempts to recycle an unused epoch record. If one is successfully
+ * allocated, the record context pointer is also updated.
+ */
+ck_epoch_record_t *ck_epoch_recycle(ck_epoch_t *, void *);
+
+/*
+ * Registers an epoch record. An optional context pointer may be passed that
+ * is retrievable with ck_epoch_record_ct.
+ */
+void ck_epoch_register(ck_epoch_t *, ck_epoch_record_t *, void *);
+
+/*
+ * Marks a record as available for re-use by a subsequent recycle operation.
+ * Note that the record cannot be physically destroyed.
+ */
void ck_epoch_unregister(ck_epoch_record_t *);
+
bool ck_epoch_poll(ck_epoch_record_t *);
void ck_epoch_synchronize(ck_epoch_record_t *);
+void ck_epoch_synchronize_wait(ck_epoch_t *, ck_epoch_wait_cb_t *, void *);
void ck_epoch_barrier(ck_epoch_record_t *);
+void ck_epoch_barrier_wait(ck_epoch_record_t *, ck_epoch_wait_cb_t *, void *);
+
+/*
+ * Reclaim entries associated with a record. This is safe to call only on
+ * the caller's record or records that are using call_strict.
+ */
void ck_epoch_reclaim(ck_epoch_record_t *);
#endif /* CK_EPOCH_H */
Copied and modified: stable/11/sys/contrib/ck/include/ck_md.h (from r309267, head/sys/contrib/ck/include/ck_md.h)
==============================================================================
--- head/sys/contrib/ck/include/ck_md.h Mon Nov 28 20:33:30 2016 (r309267, copy source)
+++ stable/11/sys/contrib/ck/include/ck_md.h Sun Jan 28 18:38:17 2018 (r328515)
@@ -49,11 +49,15 @@
#define CK_MD_VMA_BITS_UNKNOWN
#endif /* CK_MD_VMA_BITS_UNKNOWN */
+#ifndef CK_PR_DISABLE_DOUBLE
+#define CK_PR_DISABLE_DOUBLE
+#endif /* CK_PR_DISABLE_DOUBLE */
+
#ifndef CK_MD_RMO
#define CK_MD_RMO
#endif /* CK_MD_RMO */
-#define CK_VERSION "0.5.2"
+#define CK_VERSION "0.6.0"
#define CK_GIT_SHA ""
/*
Modified: stable/11/sys/contrib/ck/include/ck_pr.h
==============================================================================
--- head/sys/contrib/ck/include/ck_pr.h Mon Nov 28 20:27:58 2016 (r309266)
+++ stable/11/sys/contrib/ck/include/ck_pr.h Sun Jan 28 18:38:17 2018 (r328515)
@@ -46,7 +46,11 @@
#elif defined(__ppc__)
#include "gcc/ppc/ck_pr.h"
#elif defined(__arm__)
+#if __ARM_ARCH >= 6
#include "gcc/arm/ck_pr.h"
+#else
+#include "gcc/arm/ck_pr_armv4.h"
+#endif
#elif defined(__aarch64__)
#include "gcc/aarch64/ck_pr.h"
#elif !defined(__GNUC__)
@@ -169,7 +173,9 @@ ck_pr_rfo(const void *m)
#define ck_pr_store_ptr(DST, VAL) CK_PR_STORE_SAFE((DST), (VAL), ptr)
#define ck_pr_store_char(DST, VAL) CK_PR_STORE_SAFE((DST), (VAL), char)
+#ifndef CK_PR_DISABLE_DOUBLE
#define ck_pr_store_double(DST, VAL) CK_PR_STORE_SAFE((DST), (VAL), double)
+#endif
#define ck_pr_store_uint(DST, VAL) CK_PR_STORE_SAFE((DST), (VAL), uint)
#define ck_pr_store_int(DST, VAL) CK_PR_STORE_SAFE((DST), (VAL), int)
#define ck_pr_store_32(DST, VAL) CK_PR_STORE_SAFE((DST), (VAL), 32)
@@ -187,7 +193,9 @@ ck_pr_rfo(const void *m)
#define CK_PR_LOAD_SAFE(SRC, TYPE) ck_pr_md_load_##TYPE((SRC))
