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https://github.com/torvalds/linux
23 October 2021, 00:29:24 UTC
Revision cc5060ca0285efe2728bced399a1955a7ce808b2 authored by Jason A. Donenfeld on 04 June 2021, 15:17:32 UTC, committed by David S. Miller on 04 June 2021, 21:25:14 UTC 
wireguard: do not use -O3
 
Apparently, various versions of gcc have O3-related miscompiles. Looking
at the difference between -O2 and -O3 for gcc 11 doesn't indicate
miscompiles, but the difference also doesn't seem so significant for
performance that it's worth risking.

Link: https://lore.kernel.org/lkml/CAHk-=wjuoGyxDhAF8SsrTkN0-YfCx7E6jUN3ikC_tn2AKWTTsA@mail.gmail.com/
Link: https://lore.kernel.org/lkml/CAHmME9otB5Wwxp7H8bR_i2uH2esEMvoBMC8uEXBMH9p0q1s6Bw@mail.gmail.com/
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Fixes: e7096c131e51 ("net: WireGuard secure network tunnel")
Cc: stable@vger.kernel.org
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
1 parent f8873d1
Raw File
Tip revision: cc5060ca0285efe2728bced399a1955a7ce808b2 authored by Jason A. Donenfeld on 04 June 2021, 15:17:32 UTC
wireguard: do not use -O3
Tip revision: cc5060c
Makefile 
# SPDX-License-Identifier: GPL-2.0
ccflags-y				+= -I$(src)

obj-$(CONFIG_ZONEFS_FS) += zonefs.o

zonefs-y	:= super.o
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