This is the one thing from Ola's patch that everybody agrees (I guess). After 
rebase, Ola can send out separate patches each solving an individual problem. 


-Petri



> -----Original Message-----
> From: lng-odp-boun...@lists.linaro.org [mailto:lng-odp-
> boun...@lists.linaro.org] On Behalf Of ext Maxim Uvarov
> Sent: Thursday, November 06, 2014 12:54 AM
> To: lng-odp@lists.linaro.org
> Subject: Re: [lng-odp] [PATCH] Removed odp_atomic_int_t
> 
> Applying this patch will conflict with Ola's work right? Do we need take
> decision about Ola's patch?
> Which way we go with that patch or with Ola's?
> 
> Maxim.
> 
> On 11/05/2014 03:56 PM, Santosh Shukla wrote:
> >
> >
> > On 31 October 2014 19:09, Petri Savolainen
> > <petri.savolai...@linaro.org <mailto:petri.savolai...@linaro.org>>
> wrote:
> >
> >     Integer version is not needed. Unsigned 32 and 64 bit atomics
> >     are used instead. If signed 32/64 bits can be added later
> >
> >
> > instead - if signed 32/64 bits required then can be added later on
> > need basis.
> >
> >
> >     on need basis.
> >
> >     Signed-off-by: Petri Savolainen <petri.savolai...@linaro.org
> >     <mailto:petri.savolai...@linaro.org>>
> >     ---
> >      platform/linux-generic/include/api/odp_atomic.h    | 115
> >     ---------------------
> >      platform/linux-generic/include/api/odp_barrier.h   |   4 +-
> >      .../linux-generic/include/odp_buffer_internal.h    |   2 +-
> >      platform/linux-generic/odp_barrier.c               |   6 +-
> >      platform/linux-generic/odp_thread.c                |   6 +-
> >      test/api_test/odp_atomic_test.c                    |  80
> >     ++------------
> >      test/api_test/odp_atomic_test.h                    |   9 --
> >      7 files changed, 16 insertions(+), 206 deletions(-)
> >
> >     diff --git a/platform/linux-generic/include/api/odp_atomic.h
> >     b/platform/linux-generic/include/api/odp_atomic.h
> >     index 213c81f..5c83b39 100644
> >     --- a/platform/linux-generic/include/api/odp_atomic.h
> >     +++ b/platform/linux-generic/include/api/odp_atomic.h
> >     @@ -26,10 +26,6 @@ extern "C" {
> >       *  @{
> >       */
> >
> >     -/**
> >     - * Atomic integer
> >     - */
> >     -typedef volatile int32_t odp_atomic_int_t;
> >
> >      /**
> >       * Atomic unsigned integer 64 bits
> >     @@ -43,117 +39,6 @@ typedef volatile uint32_t odp_atomic_u32_t;
> >
> >
> >      /**
> >     - * Initialize atomic integer
> >     - *
> >     - * @param ptr    An integer atomic variable
> >     - *
> >     - * @note The operation is not synchronized with other threads
> >     - */
> >     -static inline void odp_atomic_init_int(odp_atomic_int_t *ptr)
> >     -{
> >     -       *ptr = 0;
> >     -}
> >     -
> >     -/**
> >     - * Load value of atomic integer
> >     - *
> >     - * @param ptr    An atomic variable
> >     - *
> >     - * @return atomic integer value
> >     - *
> >     - * @note The operation is not synchronized with other threads
> >     - */
> >     -static inline int odp_atomic_load_int(odp_atomic_int_t *ptr)
> >     -{
> >     -       return *ptr;
> >     -}
> >     -
> >     -/**
> >     - * Store value to atomic integer
> >     - *
> >     - * @param ptr        An atomic variable
> >     - * @param new_value  Store new_value to a variable
> >     - *
> >     - * @note The operation is not synchronized with other threads
> >     - */
> >     -static inline void odp_atomic_store_int(odp_atomic_int_t *ptr,
> >     int new_value)
> >     -{
> >     -       *ptr = new_value;
> >     -}
> >     -
> >     -/**
> >     - * Fetch and add atomic integer
> >     - *
> >     - * @param ptr    An atomic variable
