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idc: zephyr: remove unnecessary cache invd/flush calls 

The IDC message objects are stored to static "idc_work", so
the cache operations are unnecessary when pointers to these
messages are passed around.

Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
This commit is contained in:
Kai Vehmanen 2024-01-17 23:08:23 +02:00 committed by Kai Vehmanen
parent 980f193d09
commit 6f7aee832c
1 changed files with 3 additions and 4 deletions
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7
src/idc/zephyr_idc.c
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@ -73,8 +73,7 @@ static void idc_handler(struct k_p4wq_work *work)
int payload = -1;
k_spinlock_key_t key;
/* A message is received from another core, invalidate local cache */
sys_cache_data_invd_range(msg, sizeof(*msg));
__ASSERT_NO_MSG(!is_cached(msg));
if (msg->size == sizeof(int)) {
const int idc_handler_memcpy_err __unused =
@ -145,8 +144,8 @@ int idc_send_msg(struct idc_msg *msg, uint32_t mode)
/* Temporarily store sender core ID */
msg_cp->core = cpu_get_id();
/* Sending a message to another core, write back local message cache */
sys_cache_data_flush_range(msg_cp, sizeof(*msg_cp));
__ASSERT_NO_MSG(!is_cached(msg_cp));
k_p4wq_submit(q_zephyr_idc + target_cpu, work);
switch (mode) {