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3a187fa718
Also add a new kconfig symbol (CONFIG_KCMP) to the generic config, disabling the SYS_kcmp syscall (it was split from CONFIG_CHECKPOINT_RESTORE, which is disabled by default, so the previous behaviour is kept). Removed (upstreamed) patches: 070-net-icmp-pass-zeroed-opts-from-icmp-v6-_ndo_send-bef.patch 081-wireguard-device-do-not-generate-ICMP-for-non-IP-pac.patch 082-wireguard-queueing-get-rid-of-per-peer-ring-buffers.patch 083-wireguard-kconfig-use-arm-chacha-even-with-no-neon.patch 830-v5.12-0002-usb-serial-option-update-interface-mapping-for-ZTE-P685M.patch Manually rebased patches: 313-helios4-dts-status-led-alias.patch 104-powerpc-mpc85xx-change-P2020RDB-dts-file-for-OpenWRT.patch Run tested: ath79 (TL-WDR3600) mvebu (Turris Omnia) Signed-off-by: Rui Salvaterra <rsalvaterra@gmail.com>
43 lines
1.4 KiB
Diff
43 lines
1.4 KiB
Diff
From a13827e9091c07e25cdeec9a402d74a27e2a1111 Mon Sep 17 00:00:00 2001
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From: "Jason A. Donenfeld" <Jason@zx2c4.com>
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Date: Mon, 22 Feb 2021 17:25:46 +0100
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Subject: [PATCH] wireguard: peer: put frequently used members above cache
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lines
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commit 5a0598695634a6bb4126818902dd9140cd9df8b6 upstream.
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The is_dead boolean is checked for every single packet, while the
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internal_id member is used basically only for pr_debug messages. So it
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makes sense to hoist up is_dead into some space formerly unused by a
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struct hole, while demoting internal_api to below the lowest struct
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cache line.
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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---
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drivers/net/wireguard/peer.h | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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--- a/drivers/net/wireguard/peer.h
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+++ b/drivers/net/wireguard/peer.h
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@@ -39,6 +39,7 @@ struct wg_peer {
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struct prev_queue tx_queue, rx_queue;
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struct sk_buff_head staged_packet_queue;
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int serial_work_cpu;
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+ bool is_dead;
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struct noise_keypairs keypairs;
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struct endpoint endpoint;
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struct dst_cache endpoint_cache;
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@@ -61,9 +62,8 @@ struct wg_peer {
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struct rcu_head rcu;
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struct list_head peer_list;
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struct list_head allowedips_list;
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- u64 internal_id;
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struct napi_struct napi;
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- bool is_dead;
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+ u64 internal_id;
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};
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struct wg_peer *wg_peer_create(struct wg_device *wg,
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