#define ck_pr_load_char(SRC) CK_PR_LOAD_SAFE((SRC), char)
+#ifndef CK_PR_DISABLE_DOUBLE
#define ck_pr_load_double(SRC) CK_PR_LOAD_SAFE((SRC), double)
+#endif
#define ck_pr_load_uint(SRC) CK_PR_LOAD_SAFE((SRC), uint)
#define ck_pr_load_int(SRC) CK_PR_LOAD_SAFE((SRC), int)
#define ck_pr_load_32(SRC) CK_PR_LOAD_SAFE((SRC), 32)
@@ -275,7 +283,8 @@ CK_PR_BIN_S(or, int, int, |)
#endif /* CK_F_PR_LOAD_INT && CK_F_PR_CAS_INT_VALUE */
-#if defined(CK_F_PR_LOAD_DOUBLE) && defined(CK_F_PR_CAS_DOUBLE_VALUE)
+#if defined(CK_F_PR_LOAD_DOUBLE) && defined(CK_F_PR_CAS_DOUBLE_VALUE) && \
+ !defined(CK_PR_DISABLE_DOUBLE)
#ifndef CK_F_PR_ADD_DOUBLE
#define CK_F_PR_ADD_DOUBLE
@@ -287,7 +296,7 @@ CK_PR_BIN_S(add, double, double, +)
CK_PR_BIN_S(sub, double, double, -)
#endif /* CK_F_PR_SUB_DOUBLE */
-#endif /* CK_F_PR_LOAD_DOUBLE && CK_F_PR_CAS_DOUBLE_VALUE */
+#endif /* CK_F_PR_LOAD_DOUBLE && CK_F_PR_CAS_DOUBLE_VALUE && !CK_PR_DISABLE_DOUBLE */
#if defined(CK_F_PR_LOAD_UINT) && defined(CK_F_PR_CAS_UINT_VALUE)
@@ -675,7 +684,8 @@ CK_PR_UNARY_Z_S(dec, int, int, -, 1)
#endif /* CK_F_PR_LOAD_INT && CK_F_PR_CAS_INT_VALUE */
-#if defined(CK_F_PR_LOAD_DOUBLE) && defined(CK_F_PR_CAS_DOUBLE_VALUE)
+#if defined(CK_F_PR_LOAD_DOUBLE) && defined(CK_F_PR_CAS_DOUBLE_VALUE) && \
+ !defined(CK_PR_DISABLE_DOUBLE)
#ifndef CK_F_PR_INC_DOUBLE
#define CK_F_PR_INC_DOUBLE
@@ -687,7 +697,7 @@ CK_PR_UNARY_S(inc, add, double, double)
CK_PR_UNARY_S(dec, sub, double, double)
#endif /* CK_F_PR_DEC_DOUBLE */
-#endif /* CK_F_PR_LOAD_DOUBLE && CK_F_PR_CAS_DOUBLE_VALUE */
+#endif /* CK_F_PR_LOAD_DOUBLE && CK_F_PR_CAS_DOUBLE_VALUE && !CK_PR_DISABLE_DOUBLE */
#if defined(CK_F_PR_LOAD_UINT) && defined(CK_F_PR_CAS_UINT_VALUE)
@@ -914,14 +924,15 @@ CK_PR_N_Z_S(int, int)
#endif /* CK_F_PR_LOAD_INT && CK_F_PR_CAS_INT_VALUE */
-#if defined(CK_F_PR_LOAD_DOUBLE) && defined(CK_F_PR_CAS_DOUBLE_VALUE)
+#if defined(CK_F_PR_LOAD_DOUBLE) && defined(CK_F_PR_CAS_DOUBLE_VALUE) && \
+ !defined(CK_PR_DISABLE_DOUBLE)
#ifndef CK_F_PR_NEG_DOUBLE
#define CK_F_PR_NEG_DOUBLE
CK_PR_N_S(neg, double, double, -)
#endif /* CK_F_PR_NEG_DOUBLE */
-#endif /* CK_F_PR_LOAD_DOUBLE && CK_F_PR_CAS_DOUBLE_VALUE */
+#endif /* CK_F_PR_LOAD_DOUBLE && CK_F_PR_CAS_DOUBLE_VALUE && !CK_PR_DISABLE_DOUBLE */
#if defined(CK_F_PR_LOAD_UINT) && defined(CK_F_PR_CAS_UINT_VALUE)
@@ -1105,7 +1116,8 @@ CK_PR_FAS_S(int, int)
#endif /* CK_F_PR_LOAD_INT && CK_F_PR_CAS_INT_VALUE */
-#if defined(CK_F_PR_LOAD_DOUBLE) && defined(CK_F_PR_CAS_DOUBLE_VALUE)
+#if defined(CK_F_PR_LOAD_DOUBLE) && defined(CK_F_PR_CAS_DOUBLE_VALUE) && \
+ !defined(CK_PR_DISABLE_DOUBLE)
#ifndef CK_F_PR_FAA_DOUBLE
#define CK_F_PR_FAA_DOUBLE
@@ -1117,7 +1129,7 @@ CK_PR_FAA_S(double, double)
CK_PR_FAS_S(double, double)
#endif /* CK_F_PR_FAS_DOUBLE */
-#endif /* CK_F_PR_LOAD_DOUBLE && CK_F_PR_CAS_DOUBLE_VALUE */
+#endif /* CK_F_PR_LOAD_DOUBLE && CK_F_PR_CAS_DOUBLE_VALUE && !CK_PR_DISABLE_DOUBLE */
#if defined(CK_F_PR_LOAD_UINT) && defined(CK_F_PR_CAS_UINT_VALUE)
