From e587e0d5c1dff700a887e2d7e0abe4cb75bb30ed Mon Sep 17 00:00:00 2001 From: Ashwin Sekhar T K Date: Tue, 30 Nov 2021 11:08:22 +0530 Subject: [PATCH] common/cnxk: ensure ROC cache alignment of NPA stack size When PLT_CACHE_LINE_SIZE is set to 64B, the memzone size reserved for NPA stack could be a multiple of 64B. In such a case, when NDC SYNC is initiated for the NPA LF, it could go and corrupt an additional 64B bytes as NDC flushes in multiples of ROC cache line size (128B). So ensure that NPA stack size requested is a multiple of 128B. Signed-off-by: Ashwin Sekhar T K Acked-by: Jerin Jacob --- drivers/common/cnxk/roc_npa.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/common/cnxk/roc_npa.c b/drivers/common/cnxk/roc_npa.c index efcb7582eb..75fc22442f 100644 --- a/drivers/common/cnxk/roc_npa.c +++ b/drivers/common/cnxk/roc_npa.c @@ -205,6 +205,7 @@ static inline const struct plt_memzone * npa_stack_dma_alloc(struct npa_lf *lf, char *name, int pool_id, size_t size) { const char *mz_name = npa_stack_memzone_name(lf, pool_id, name); + size = PLT_ALIGN_CEIL(size, ROC_ALIGN); return plt_memzone_reserve_aligned(mz_name, size, 0, ROC_ALIGN); } -- 2.39.5