> >     - * @param value  A value to be added to the variable
> >     - *
> >     - * @return Value of the variable before the operation
> >     - */
> >     -static inline int odp_atomic_fetch_add_int(odp_atomic_int_t *ptr,
> >     int value)
> >     -{
> >     -       return __sync_fetch_and_add(ptr, value);
> >     -}
> >     -
> >     -/**
> >     - * Fetch and subtract atomic integer
> >     - *
> >     - * @param ptr    An atomic integer variable
> >     - * @param value  A value to be subtracted from the variable
> >     - *
> >     - * @return Value of the variable before the operation
> >     - */
> >     -static inline int odp_atomic_fetch_sub_int(odp_atomic_int_t *ptr,
> >     int value)
> >     -{
> >     -       return __sync_fetch_and_sub(ptr, value);
> >     -}
> >     -
> >     -/**
> >     - * Fetch and increment atomic integer by 1
> >     - *
> >     - * @param ptr    An atomic variable
> >     - *
> >     - * @return Value of the variable before the operation
> >     - */
> >     -static inline int odp_atomic_fetch_inc_int(odp_atomic_int_t *ptr)
> >     -{
> >     -       return odp_atomic_fetch_add_int(ptr, 1);
> >     -}
> >     -
> >     -/**
> >     - * Increment atomic integer by 1
> >     - *
> >     - * @param ptr    An atomic variable
> >     - *
> >     - */
> >     -static inline void odp_atomic_inc_int(odp_atomic_int_t *ptr)
> >     -{
> >     -       odp_atomic_fetch_add_int(ptr, 1);
> >     -}
> >     -
> >     -/**
> >     - * Fetch and decrement atomic integer by 1
> >     - *
> >     - * @param ptr    An atomic int variable
> >     - *
> >     - * @return Value of the variable before the operation
> >     - */
> >     -static inline int odp_atomic_fetch_dec_int(odp_atomic_int_t *ptr)
> >     -{
> >     -       return odp_atomic_fetch_sub_int(ptr, 1);
> >     -}
> >     -
> >     -/**
> >     - * Decrement atomic integer by 1
> >     - *
> >     - * @param ptr    An atomic variable
> >     - *
> >     - */
> >     -static inline void odp_atomic_dec_int(odp_atomic_int_t *ptr)
> >     -{
> >     -       odp_atomic_fetch_sub_int(ptr, 1);
> >     -}
> >     -
> >     -/**
> >       * Initialize atomic uint32
> >       *
> >       * @param ptr    An atomic variable
> >     diff --git a/platform/linux-generic/include/api/odp_barrier.h
> >     b/platform/linux-generic/include/api/odp_barrier.h
> >     index 866648f..fb02a9d 100644
> >     --- a/platform/linux-generic/include/api/odp_barrier.h
> >     +++ b/platform/linux-generic/include/api/odp_barrier.h
> >     @@ -31,8 +31,8 @@ extern "C" {
> >       * ODP execution barrier
> >       */
> >      typedef struct odp_barrier_t {
> >     -       int              count;  /**< @private Thread count */
> >     -       odp_atomic_int_t bar;    /**< @private Barrier counter */
> >     +       uint32_t         count;  /**< @private Thread count */
> >     +       odp_atomic_u32_t bar;    /**< @private Barrier counter */
> >      } odp_barrier_t;
> >
> >
> >     diff --git a/platform/linux-generic/include/odp_buffer_internal.h
> >     b/platform/linux-generic/include/odp_buffer_internal.h
> >     index 2002b51..0027bfc 100644
> >     --- a/platform/linux-generic/include/odp_buffer_internal.h
> >     +++ b/platform/linux-generic/include/odp_buffer_internal.h
> >     @@ -88,7 +88,7 @@ typedef struct odp_buffer_hdr_t {
> >             uint32_t                 index;      /* buf index in the
> >     pool */
> >             size_t                   size;       /* max data size */
> >             size_t                   cur_offset; /* current offset */
> >     -       odp_atomic_int_t         ref_count;  /* reference count */