Modified: stable/11/sys/contrib/ck/include/gcc/aarch64/ck_pr.h
==============================================================================
--- head/sys/contrib/ck/include/gcc/aarch64/ck_pr.h Mon Nov 28 20:27:58 2016 (r309266)
+++ stable/11/sys/contrib/ck/include/gcc/aarch64/ck_pr.h Sun Jan 28 18:38:17 2018 (r328515)
@@ -124,7 +124,9 @@ CK_PR_LOAD_S(uint, unsigned int, "ldr")
CK_PR_LOAD_S(int, int, "ldr")
CK_PR_LOAD_S(short, short, "ldrh")
CK_PR_LOAD_S(char, char, "ldrb")
+#ifndef CK_PR_DISABLE_DOUBLE
CK_PR_LOAD_S_64(double, double, "ldr")
+#endif
#undef CK_PR_LOAD_S
#undef CK_PR_LOAD_S_64
@@ -167,326 +169,59 @@ CK_PR_STORE_S(uint, unsigned int, "str")
CK_PR_STORE_S(int, int, "str")
CK_PR_STORE_S(short, short, "strh")
CK_PR_STORE_S(char, char, "strb")
+#ifndef CK_PR_DISABLE_DOUBLE
CK_PR_STORE_S_64(double, double, "str")
+#endif
#undef CK_PR_STORE_S
#undef CK_PR_STORE_S_64
#undef CK_PR_STORE
#undef CK_PR_STORE_64
-CK_CC_INLINE static bool
-ck_pr_cas_64_2_value(uint64_t target[2], uint64_t compare[2], uint64_t set[2], uint64_t value[2])
-{
- uint64_t tmp1, tmp2;
- __asm__ __volatile__("1:"
- "ldxp %0, %1, [%4];"
- "mov %2, %0;"
- "mov %3, %1;"
- "eor %0, %0, %5;"
- "eor %1, %1, %6;"
- "orr %1, %0, %1;"
- "mov %w0, #0;"
- "cbnz %1, 2f;"
- "stxp %w0, %7, %8, [%4];"
- "cbnz %w0, 1b;"
- "mov %w0, #1;"
- "2:"
- : "=&r" (tmp1), "=&r" (tmp2), "=&r" (value[0]), "=&r" (value[1])
- : "r" (target), "r" (compare[0]), "r" (compare[1]), "r" (set[0]), "r" (set[1]));
+#ifdef CK_MD_LSE_ENABLE
+#include "ck_pr_lse.h"
+#else
+#include "ck_pr_llsc.h"
+#endif
- return (tmp1);
-}
+/*
+ * ck_pr_neg_*() functions can only be implemented via LL/SC, as there are no
+ * LSE alternatives.
+ */
+#define CK_PR_NEG(N, M, T, W, R) \
+ CK_CC_INLINE static void \
+ ck_pr_neg_##N(M *target) \
+ { \
+ T previous = 0; \
+ T tmp = 0; \
+ __asm__ __volatile__("1:" \
+ "ldxr" W " %" R "0, [%2];" \
+ "neg %" R "0, %" R "0;" \
+ "stxr" W " %w1, %" R "0, [%2];" \
+ "cbnz %w1, 1b;" \
+ : "=&r" (previous), \
+ "=&r" (tmp) \
+ : "r" (target) \
+ : "memory", "cc"); \
+ return; \
+ }
-CK_CC_INLINE static bool
-ck_pr_cas_ptr_2_value(void *target, void *compare, void *set, void *value)
-{
- return (ck_pr_cas_64_2_value(CK_CPP_CAST(uint64_t *, target),
- CK_CPP_CAST(uint64_t *, compare),
- CK_CPP_CAST(uint64_t *, set),
- CK_CPP_CAST(uint64_t *, value)));
-}
+CK_PR_NEG(ptr, void, void *, "", "")
+CK_PR_NEG(64, uint64_t, uint64_t, "", "")
-CK_CC_INLINE static bool
-ck_pr_cas_64_2(uint64_t target[2], uint64_t compare[2], uint64_t set[2])
-{
- uint64_t tmp1, tmp2;
- __asm__ __volatile__("1:"
- "ldxp %0, %1, [%2];"
- "eor %0, %0, %3;"
- "eor %1, %1, %4;"
- "orr %1, %0, %1;"
- "mov %w0, #0;"
- "cbnz %1, 2f;"
- "stxp %w0, %5, %6, [%2];"
- "cbnz %w0, 1b;"
- "mov %w0, #1;"
- "2:"
- : "=&r" (tmp1), "=&r" (tmp2)
- : "r" (target), "r" (compare[0]), "r" (compare[1]), "r" (set[0]), "r" (set[1]));
+#define CK_PR_NEG_S(S, T, W) \
