https://github.com/torvalds/linux
Revision 26a4676faa1ad5d99317e0cd701e5d6f3e716b77 authored by Ard Biesheuvel on 07 November 2018, 17:10:38 UTC, committed by Catalin Marinas on 08 November 2018, 17:50:26 UTC
On arm64, there is no need to add 2 bytes of padding to the start of
each network buffer just to make the IP header appear 32-bit aligned.

Since this might actually adversely affect DMA performance some
platforms, let's override NET_IP_ALIGN to 0 to get rid of this
padding.

Acked-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Tested-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Acked-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
1 parent 313a06e
History
Tip revision: 26a4676faa1ad5d99317e0cd701e5d6f3e716b77 authored by Ard Biesheuvel on 07 November 2018, 17:10:38 UTC
arm64: mm: define NET_IP_ALIGN to 0
Tip revision: 26a4676
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.clang-format -rw-r--r-- 12.7 KB
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