forked from Openwrt/openwrt
1e6c6a36f5
Changelog: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.68 Removed upstreamed: generic/backport-6.1/795-v6.6-12-r8152-Rename-RTL8152_UNPLUG-to-RTL8152_INACCESSIBLE.patch[1] Manually rebased: mediatek/patches-6.1/100-dts-update-mt7622-rfb1.patch All other patches automatically rebased. 1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.1.68&id=3759e735562a31e44fee825498f05c06e64b25a8 Build system: x86/64 Build-tested: x86/64/AMD Cezanne Run-tested: x86/64/AMD Cezanne Signed-off-by: John Audia <therealgraysky@proton.me>
40 lines
1.4 KiB
Diff
40 lines
1.4 KiB
Diff
From cf74eb5a5bc867258e7d0b0d1c3c4a60e1e3de2f Mon Sep 17 00:00:00 2001
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From: Jakub Kicinski <kuba@kernel.org>
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Date: Mon, 14 Aug 2023 08:35:21 -0700
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Subject: [PATCH] eth: r8152: try to use a normal budget
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Mario reports that loading r8152 on his system leads to a:
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netif_napi_add_weight() called with weight 256
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warning getting printed. We don't have any solid data
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on why such high budget was chosen, and it may cause
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stalls in processing other softirqs and rt threads.
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So try to switch back to the default (64) weight.
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If this slows down someone's system we should investigate
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which part of stopping starting the NAPI poll in this
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driver are expensive.
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Reported-by: Mario Limonciello <mario.limonciello@amd.com>
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Link: https://lore.kernel.org/all/0bfd445a-81f7-f702-08b0-bd5a72095e49@amd.com/
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Acked-by: Hayes Wang <hayeswang@realtek.com>
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Link: https://lore.kernel.org/r/20230814153521.2697982-1-kuba@kernel.org
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Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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---
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drivers/net/usb/r8152.c | 3 +--
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1 file changed, 1 insertion(+), 2 deletions(-)
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--- a/drivers/net/usb/r8152.c
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+++ b/drivers/net/usb/r8152.c
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@@ -9784,8 +9784,7 @@ static int rtl8152_probe(struct usb_inte
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usb_set_intfdata(intf, tp);
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- netif_napi_add_weight(netdev, &tp->napi, r8152_poll,
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- tp->support_2500full ? 256 : 64);
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+ netif_napi_add(netdev, &tp->napi, r8152_poll);
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ret = register_netdev(netdev);
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if (ret != 0) {
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