+ CK_PR_NEG(S, T, T, W, "w") \
- return (tmp1);
-}
-CK_CC_INLINE static bool
-ck_pr_cas_ptr_2(void *target, void *compare, void *set)
-{
- return (ck_pr_cas_64_2(CK_CPP_CAST(uint64_t *, target),
- CK_CPP_CAST(uint64_t *, compare),
- CK_CPP_CAST(uint64_t *, set)));
-}
+CK_PR_NEG_S(32, uint32_t, "")
+CK_PR_NEG_S(uint, unsigned int, "")
+CK_PR_NEG_S(int, int, "")
+CK_PR_NEG_S(16, uint16_t, "h")
+CK_PR_NEG_S(8, uint8_t, "b")
+CK_PR_NEG_S(short, short, "h")
+CK_PR_NEG_S(char, char, "b")
-
-#define CK_PR_CAS(N, M, T, W, R) \
- CK_CC_INLINE static bool \
- ck_pr_cas_##N##_value(M *target, T compare, T set, M *value) \
- { \
- T previous; \
- T tmp; \
- __asm__ __volatile__("1:" \
- "ldxr" W " %" R "0, [%2];" \
- "cmp %" R "0, %" R "4;" \
- "b.ne 2f;" \
- "stxr" W " %w1, %" R "3, [%2];" \
- "cbnz %w1, 1b;" \
- "2:" \
- : "=&r" (previous), \
- "=&r" (tmp) \
- : "r" (target), \
- "r" (set), \
- "r" (compare) \
- : "memory", "cc"); \
- *(T *)value = previous; \
- return (previous == compare); \
- } \
- CK_CC_INLINE static bool \
- ck_pr_cas_##N(M *target, T compare, T set) \
- { \
- T previous; \
- T tmp; \
- __asm__ __volatile__( \
- "1:" \
- "ldxr" W " %" R "0, [%2];" \
- "cmp %" R "0, %" R "4;" \
- "b.ne 2f;" \
- "stxr" W " %w1, %" R "3, [%2];" \
- "cbnz %w1, 1b;" \
- "2:" \
- : "=&r" (previous), \
- "=&r" (tmp) \
- : "r" (target), \
- "r" (set), \
- "r" (compare) \
- : "memory", "cc"); \
- return (previous == compare); \
- }
-
-CK_PR_CAS(ptr, void, void *, "", "")
-
-#define CK_PR_CAS_S(N, M, W, R) CK_PR_CAS(N, M, M, W, R)
-CK_PR_CAS_S(64, uint64_t, "", "")
-CK_PR_CAS_S(double, double, "", "")
-CK_PR_CAS_S(32, uint32_t, "", "w")
-CK_PR_CAS_S(uint, unsigned int, "", "w")
-CK_PR_CAS_S(int, int, "", "w")
-CK_PR_CAS_S(16, uint16_t, "h", "w")
-CK_PR_CAS_S(8, uint8_t, "b", "w")
-CK_PR_CAS_S(short, short, "h", "w")
-CK_PR_CAS_S(char, char, "b", "w")
-
-
-#undef CK_PR_CAS_S
-#undef CK_PR_CAS
-
-#define CK_PR_FAS(N, M, T, W, R) \
- CK_CC_INLINE static T \
- ck_pr_fas_##N(M *target, T v) \
- { \
- T previous; \
- T tmp; \
- __asm__ __volatile__("1:" \
- "ldxr" W " %" R "0, [%2];" \
- "stxr" W " %w1, %" R "3, [%2];"\
- "cbnz %w1, 1b;" \
- : "=&r" (previous), \
- "=&r" (tmp) \
- : "r" (target), \
- "r" (v) \
- : "memory", "cc"); \
- return (previous); \
- }
-
-CK_PR_FAS(64, uint64_t, uint64_t, "", "")
-CK_PR_FAS(32, uint32_t, uint32_t, "", "w")
-CK_PR_FAS(ptr, void, void *, "", "")
-CK_PR_FAS(int, int, int, "", "w")
-CK_PR_FAS(uint, unsigned int, unsigned int, "", "w")
-CK_PR_FAS(16, uint16_t, uint16_t, "h", "w")
-CK_PR_FAS(8, uint8_t, uint8_t, "b", "w")
-CK_PR_FAS(short, short, short, "h", "w")
-CK_PR_FAS(char, char, char, "b", "w")
-
-
-#undef CK_PR_FAS
-
-#define CK_PR_UNARY(O, N, M, T, I, W, R) \
- CK_CC_INLINE static void \
- ck_pr_##O##_##N(M *target) \
- { \
- T previous = 0; \
- T tmp = 0; \
- __asm__ __volatile__("1:" \
- "ldxr" W " %" R "0, [%2];" \
- I ";" \
- "stxr" W " %w1, %" R "0, [%2];" \
- "cbnz %w1, 1b;" \