> >     +       odp_atomic_u32_t         ref_count;  /* reference count */
> >             odp_buffer_scatter_t     scatter;    /* Scatter/gather list
> */
> >             int                      type;       /* type of next header
> */
> >             odp_buffer_pool_t        pool_hdl;   /* buffer pool handle
> */
> >     diff --git a/platform/linux-generic/odp_barrier.c
> >     b/platform/linux-generic/odp_barrier.c
> >     index a82b294..f4a87c8 100644
> >     --- a/platform/linux-generic/odp_barrier.c
> >     +++ b/platform/linux-generic/odp_barrier.c
> >     @@ -11,7 +11,7 @@
> >      void odp_barrier_init_count(odp_barrier_t *barrier, int count)
> >      {
> >             barrier->count = count;
> >     -       barrier->bar = 0;
> >     +       barrier->bar   = 0;
> >             odp_sync_stores();
> >      }
> >
> >     @@ -30,12 +30,12 @@ void odp_barrier_init_count(odp_barrier_t
> >     *barrier, int count)
> >
> >      void odp_barrier_sync(odp_barrier_t *barrier)
> >      {
> >     -       int count;
> >     +       uint32_t count;
> >             int wasless;
> >
> >             odp_sync_stores();
> >             wasless = barrier->bar < barrier->count;
> >     -       count = odp_atomic_fetch_inc_int(&barrier->bar);
> >     +       count   = odp_atomic_fetch_inc_u32(&barrier->bar);
> >
> >             if (count == 2*barrier->count-1) {
> >                     barrier->bar = 0;
> >     diff --git a/platform/linux-generic/odp_thread.c
> >     b/platform/linux-generic/odp_thread.c
> >     index b869b27..dcb893d 100644
> >     --- a/platform/linux-generic/odp_thread.c
> >     +++ b/platform/linux-generic/odp_thread.c
> >     @@ -31,7 +31,7 @@ typedef struct {
> >
> >      typedef struct {
> >             thread_state_t   thr[ODP_CONFIG_MAX_THREADS];
> >     -       odp_atomic_int_t num;
> >     +       odp_atomic_u32_t num;
> >
> >      } thread_globals_t;
> >
> >     @@ -64,10 +64,10 @@ int odp_thread_init_global(void)
> >
> >      static int thread_id(void)
> >      {
> >     -       int id;
> >     +       uint32_t id;
> >             int cpu;
> >
> >     -       id = odp_atomic_fetch_add_int(&thread_globals->num, 1);
> >     +       id = odp_atomic_fetch_inc_u32(&thread_globals->num);
> >
> >             if (id >= ODP_CONFIG_MAX_THREADS) {
> >                     ODP_ERR("Too many threads\n");
> >     diff --git a/test/api_test/odp_atomic_test.c
> >     b/test/api_test/odp_atomic_test.c
> >     index d92a8c1..3ca7674 100644
> >     --- a/test/api_test/odp_atomic_test.c
> >     +++ b/test/api_test/odp_atomic_test.c
> >     @@ -10,17 +10,14 @@
> >      #include <odp_common.h>
> >      #include <odp_atomic_test.h>
> >
> >     -static odp_atomic_int_t a32;
> >      static odp_atomic_u32_t a32u;
> >      static odp_atomic_u64_t a64u;
> >
> >     -static odp_atomic_int_t numthrds;
> >     +static odp_atomic_u32_t numthrds;
> >
> >      static const char * const test_name[] = {
> >             "dummy",
> >             "test atomic basic ops add/sub/inc/dec",
> >     -       "test atomic inc/dec of signed word",
> >     -       "test atomic add/sub of signed word",
> >             "test atomic inc/dec of unsigned word",
> >             "test atomic add/sub of unsigned word",
> >             "test atomic inc/dec of unsigned double word",
> >     @@ -34,12 +31,10 @@ static void usage(void)
> >             printf("\n./odp_atomic -t <testcase> -n <num of
> pthread>,\n\n"
> >                    "\t<testcase> is\n"
> >                    "\t\t1 - Test mix(does inc,dec,add,sub on 32/64
> bit)\n"
> >     -              "\t\t2 - Test inc dec of signed word\n"
> >     -              "\t\t3 - Test add sub of signed word\n"
