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- Log ----------------------------------------------------------------- commit f53fda91d2919eee33b5a177ef818be1092c890b Author: Christophe Milard christophe.milard@linaro.org Date: Mon Jan 2 10:41:42 2017 +0100

linux-gen: init: avoiding segfault if cleaning files

The call the the cleanup_files() function (which cleans up possible remaining file(s) from a defunc OPD with same pid) may use ODP_DBG and ODP_ERR functions, but is (before this patch) placed before these ODP_* functions are initialized. This would surely sigfault. The call the the cleanup_files() function is hence placed after ODP_DBG and ODP_ERR function initialization to avoid this situation.

Signed-off-by: Christophe Milard christophe.milard@linaro.org Reviewed-by: Bill Fischofer bill.fischofer@linaro.org Signed-off-by: Maxim Uvarov maxim.uvarov@linaro.org

diff --git a/platform/linux-generic/odp_init.c b/platform/linux-generic/odp_init.c index 1b0d8f8..06c6143 100644 --- a/platform/linux-generic/odp_init.c +++ b/platform/linux-generic/odp_init.c @@ -73,7 +73,6 @@ int odp_init_global(odp_instance_t *instance,

memset(&odp_global_data, 0, sizeof(struct odp_global_data_s)); odp_global_data.main_pid = getpid(); - cleanup_files(_ODP_TMPDIR, odp_global_data.main_pid);

enum init_stage stage = NO_INIT; odp_global_data.log_fn = odp_override_log; @@ -86,6 +85,8 @@ int odp_init_global(odp_instance_t *instance, odp_global_data.abort_fn = params->abort_fn; }

+ cleanup_files(_ODP_TMPDIR, odp_global_data.main_pid); + if (odp_cpumask_init_global(params)) { ODP_ERR("ODP cpumask init failed.\n"); goto init_failed;

commit 46e088c2f56d1463a598b4ac23308e19bf2b9031 Author: Bill Fischofer bill.fischofer@linaro.org Date: Mon Jan 9 09:24:02 2017 -0600

linux-generic: crypto: add openssl locking support for thread safety

Resolve Bug https://bugs.linaro.org/show_bug.cgi?id=2798 by adding OpenSSL callbacks for locking that use ticketlocks to provide thread-safety for OpenSSL calls made by ODP components such as random number generation.

Signed-off-by: Bill Fischofer bill.fischofer@linaro.org Reviewed-by: Christophe Milard christophe.milard@linaro.org Signed-off-by: Maxim Uvarov maxim.uvarov@linaro.org

diff --git a/platform/linux-generic/odp_crypto.c b/platform/linux-generic/odp_crypto.c index 5808d16..4f17fd6 100644 --- a/platform/linux-generic/odp_crypto.c +++ b/platform/linux-generic/odp_crypto.c @@ -64,6 +64,7 @@ typedef struct odp_crypto_global_s odp_crypto_global_t;

struct odp_crypto_global_s { odp_spinlock_t lock; + odp_ticketlock_t **openssl_lock; odp_crypto_generic_session_t *free; odp_crypto_generic_session_t sessions[0]; }; @@ -948,16 +949,35 @@ odp_crypto_operation(odp_crypto_op_param_t *param, return 0; }

+static unsigned long openssl_thread_id(void) +{ + return (unsigned long)odp_thread_id(); +} + +static void openssl_lock(int mode, int n, + const char *file ODP_UNUSED, + int line ODP_UNUSED) +{ + if (mode & CRYPTO_LOCK) + odp_ticketlock_lock((odp_ticketlock_t *) + &global->openssl_lock[n]); + else + odp_ticketlock_unlock((odp_ticketlock_t *) + &global->openssl_lock[n]); +} + int odp_crypto_init_global(void) { size_t mem_size; odp_shm_t shm; int idx; + int nlocks = CRYPTO_num_locks();

/* Calculate the memory size we need */ mem_size = sizeof(*global); mem_size += (MAX_SESSIONS * sizeof(odp_crypto_generic_session_t)); + mem_size += nlocks * sizeof(odp_ticketlock_t);

/* Allocate our globally shared memory */ shm = odp_shm_reserve("crypto_pool", mem_size, @@ -975,6 +995,18 @@ odp_crypto_init_global(void) } odp_spinlock_init(&global->lock);

+ if (nlocks > 0) { + global->openssl_lock = + (odp_ticketlock_t **)&global->sessions[MAX_SESSIONS]; + + for (idx = 0; idx < nlocks; idx++) + odp_ticketlock_init((odp_ticketlock_t *) + &global->openssl_lock[idx]); + + CRYPTO_set_id_callback(openssl_thread_id); + CRYPTO_set_locking_callback(openssl_lock); + } + return 0; }

@@ -992,6 +1024,9 @@ int odp_crypto_term_global(void) rc = -1; }

+ CRYPTO_set_locking_callback(NULL); + CRYPTO_set_id_callback(NULL); + ret = odp_shm_free(odp_shm_lookup("crypto_pool")); if (ret < 0) { ODP_ERR("shm free failed for crypto_pool\n");

-----------------------------------------------------------------------

Summary of changes: platform/linux-generic/odp_crypto.c | 35 +++++++++++++++++++++++++++++++++++ platform/linux-generic/odp_init.c | 3 ++- 2 files changed, 37 insertions(+), 1 deletion(-)

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