- : "=&r" (previous), \
- "=&r" (tmp) \
- : "r" (target) \
- : "memory", "cc"); \
- return; \
- }
-
-CK_PR_UNARY(inc, ptr, void, void *, "add %0, %0, #1", "", "")
-CK_PR_UNARY(dec, ptr, void, void *, "sub %0, %0, #1", "", "")
-CK_PR_UNARY(not, ptr, void, void *, "mvn %0, %0", "", "")
-CK_PR_UNARY(neg, ptr, void, void *, "neg %0, %0", "", "")
-CK_PR_UNARY(inc, 64, uint64_t, uint64_t, "add %0, %0, #1", "", "")
-CK_PR_UNARY(dec, 64, uint64_t, uint64_t, "sub %0, %0, #1", "", "")
-CK_PR_UNARY(not, 64, uint64_t, uint64_t, "mvn %0, %0", "", "")
-CK_PR_UNARY(neg, 64, uint64_t, uint64_t, "neg %0, %0", "", "")
-
-#define CK_PR_UNARY_S(S, T, W) \
- CK_PR_UNARY(inc, S, T, T, "add %w0, %w0, #1", W, "w") \
- CK_PR_UNARY(dec, S, T, T, "sub %w0, %w0, #1", W, "w") \
- CK_PR_UNARY(not, S, T, T, "mvn %w0, %w0", W, "w") \
- CK_PR_UNARY(neg, S, T, T, "neg %w0, %w0", W, "w") \
-
-CK_PR_UNARY_S(32, uint32_t, "")
-CK_PR_UNARY_S(uint, unsigned int, "")
-CK_PR_UNARY_S(int, int, "")
-CK_PR_UNARY_S(16, uint16_t, "h")
-CK_PR_UNARY_S(8, uint8_t, "b")
-CK_PR_UNARY_S(short, short, "h")
-CK_PR_UNARY_S(char, char, "b")
-
-#undef CK_PR_UNARY_S
-#undef CK_PR_UNARY
-
-#define CK_PR_BINARY(O, N, M, T, I, W, R) \
- CK_CC_INLINE static void \
- ck_pr_##O##_##N(M *target, T delta) \
- { \
- T previous; \
- T tmp; \
- __asm__ __volatile__("1:" \
- "ldxr" W " %" R "0, [%2];"\
- I " %" R "0, %" R "0, %" R "3;" \
- "stxr" W " %w1, %" R "0, [%2];" \
- "cbnz %w1, 1b;" \
- : "=&r" (previous), \
- "=&r" (tmp) \
- : "r" (target), \
- "r" (delta) \
- : "memory", "cc"); \
- return; \
- }
-
-CK_PR_BINARY(and, ptr, void, uintptr_t, "and", "", "")
-CK_PR_BINARY(add, ptr, void, uintptr_t, "add", "", "")
-CK_PR_BINARY(or, ptr, void, uintptr_t, "orr", "", "")
-CK_PR_BINARY(sub, ptr, void, uintptr_t, "sub", "", "")
-CK_PR_BINARY(xor, ptr, void, uintptr_t, "eor", "", "")
-CK_PR_BINARY(and, 64, uint64_t, uint64_t, "and", "", "")
-CK_PR_BINARY(add, 64, uint64_t, uint64_t, "add", "", "")
-CK_PR_BINARY(or, 64, uint64_t, uint64_t, "orr", "", "")
-CK_PR_BINARY(sub, 64, uint64_t, uint64_t, "sub", "", "")
-CK_PR_BINARY(xor, 64, uint64_t, uint64_t, "eor", "", "")
-
-#define CK_PR_BINARY_S(S, T, W) \
- CK_PR_BINARY(and, S, T, T, "and", W, "w") \
- CK_PR_BINARY(add, S, T, T, "add", W, "w") \
- CK_PR_BINARY(or, S, T, T, "orr", W, "w") \
- CK_PR_BINARY(sub, S, T, T, "sub", W, "w") \
- CK_PR_BINARY(xor, S, T, T, "eor", W, "w")
-
-CK_PR_BINARY_S(32, uint32_t, "")
-CK_PR_BINARY_S(uint, unsigned int, "")
-CK_PR_BINARY_S(int, int, "")
-CK_PR_BINARY_S(16, uint16_t, "h")
-CK_PR_BINARY_S(8, uint8_t, "b")
-CK_PR_BINARY_S(short, short, "h")
-CK_PR_BINARY_S(char, char, "b")
-
-#undef CK_PR_BINARY_S
-#undef CK_PR_BINARY
-
-CK_CC_INLINE static void *
-ck_pr_faa_ptr(void *target, uintptr_t delta)
-{
- uintptr_t previous, r, tmp;
-
- __asm__ __volatile__("1:"
- "ldxr %0, [%3];"
- "add %1, %4, %0;"
- "stxr %w2, %1, [%3];"
- "cbnz %w2, 1b;"
- : "=&r" (previous),
- "=&r" (r),
- "=&r" (tmp)