> >     -              "\t\t4 - Test inc dec of unsigned word\n"
> >     -              "\t\t5 - Test add sub of unsigned word\n"
> >     -              "\t\t6 - Test inc dec of double word\n"
> >     -              "\t\t7 - Test add sub of double word\n"
> >     +              "\t\t2 - Test inc dec of unsigned word\n"
> >     +              "\t\t3 - Test add sub of unsigned word\n"
> >     +              "\t\t4 - Test inc dec of double word\n"
> >     +              "\t\t5 - Test add sub of double word\n"
> >                    "\t<num of pthread> is optional\n"
> >                    "\t\t<1 - 31> - no of pthreads to start\n"
> >                    "\t\tif user doesn't specify this option, then\n"
> >     @@ -50,13 +45,6 @@ static void usage(void)
> >                    "\t\t./odp_atomic -t 3 -n 12\n");
> >      }
> >
> >     -void test_atomic_inc_32(void)
> >     -{
> >     -       int i;
> >     -
> >     -       for (i = 0; i < CNT; i++)
> >     -               odp_atomic_inc_int(&a32);
> >     -}
> >
> >      void test_atomic_inc_u32(void)
> >      {
> >     @@ -74,14 +62,6 @@ void test_atomic_inc_64(void)
> >                     odp_atomic_inc_u64(&a64u);
> >      }
> >
> >     -void test_atomic_dec_32(void)
> >     -{
> >     -       int i;
> >     -
> >     -       for (i = 0; i < CNT; i++)
> >     -               odp_atomic_dec_int(&a32);
> >     -}
> >     -
> >      void test_atomic_dec_u32(void)
> >      {
> >             int i;
> >     @@ -98,14 +78,6 @@ void test_atomic_dec_64(void)
> >                     odp_atomic_dec_u64(&a64u);
> >      }
> >
> >     -void test_atomic_add_32(void)
> >     -{
> >     -       int i;
> >     -
> >     -       for (i = 0; i < (CNT / ADD_SUB_CNT); i++)
> >     -               odp_atomic_fetch_add_int(&a32, ADD_SUB_CNT);
> >     -}
> >     -
> >      void test_atomic_add_u32(void)
> >      {
> >             int i;
> >     @@ -122,14 +94,6 @@ void test_atomic_add_64(void)
> >                     odp_atomic_fetch_add_u64(&a64u, ADD_SUB_CNT);
> >      }
> >
> >     -void test_atomic_sub_32(void)
> >     -{
> >     -       int i;
> >     -
> >     -       for (i = 0; i < (CNT / ADD_SUB_CNT); i++)
> >     -               odp_atomic_fetch_sub_int(&a32, ADD_SUB_CNT);
> >     -}
> >     -
> >      void test_atomic_sub_u32(void)
> >      {
> >             int i;
> >     @@ -146,18 +110,6 @@ void test_atomic_sub_64(void)
> >                     odp_atomic_fetch_sub_u64(&a64u, ADD_SUB_CNT);
> >      }
> >
> >     -void test_atomic_inc_dec_32(void)
> >     -{
> >     -       test_atomic_inc_32();
> >     -       test_atomic_dec_32();
> >     -}
> >     -
> >     -void test_atomic_add_sub_32(void)
> >     -{
> >     -       test_atomic_add_32();
> >     -       test_atomic_sub_32();
> >     -}
> >     -
> >      void test_atomic_inc_dec_u32(void)
> >      {
> >             test_atomic_inc_u32();
> >     @@ -188,11 +140,6 @@ void test_atomic_add_sub_64(void)
> >       */
> >      void test_atomic_basic(void)
> >      {
> >     -       test_atomic_inc_32();
> >     -       test_atomic_dec_32();
> >     -       test_atomic_add_32();
> >     -       test_atomic_sub_32();
> >     -
> >             test_atomic_inc_u32();
> >             test_atomic_dec_u32();
> >             test_atomic_add_u32();
> >     @@ -206,25 +153,18 @@ void test_atomic_basic(void)
> >
> >      void test_atomic_init(void)
> >      {
> >     -       odp_atomic_init_int(&a32);
> >             odp_atomic_init_u32(&a32u);
> >             odp_atomic_init_u64(&a64u);
> >      }
> >
> >      void test_atomic_store(void)
> >      {
> >     -       odp_atomic_store_int(&a32, S32_INIT_VAL);
> >             odp_atomic_store_u32(&a32u, U32_INIT_VAL);
