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Date: Mon, 24 Aug 2020 12:36:12 -0400 From: Sasha Levin <sashal@...nel.org> To: linux-kernel@...r.kernel.org, stable@...r.kernel.org Cc: Mike Christie <michael.christie@...cle.com>, Hannes Reinecke <hare@...e.de>, Lee Duncan <lduncan@...e.com>, "Martin K . Petersen" <martin.petersen@...cle.com>, Sasha Levin <sashal@...nel.org>, intel-wired-lan@...ts.osuosl.org, netdev@...r.kernel.org Subject: [PATCH AUTOSEL 5.7 33/54] scsi: fcoe: Fix I/O path allocation From: Mike Christie <michael.christie@...cle.com> [ Upstream commit fa39ab5184d64563cd36f2fb5f0d3fbad83a432c ] ixgbe_fcoe_ddp_setup() can be called from the main I/O path and is called with a spin_lock held, so we have to use GFP_ATOMIC allocation instead of GFP_KERNEL. Link: https://lore.kernel.org/r/1596831813-9839-1-git-send-email-michael.christie@oracle.com cc: Hannes Reinecke <hare@...e.de> Reviewed-by: Lee Duncan <lduncan@...e.com> Signed-off-by: Mike Christie <michael.christie@...cle.com> Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com> Signed-off-by: Sasha Levin <sashal@...nel.org> --- drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c index ec7a11d13fdc0..9e70b9a674409 100644 --- a/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c +++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_fcoe.c @@ -192,7 +192,7 @@ static int ixgbe_fcoe_ddp_setup(struct net_device *netdev, u16 xid, } /* alloc the udl from per cpu ddp pool */ - ddp->udl = dma_pool_alloc(ddp_pool->pool, GFP_KERNEL, &ddp->udp); + ddp->udl = dma_pool_alloc(ddp_pool->pool, GFP_ATOMIC, &ddp->udp); if (!ddp->udl) { e_err(drv, "failed allocated ddp context\n"); goto out_noddp_unmap; -- 2.25.1
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