- : "r" (target),
- "r" (delta)
- : "memory", "cc");
-
- return (void *)(previous);
-}
-
-CK_CC_INLINE static uint64_t
-ck_pr_faa_64(uint64_t *target, uint64_t delta)
-{
- uint64_t previous, r, tmp;
-
- __asm__ __volatile__("1:"
- "ldxr %0, [%3];"
- "add %1, %4, %0;"
- "stxr %w2, %1, [%3];"
- "cbnz %w2, 1b;"
- : "=&r" (previous),
- "=&r" (r),
- "=&r" (tmp)
- : "r" (target),
- "r" (delta)
- : "memory", "cc");
-
- return (previous);
-}
-
-#define CK_PR_FAA(S, T, W) \
- CK_CC_INLINE static T \
- ck_pr_faa_##S(T *target, T delta) \
- { \
- T previous, r, tmp; \
- __asm__ __volatile__("1:" \
- "ldxr" W " %w0, [%3];" \
- "add %w1, %w4, %w0;" \
- "stxr" W " %w2, %w1, [%3];" \
- "cbnz %w2, 1b;" \
- : "=&r" (previous), \
- "=&r" (r), \
- "=&r" (tmp) \
- : "r" (target), \
- "r" (delta) \
- : "memory", "cc"); \
- return (previous); \
- }
-
-CK_PR_FAA(32, uint32_t, "")
-CK_PR_FAA(uint, unsigned int, "")
-CK_PR_FAA(int, int, "")
-CK_PR_FAA(16, uint16_t, "h")
-CK_PR_FAA(8, uint8_t, "b")
-CK_PR_FAA(short, short, "h")
-CK_PR_FAA(char, char, "b")
-
-#undef CK_PR_FAA
+#undef CK_PR_NEG_S
+#undef CK_PR_NEG
#endif /* CK_PR_AARCH64_H */
Copied: stable/11/sys/contrib/ck/include/gcc/aarch64/ck_pr_llsc.h (from r310846, head/sys/contrib/ck/include/gcc/aarch64/ck_pr_llsc.h)
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ stable/11/sys/contrib/ck/include/gcc/aarch64/ck_pr_llsc.h Sun Jan 28 18:38:17 2018 (r328515, copy of r310846, head/sys/contrib/ck/include/gcc/aarch64/ck_pr_llsc.h)
@@ -0,0 +1,352 @@
+/*
+ * Copyright 2009-2016 Samy Al Bahra.
+ * Copyright 2013-2016 Olivier Houchard.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef CK_PR_AARCH64_LLSC_H
+#define CK_PR_AARCH64_LLSC_H
+
+#ifndef CK_PR_H
+#error Do not include this file directly, use ck_pr.h
+#endif
+
+CK_CC_INLINE static bool
+ck_pr_cas_64_2_value(uint64_t target[2], uint64_t compare[2], uint64_t set[2], uint64_t value[2])
+{
+ uint64_t tmp1, tmp2;
+
+ __asm__ __volatile__("1:"
+ "ldxp %0, %1, [%4];"
+ "mov %2, %0;"
+ "mov %3, %1;"
+ "eor %0, %0, %5;"
+ "eor %1, %1, %6;"
+ "orr %1, %0, %1;"
+ "mov %w0, #0;"
+ "cbnz %1, 2f;"
+ "stxp %w0, %7, %8, [%4];"
+ "cbnz %w0, 1b;"
+ "mov %w0, #1;"
+ "2:"
+ : "=&r" (tmp1), "=&r" (tmp2), "=&r" (value[0]), "=&r" (value[1])
+ : "r" (target), "r" (compare[0]), "r" (compare[1]), "r" (set[0]), "r" (set[1])
+ : "cc", "memory");
+
+ return (tmp1);
+}
+
+CK_CC_INLINE static bool
+ck_pr_cas_ptr_2_value(void *target, void *compare, void *set, void *value)
+{
+ return (ck_pr_cas_64_2_value(CK_CPP_CAST(uint64_t *, target),
+ CK_CPP_CAST(uint64_t *, compare),
+ CK_CPP_CAST(uint64_t *, set),
+ CK_CPP_CAST(uint64_t *, value)));
+}
+
+CK_CC_INLINE static bool
+ck_pr_cas_64_2(uint64_t target[2], uint64_t compare[2], uint64_t set[2])
+{
+ uint64_t tmp1, tmp2;
+
+ __asm__ __volatile__("1:"
+ "ldxp %0, %1, [%2];"
+ "eor %0, %0, %3;"
+ "eor %1, %1, %4;"
+ "orr %1, %0, %1;"
+ "mov %w0, #0;"
+ "cbnz %1, 2f;"
+ "stxp %w0, %5, %6, [%2];"