> >             odp_atomic_store_u64(&a64u, U64_INIT_VAL);
> >      }
> >
> >      int test_atomic_validate(void)
> >      {
> >     -       if (odp_atomic_load_int(&a32) != S32_INIT_VAL) {
> >     -               ODP_ERR("Atomic signed 32 usual functions
> failed\n");
> >     -               return -1;
> >     -       }
> >     -
> >             if (odp_atomic_load_u32(&a32u) != U32_INIT_VAL) {
> >                     ODP_ERR("Atomic u32 usual functions failed\n");
> >                     return -1;
> >     @@ -247,7 +187,7 @@ static void *run_thread(void *arg)
> >
> >             ODP_DBG("Thread %i starts\n", thr);
> >
> >     -       odp_atomic_inc_int(&numthrds);
> >     +       odp_atomic_inc_u32(&numthrds);
> >
> >             /* Wait here until all pthreads are created */
> >             while (*(volatile int *)&numthrds < parg->numthrds)
> >     @@ -259,12 +199,6 @@ static void *run_thread(void *arg)
> >             case TEST_MIX:
> >                     test_atomic_basic();
> >                     break;
> >     -       case TEST_INC_DEC_S32:
> >     -               test_atomic_inc_dec_32();
> >     -               break;
> >     -       case TEST_ADD_SUB_S32:
> >     -               test_atomic_add_sub_32();
> >     -               break;
> >             case TEST_INC_DEC_U32:
> >                     test_atomic_inc_dec_u32();
> >                     break;
> >     @@ -328,7 +262,7 @@ int main(int argc, char *argv[])
> >             if (pthrdnum == 0)
> >                     pthrdnum = odp_sys_core_count();
> >
> >     -       odp_atomic_init_int(&numthrds);
> >     +       odp_atomic_init_u32(&numthrds);
> >             test_atomic_init();
> >             test_atomic_store();
> >
> >     diff --git a/test/api_test/odp_atomic_test.h
> >     b/test/api_test/odp_atomic_test.h
> >     index 7814da5..aaa9d34 100644
> >     --- a/test/api_test/odp_atomic_test.h
> >     +++ b/test/api_test/odp_atomic_test.h
> >     @@ -18,14 +18,11 @@
> >      #define ADD_SUB_CNT    5
> >
> >      #define        CNT 500000
> >     -#define        S32_INIT_VAL    (1UL << 10)
> >      #define        U32_INIT_VAL    (1UL << 10)
> >      #define        U64_INIT_VAL    (1ULL << 33)
> >
> >      typedef enum {
> >             TEST_MIX = 1, /* Must be first test case num */
> >     -       TEST_INC_DEC_S32,
> >     -       TEST_ADD_SUB_S32,
> >             TEST_INC_DEC_U32,
> >             TEST_ADD_SUB_U32,
> >             TEST_INC_DEC_64,
> >     @@ -34,16 +31,10 @@ typedef enum {
> >      } odp_test_atomic_t;
> >
> >
> >     -void test_atomic_inc_dec_32(void);
> >     -void test_atomic_add_sub_32(void);
> >      void test_atomic_inc_dec_u32(void);
> >      void test_atomic_add_sub_u32(void);
> >      void test_atomic_inc_dec_64(void);
> >      void test_atomic_add_sub_64(void);
> >
> >
> > so as we should replace above 2 api from _64 to _u64, right?
> >
> >     -void test_atomic_inc_32(void);
> >     -void test_atomic_dec_32(void);
> >     -void test_atomic_add_32(void);
> >     -void test_atomic_sub_32(void);
> >      void test_atomic_inc_u32(void);
> >      void test_atomic_dec_u32(void);
> >      void test_atomic_add_u32(void);
> >     --
> >     2.1.1
> >
> >
> >     _______________________________________________
> >     lng-odp mailing list
> >     lng-odp@lists.linaro.org <mailto:lng-odp@lists.linaro.org>
> >     http://lists.linaro.org/mailman/listinfo/lng-odp
> >
> >
> >
> >
> > _______________________________________________
> > lng-odp mailing list
> > lng-odp@lists.linaro.org
> > http://lists.linaro.org/mailman/listinfo/lng-odp
> 
> 
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