From: <gregkh@linuxfoundation.org>
To: Ram.Amrani@cavium.com, Yuval.Mintz@cavium.com,
alexander.levin@verizon.com, davem@davemloft.net,
gregkh@linuxfoundation.org
Cc: <stable@vger.kernel.org>, <stable-commits@vger.kernel.org>
Subject: Patch "qed: Reserve doorbell BAR space for present CPUs" has been added to the 4.9-stable tree
Date: Thu, 19 Oct 2017 15:14:36 +0200 [thread overview]
Message-ID: <1508418876248150@kroah.com> (raw)
This is a note to let you know that I've just added the patch titled
qed: Reserve doorbell BAR space for present CPUs
to the 4.9-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:
qed-reserve-doorbell-bar-space-for-present-cpus.patch
and it can be found in the queue-4.9 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.
>From foo@baz Thu Oct 19 15:04:02 CEST 2017
From: Ram Amrani <Ram.Amrani@cavium.com>
Date: Mon, 20 Feb 2017 22:43:33 +0200
Subject: qed: Reserve doorbell BAR space for present CPUs
From: Ram Amrani <Ram.Amrani@cavium.com>
[ Upstream commit c2dedf8773e873474535bd4a158609b9eda5403d ]
Reserving doorbell BAR space according to the currently active CPUs
may result in a bug if disabled CPUs are later enabled but no
doorbell space was reserved for them.
Signed-off-by: Ram Amrani <Ram.Amrani@cavium.com>
Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/net/ethernet/qlogic/qed/qed_dev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/ethernet/qlogic/qed/qed_dev.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_dev.c
@@ -877,7 +877,7 @@ qed_hw_init_pf_doorbell_bar(struct qed_h
/* Either EDPM is mandatory, or we are attempting to allocate a
* WID per CPU.
*/
- n_cpus = num_active_cpus();
+ n_cpus = num_present_cpus();
rc = qed_hw_init_dpi_size(p_hwfn, p_ptt, pwm_regsize, n_cpus);
}
Patches currently in stable-queue which might be from Ram.Amrani@cavium.com are
queue-4.9/qed-reserve-doorbell-bar-space-for-present-cpus.patch
queue-4.9/qed-read-queue-state-before-releasing-buffer.patch
reply other threads:[~2017-10-19 13:15 UTC|newest]
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