This is a note to let you know that I've just added the patch titled
wireguard: kconfig: use arm chacha even with no neon
to the 5.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
wireguard-kconfig-use-arm-chacha-even-with-no-neon.patch
and it can be found in the queue-5.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 276281d3544ceb1b7063ae202b8f80e74dc2a04d
Author: Jason A. Donenfeld <Jason@xxxxxxxxx>
Date: Mon Feb 22 17:25:49 2021 +0100
wireguard: kconfig: use arm chacha even with no neon
[ Upstream commit bce2473927af8de12ad131a743f55d69d358c0b9 ]
The condition here was incorrect: a non-neon fallback implementation is
available on arm32 when NEON is not supported.
Reported-by: Ilya Lipnitskiy <ilya.lipnitskiy@xxxxxxxxx>
Fixes: e7096c131e51 ("net: WireGuard secure network tunnel")
Signed-off-by: Jason A. Donenfeld <Jason@xxxxxxxxx>
Signed-off-by: Jakub Kicinski <kuba@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index c3dbe64e628ea..13e0a8caf3b6f 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -87,7 +87,7 @@ config WIREGUARD
select CRYPTO_CURVE25519_X86 if X86 && 64BIT
select ARM_CRYPTO if ARM
select ARM64_CRYPTO if ARM64
- select CRYPTO_CHACHA20_NEON if (ARM || ARM64) && KERNEL_MODE_NEON
+ select CRYPTO_CHACHA20_NEON if ARM || (ARM64 && KERNEL_MODE_NEON)
select CRYPTO_POLY1305_NEON if ARM64 && KERNEL_MODE_NEON
select CRYPTO_POLY1305_ARM if ARM
select CRYPTO_CURVE25519_NEON if ARM && KERNEL_MODE_NEON
