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sfc: Add GFP flags to efx_nic_alloc_buffer() and make most callers allow blocking

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Most call sites for efx_nic_alloc_buffer() are part of the probe or
reconfiguration paths and can allocate with GFP_KERNEL.  A few others
should use GFP_NOIO (I think).  Only one is in atomic context and
must use the current GFP_ATOMIC.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
This commit is contained in:
Ben Hutchings
2012-09-18 21:59:52 +01:00
parent f3ad500344
commit 0d19a540be
9 changed files with 19 additions and 14 deletions
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5
drivers/net/ethernet/sfc/falcon.c
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@@ -1418,7 +1418,7 @@ static int falcon_probe_port(struct efx_nic *efx)
/* Allocate buffer for stats */
rc = efx_nic_alloc_buffer(efx, &efx->stats_buffer,
FALCON_MAC_STATS_SIZE);
FALCON_MAC_STATS_SIZE, GFP_KERNEL);
if (rc)
return rc;
netif_dbg(efx, probe, efx->net_dev,
@@ -2035,7 +2035,8 @@ static int falcon_probe_nic(struct efx_nic *efx)
}
/* Allocate memory for INT_KER */
rc = efx_nic_alloc_buffer(efx, &efx->irq_status, sizeof(efx_oword_t));
rc = efx_nic_alloc_buffer(efx, &efx->irq_status, sizeof(efx_oword_t),
GFP_KERNEL);
if (rc)
goto fail4;
BUG_ON(efx->irq_status.dma_addr & 0x0f);