In roc batch alloc wait code, __ATOMIC_RELAXED is changed to __ATOMIC_ACQUIRE in order to avoid potential out of order loads.
Signed-off-by: Nawal Kishor <[email protected]> --- .mailmap | 1 + drivers/common/cnxk/roc_npa.h | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/.mailmap b/.mailmap index 4a508bafad..14226ccd2d 100644 --- a/.mailmap +++ b/.mailmap @@ -1046,6 +1046,7 @@ Natanael Copa <[email protected]> Nathan Brown <[email protected]> Nathan Law <[email protected]> Nathan Skrzypczak <[email protected]> +Nawal Kishor <[email protected]> Neel Patel <[email protected]> <[email protected]> Neil Horman <[email protected]> Nelio Laranjeiro <[email protected]> diff --git a/drivers/common/cnxk/roc_npa.h b/drivers/common/cnxk/roc_npa.h index 4ad5f044b5..ebc2a62536 100644 --- a/drivers/common/cnxk/roc_npa.h +++ b/drivers/common/cnxk/roc_npa.h @@ -247,7 +247,7 @@ roc_npa_batch_alloc_wait(uint64_t *cache_line, unsigned int wait_us) /* Batch alloc status code is updated in bits [5:6] of the first word * of the 128 byte cache line. */ - while (((__atomic_load_n(cache_line, __ATOMIC_RELAXED) >> 5) & 0x3) == + while (((__atomic_load_n(cache_line, __ATOMIC_ACQUIRE) >> 5) & 0x3) == ALLOC_CCODE_INVAL) if (wait_us && (plt_tsc_cycles() - start) >= ticks) break; -- 2.34.1