+ "cbnz %w0, 1b;"
+ "mov %w0, #1;"
+ "2:"
+ : "=&r" (tmp1), "=&r" (tmp2)
+ : "r" (target), "r" (compare[0]), "r" (compare[1]), "r" (set[0]), "r" (set[1])
+ : "cc", "memory");
+
+ return (tmp1);
+}
+CK_CC_INLINE static bool
+ck_pr_cas_ptr_2(void *target, void *compare, void *set)
+{
+ return (ck_pr_cas_64_2(CK_CPP_CAST(uint64_t *, target),
+ CK_CPP_CAST(uint64_t *, compare),
+ CK_CPP_CAST(uint64_t *, set)));
+}
+
+
+#define CK_PR_CAS(N, M, T, W, R) \
+ CK_CC_INLINE static bool \
+ ck_pr_cas_##N##_value(M *target, T compare, T set, M *value) \
+ { \
+ T previous; \
+ T tmp; \
+ __asm__ __volatile__("1:" \
+ "ldxr" W " %" R "0, [%2];" \
+ "cmp %" R "0, %" R "4;" \
+ "b.ne 2f;" \
+ "stxr" W " %w1, %" R "3, [%2];" \
+ "cbnz %w1, 1b;" \
+ "2:" \
+ : "=&r" (previous), \
+ "=&r" (tmp) \
+ : "r" (target), \
+ "r" (set), \
+ "r" (compare) \
+ : "memory", "cc"); \
+ *(T *)value = previous; \
+ return (previous == compare); \
+ } \
+ CK_CC_INLINE static bool \
+ ck_pr_cas_##N(M *target, T compare, T set) \
+ { \
+ T previous; \
+ T tmp; \
+ __asm__ __volatile__( \
+ "1:" \
+ "ldxr" W " %" R "0, [%2];" \
+ "cmp %" R "0, %" R "4;" \
+ "b.ne 2f;" \
+ "stxr" W " %w1, %" R "3, [%2];" \
+ "cbnz %w1, 1b;" \
+ "2:" \
+ : "=&r" (previous), \
+ "=&r" (tmp) \
+ : "r" (target), \
+ "r" (set), \
+ "r" (compare) \
+ : "memory", "cc"); \
+ return (previous == compare); \
+ }
+
+CK_PR_CAS(ptr, void, void *, "", "")
+
+#define CK_PR_CAS_S(N, M, W, R) CK_PR_CAS(N, M, M, W, R)
+CK_PR_CAS_S(64, uint64_t, "", "")
+#ifndef CK_PR_DISABLE_DOUBLE
+CK_PR_CAS_S(double, double, "", "")
+#endif
+CK_PR_CAS_S(32, uint32_t, "", "w")
+CK_PR_CAS_S(uint, unsigned int, "", "w")
+CK_PR_CAS_S(int, int, "", "w")
+CK_PR_CAS_S(16, uint16_t, "h", "w")
+CK_PR_CAS_S(8, uint8_t, "b", "w")
+CK_PR_CAS_S(short, short, "h", "w")
+CK_PR_CAS_S(char, char, "b", "w")
+
+
+#undef CK_PR_CAS_S
+#undef CK_PR_CAS
+
+#define CK_PR_FAS(N, M, T, W, R) \
+ CK_CC_INLINE static T \
+ ck_pr_fas_##N(M *target, T v) \
+ { \
+ T previous; \
+ T tmp; \
+ __asm__ __volatile__("1:" \
+ "ldxr" W " %" R "0, [%2];" \
+ "stxr" W " %w1, %" R "3, [%2];"\
+ "cbnz %w1, 1b;" \
+ : "=&r" (previous), \
+ "=&r" (tmp) \
+ : "r" (target), \
+ "r" (v) \
+ : "memory", "cc"); \
+ return (previous); \
+ }
+
+CK_PR_FAS(64, uint64_t, uint64_t, "", "")
+CK_PR_FAS(32, uint32_t, uint32_t, "", "w")
+CK_PR_FAS(ptr, void, void *, "", "")
+CK_PR_FAS(int, int, int, "", "w")
+CK_PR_FAS(uint, unsigned int, unsigned int, "", "w")
+CK_PR_FAS(16, uint16_t, uint16_t, "h", "w")
+CK_PR_FAS(8, uint8_t, uint8_t, "b", "w")
+CK_PR_FAS(short, short, short, "h", "w")
+CK_PR_FAS(char, char, char, "b", "w")
+
+
+#undef CK_PR_FAS
+
+#define CK_PR_UNARY(O, N, M, T, I, W, R) \
+ CK_CC_INLINE static void \
+ ck_pr_##O##_##N(M *target) \
+ { \
+ T previous = 0; \
+ T tmp = 0; \
+ __asm__ __volatile__("1:" \
+ "ldxr" W " %" R "0, [%2];" \
+ I ";" \
+ "stxr" W " %w1, %" R "0, [%2];" \
+ "cbnz %w1, 1b;" \
+ : "=&r" (previous), \
