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c0cb86e1d5
Rather than using the clunky, old, slower wireguard-linux-compat out of tree module, this commit does a patch-by-patch backport of upstream's wireguard to 5.4. This specific backport is in widespread use, being part of SUSE's enterprise kernel, Oracle's enterprise kernel, Google's Android kernel, Gentoo's distro kernel, and probably more I've forgotten about. It's definately the "more proper" way of adding wireguard to a kernel than the ugly compat.h hell of the wireguard-linux-compat repo. And most importantly for OpenWRT, it allows using the same module configuration code for 5.10 as for 5.4, with no need for bifurcation. These patches are from the backport tree which is maintained in the open here: https://git.zx2c4.com/wireguard-linux/log/?h=backport-5.4.y I'll be sending PRs to update this as needed. Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com> (cherry picked from commit3888fa7880) (cherry picked from commitd540725871) (cherry picked from commit196f3d586f) (cherry picked from commit3500fd7938) (cherry picked from commit23b801d3ba) (cherry picked from commit0c0cb97da7) (cherry picked from commit2a27f6f90a) Signed-off-by: Ilya Lipnitskiy <ilya.lipnitskiy@gmail.com>
47 lines
1.4 KiB
Diff
47 lines
1.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Herbert Xu <herbert@gondor.apana.org.au>
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Date: Thu, 23 Jul 2020 17:50:48 +1000
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Subject: [PATCH] crypto: x86/curve25519 - Remove unused carry variables
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commit 054a5540fb8f7268e2c79e9deab4242db15c8cba upstream.
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The carry variables are assigned but never used, which upsets
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the compiler. This patch removes them.
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Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Reviewed-by: Karthikeyan Bhargavan <karthik.bhargavan@gmail.com>
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Acked-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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---
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arch/x86/crypto/curve25519-x86_64.c | 6 ++----
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1 file changed, 2 insertions(+), 4 deletions(-)
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--- a/arch/x86/crypto/curve25519-x86_64.c
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+++ b/arch/x86/crypto/curve25519-x86_64.c
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@@ -948,10 +948,8 @@ static void store_felem(u64 *b, u64 *f)
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{
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u64 f30 = f[3U];
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u64 top_bit0 = f30 >> (u32)63U;
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- u64 carry0;
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u64 f31;
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u64 top_bit;
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- u64 carry;
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u64 f0;
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u64 f1;
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u64 f2;
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@@ -970,11 +968,11 @@ static void store_felem(u64 *b, u64 *f)
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u64 o2;
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u64 o3;
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f[3U] = f30 & (u64)0x7fffffffffffffffU;
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- carry0 = add_scalar(f, f, (u64)19U * top_bit0);
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+ add_scalar(f, f, (u64)19U * top_bit0);
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f31 = f[3U];
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top_bit = f31 >> (u32)63U;
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f[3U] = f31 & (u64)0x7fffffffffffffffU;
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- carry = add_scalar(f, f, (u64)19U * top_bit);
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+ add_scalar(f, f, (u64)19U * top_bit);
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f0 = f[0U];
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f1 = f[1U];
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f2 = f[2U];
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