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[net-next,04/10] qed: Reserve doorbell BAR space for present CPUs

Message ID 1487623419-6442-5-git-send-email-Yuval.Mintz@cavium.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Mintz, Yuval Feb. 20, 2017, 8:43 p.m. UTC 
From: Ram Amrani <Ram.Amrani@cavium.com>

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>
---
 drivers/net/ethernet/qlogic/qed/qed_dev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/net/ethernet/qlogic/qed/qed_dev.c b/drivers/net/ethernet/qlogic/qed/qed_dev.c
index 5ee7f04..d6c5a81 100644
--- a/drivers/net/ethernet/qlogic/qed/qed_dev.c
+++ b/drivers/net/ethernet/qlogic/qed/qed_dev.c
@@ -913,7 +913,7 @@  enum QED_ROCE_EDPM_MODE {
 		/* 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);
 	}