+ "=&r" (tmp) \
+ : "r" (target) \
+ : "memory", "cc"); \
+ return; \
+ }
+
+CK_PR_UNARY(inc, ptr, void, void *, "add %0, %0, #1", "", "")
+CK_PR_UNARY(dec, ptr, void, void *, "sub %0, %0, #1", "", "")
+CK_PR_UNARY(not, ptr, void, void *, "mvn %0, %0", "", "")
+CK_PR_UNARY(inc, 64, uint64_t, uint64_t, "add %0, %0, #1", "", "")
+CK_PR_UNARY(dec, 64, uint64_t, uint64_t, "sub %0, %0, #1", "", "")
+CK_PR_UNARY(not, 64, uint64_t, uint64_t, "mvn %0, %0", "", "")
+
+#define CK_PR_UNARY_S(S, T, W) \
+ CK_PR_UNARY(inc, S, T, T, "add %w0, %w0, #1", W, "w") \
+ CK_PR_UNARY(dec, S, T, T, "sub %w0, %w0, #1", W, "w") \
+ CK_PR_UNARY(not, S, T, T, "mvn %w0, %w0", W, "w") \
+
+CK_PR_UNARY_S(32, uint32_t, "")
+CK_PR_UNARY_S(uint, unsigned int, "")
+CK_PR_UNARY_S(int, int, "")
+CK_PR_UNARY_S(16, uint16_t, "h")
+CK_PR_UNARY_S(8, uint8_t, "b")
+CK_PR_UNARY_S(short, short, "h")
+CK_PR_UNARY_S(char, char, "b")
+
+#undef CK_PR_UNARY_S
+#undef CK_PR_UNARY
+
+#define CK_PR_BINARY(O, N, M, T, I, W, R) \
+ CK_CC_INLINE static void \
+ ck_pr_##O##_##N(M *target, T delta) \
+ { \
+ T previous; \
+ T tmp; \
+ __asm__ __volatile__("1:" \
+ "ldxr" W " %" R "0, [%2];"\
+ I " %" R "0, %" R "0, %" R "3;" \
+ "stxr" W " %w1, %" R "0, [%2];" \
+ "cbnz %w1, 1b;" \
+ : "=&r" (previous), \
+ "=&r" (tmp) \
+ : "r" (target), \
+ "r" (delta) \
+ : "memory", "cc"); \
+ return; \
+ }
+
+CK_PR_BINARY(and, ptr, void, uintptr_t, "and", "", "")
+CK_PR_BINARY(add, ptr, void, uintptr_t, "add", "", "")
+CK_PR_BINARY(or, ptr, void, uintptr_t, "orr", "", "")
+CK_PR_BINARY(sub, ptr, void, uintptr_t, "sub", "", "")
+CK_PR_BINARY(xor, ptr, void, uintptr_t, "eor", "", "")
+CK_PR_BINARY(and, 64, uint64_t, uint64_t, "and", "", "")
+CK_PR_BINARY(add, 64, uint64_t, uint64_t, "add", "", "")
+CK_PR_BINARY(or, 64, uint64_t, uint64_t, "orr", "", "")
+CK_PR_BINARY(sub, 64, uint64_t, uint64_t, "sub", "", "")
+CK_PR_BINARY(xor, 64, uint64_t, uint64_t, "eor", "", "")
+
+#define CK_PR_BINARY_S(S, T, W) \
+ CK_PR_BINARY(and, S, T, T, "and", W, "w") \
+ CK_PR_BINARY(add, S, T, T, "add", W, "w") \
+ CK_PR_BINARY(or, S, T, T, "orr", W, "w") \
+ CK_PR_BINARY(sub, S, T, T, "sub", W, "w") \
+ CK_PR_BINARY(xor, S, T, T, "eor", W, "w")
+
+CK_PR_BINARY_S(32, uint32_t, "")
+CK_PR_BINARY_S(uint, unsigned int, "")
+CK_PR_BINARY_S(int, int, "")
+CK_PR_BINARY_S(16, uint16_t, "h")
+CK_PR_BINARY_S(8, uint8_t, "b")
+CK_PR_BINARY_S(short, short, "h")
+CK_PR_BINARY_S(char, char, "b")
+
+#undef CK_PR_BINARY_S
+#undef CK_PR_BINARY
+
+CK_CC_INLINE static void *
+ck_pr_faa_ptr(void *target, uintptr_t delta)
+{
+ uintptr_t previous, r, tmp;
+
+ __asm__ __volatile__("1:"
+ "ldxr %0, [%3];"
+ "add %1, %4, %0;"
+ "stxr %w2, %1, [%3];"
+ "cbnz %w2, 1b;"
+ : "=&r" (previous),
+ "=&r" (r),
+ "=&r" (tmp)
+ : "r" (target),
+ "r" (delta)
+ : "memory", "cc");
+
+ return (void *)(previous);
+}
+
*** DIFF OUTPUT TRUNCATED AT 1000 LINES ***
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