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14b6c72541
They're already in linux.git, so they shouldn't be in pending. Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
51 lines
1.9 KiB
Diff
51 lines
1.9 KiB
Diff
From patchwork Mon Mar 5 21:40:27 2018
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Content-Type: text/plain; charset="utf-8"
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MIME-Version: 1.0
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Content-Transfer-Encoding: 7bit
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Subject: [net, v2,
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3/6] e1000e: Fix queue interrupt re-raising in Other interrupt
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X-Patchwork-Submitter: "Kirsher, Jeffrey T" <jeffrey.t.kirsher@intel.com>
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X-Patchwork-Id: 881775
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X-Patchwork-Delegate: davem@davemloft.net
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Message-Id: <20180305214030.25141-4-jeffrey.t.kirsher@intel.com>
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To: davem@davemloft.net
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Cc: Benjamin Poirier <bpoirier@suse.com>, netdev@vger.kernel.org,
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nhorman@redhat.com, sassmann@redhat.com, jogreene@redhat.com,
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Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Date: Mon, 5 Mar 2018 13:40:27 -0800
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From: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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List-Id: <netdev.vger.kernel.org>
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From: Benjamin Poirier <bpoirier@suse.com>
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Restores the ICS write for Rx/Tx queue interrupts which was present before
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commit 16ecba59bc33 ("e1000e: Do not read ICR in Other interrupt", v4.5-rc1)
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but was not restored in commit 4aea7a5c5e94
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("e1000e: Avoid receiver overrun interrupt bursts", v4.15-rc1).
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This re-raises the queue interrupts in case the txq or rxq bits were set in
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ICR and the Other interrupt handler read and cleared ICR before the queue
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interrupt was raised.
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Fixes: 4aea7a5c5e94 ("e1000e: Avoid receiver overrun interrupt bursts")
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Signed-off-by: Benjamin Poirier <bpoirier@suse.com>
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Acked-by: Alexander Duyck <alexander.h.duyck@intel.com>
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Tested-by: Aaron Brown <aaron.f.brown@intel.com>
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Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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---
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drivers/net/ethernet/intel/e1000e/netdev.c | 3 +++
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1 file changed, 3 insertions(+)
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--- a/drivers/net/ethernet/intel/e1000e/netdev.c
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+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
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@@ -1915,6 +1915,9 @@ static irqreturn_t e1000_msix_other(int
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icr = er32(ICR);
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ew32(ICR, E1000_ICR_OTHER);
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+ if (icr & adapter->eiac_mask)
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+ ew32(ICS, (icr & adapter->eiac_mask));
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+
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if (icr & E1000_ICR_LSC) {
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ew32(ICR, E1000_ICR_LSC);
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hw->mac.get_link_status = true;
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