Commit 7f8ea267 authored Feb 20, 2017 by Ram Amrani Committed by Greg Kroah-Hartman Oct 21, 2017

qed: Reserve doorbell BAR space for present CPUs




[ 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>

parent a506d326

drivers/net/ethernet/qlogic/qed/qed_dev.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -877,7 +877,7 @@ qed_hw_init_pf_doorbell_bar(struct qed_hwfn p_hwfn, struct qed_ptt p_ptt)
		/* 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);
		}