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linux-stable-mirror/drivers/crypto
Bharat Bhushan 90bc643296 crypto: octeontx2 - Fix address alignment on CN10KB and CN10KA-B0
commit a091a58b8a upstream.

octeontx2 crypto driver allocates memory using kmalloc/kzalloc,
and uses this memory for dma (does dma_map_single()). It assumes
that kmalloc/kzalloc will return 128-byte aligned address. But
kmalloc/kzalloc returns 8-byte aligned address after below changes:
  "9382bc44b5f5 arm64: allow kmalloc() caches aligned to the
   smaller cache_line_size()

Memory allocated are used for following purpose:
 - Input data or scatter list address - 8-Byte alignment
 - Output data or gather list address - 8-Byte alignment
 - Completion address - 32-Byte alignment.

This patch ensures all addresses are aligned as mentioned above.

Signed-off-by: Bharat Bhushan <bbhushan2@marvell.com>
Cc: <stable@vger.kernel.org> # v6.8+
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2025-08-28 16:30:55 +02:00
..
2025-07-10 16:04:54 +02:00