Messages in this thread | | | Date | Thu, 14 Sep 2023 13:46:29 +0100 | From | Conor Dooley <> | Subject | Re: [PATCH v4 4/5] riscv: Vector checksum library |
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On Mon, Sep 11, 2023 at 03:57:14PM -0700, Charlie Jenkins wrote: > This patch is not ready for merge as vector support in the kernel is > limited. However, the code has been tested in QEMU so the algorithms > do work. This code requires the kernel to be compiled with C vector > support, but that is not yet possible. It is written in assembly > rather than using the GCC vector instrinsics because they did not > provide optimal code. > > Signed-off-by: Charlie Jenkins <charlie@rivosinc.com> > --- > arch/riscv/lib/csum.c | 92 +++++++++++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 92 insertions(+) > > diff --git a/arch/riscv/lib/csum.c b/arch/riscv/lib/csum.c > index 47d98c51bab2..eb4596fc7f5b 100644 > --- a/arch/riscv/lib/csum.c > +++ b/arch/riscv/lib/csum.c > @@ -12,6 +12,10 @@ > > #include <net/checksum.h> > > +#ifdef CONFIG_RISCV_ISA_V > +#include <riscv_vector.h>
What actually includes this header, I don't see it in either Andy's in-kernel vector series or Bjorn's blake2 one. Can you link to the pre-requisites in your cover letter please.
Thanks, Conor. [unhandled content-type:application/pgp-signature] | |