unimore/kernel-hacking-2024-linux-steffo
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Roland Dreier 7644264082 mlx4_core: Improve error message when not enough UAR pages are available 
If an mlx4 device with default FW (which gives a UAR BAR size of 8 MB)
is used in a system with 64 KB pages, then there are only 8192/64==128
UAR pages available.  However, the first 128 UAR pages are reserved
for use with event queue doorbells, so no UAR pages are available to
do anything else with, which means that the driver cannot work.

The current driver fails with a fairly cryptic "Failed to allocate
driver access region, aborting" message in this situation.  Fix the
driver to detect the problem earlier and print out a clearer
description of the problem and a suggestion of how to fix it (use a
new firmware image).

Signed-off-by: Roland Dreier <rolandd@cisco.com>
2008-07-23 08:12:47 -07:00
..
appletalk
arcnet
arm Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 2008-07-18 02:39:39 -07:00
atlx atl1: Do not wake queue before queue has been started. 2008-07-21 08:28:37 -07:00
bonding netdev: Allocate multiple queues for TX. 2008-07-17 19:21:00 -07:00
can
chelsio cxgb: delete non NAPI code from the driver. 2008-07-11 01:11:42 -04:00
cris
cxgb3 Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 2008-07-18 02:39:39 -07:00
e1000 e1000: resolve tx multiqueue bug 2008-07-18 17:50:57 -07:00
e1000e igb/ixgbe/e1000e: resolve tx multiqueue bug 2008-07-18 04:33:03 -07:00
ehea ehea: Access iph->tot_len with correct endianness 2008-07-04 08:15:28 -04:00
fs_enet Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 2008-07-18 02:39:39 -07:00
hamradio hdlcdrv: Fix CRC calculation. 2008-07-21 10:10:56 -07:00
ibm_newemac Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 2008-07-18 02:39:39 -07:00
igb igb/ixgbe/e1000e: resolve tx multiqueue bug 2008-07-18 04:33:03 -07:00
irda Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2008-07-20 17:43:29 -07:00
ixgb netdrv intel: always enable VLAN filtering except in promiscous mode 2008-07-16 20:16:14 -07:00
ixgbe igb/ixgbe/e1000e: resolve tx multiqueue bug 2008-07-18 04:33:03 -07:00
ixp2000 ixp2000: use netdev_alloc_skb 2008-05-22 14:12:39 -04:00
mlx4 mlx4_core: Improve error message when not enough UAR pages are available 2008-07-23 08:12:47 -07:00
myri10ge Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 2008-07-18 02:39:39 -07:00
netxen [netdrvr] netxen: fix netxen_pci_tbl[] breakage 2008-06-27 01:30:46 -04:00
pcmcia Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2008-06-28 01:19:40 -07:00
phy Fix missing exports for net/phy/mdio-bitbang.c 2008-07-11 01:20:34 -04:00
sfc netdev: Do not use TX lock to protect address lists. 2008-07-15 00:15:08 -07:00
skfp
tokenring Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 2008-07-18 02:39:39 -07:00
tulip tulip: remove wrapper around get_unaligned 2008-06-28 10:23:37 -04:00
usb Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 2008-07-18 02:39:39 -07:00
wan Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2008-07-20 17:43:29 -07:00
wireless Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2008-07-20 17:43:29 -07:00
3c59x.c [netdrvr] 3c59x: remove irqs_disabled warning from local_bh_enable 2008-06-27 01:30:33 -04:00
3c501.c
3c501.h
3c503.c 8390: Split 8390 support into a pausing and a non pausing driver core 2008-07-04 08:47:51 -04:00
3c503.h
3c505.c
3c505.h
3c507.c
3c509.c Merge branch 'upstream-next-davem' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6 2008-05-29 03:31:03 -07:00
3c515.c 3c515: fix using pnp_get_resource when CONFIG_ISAPNP=n 2008-05-22 06:34:34 -04:00
3c523.c
3c523.h
3c527.c
3c527.h
7990.c add missing lance_* exports 2008-06-10 18:20:17 -04:00
7990.h
8139cp.c [netdrvr] kill sync_irq-before-freq_irq pattern 2008-06-28 10:23:38 -04:00
8139too.c [netdrvr] kill sync_irq-before-freq_irq pattern 2008-06-28 10:23:38 -04:00
8390.c
8390.h 8390: Split 8390 support into a pausing and a non pausing driver core 2008-07-04 08:47:51 -04:00
8390p.c 8390: Split 8390 support into a pausing and a non pausing driver core 2008-07-04 08:47:51 -04:00
82596.c
a2065.c drivers/net/: remove write-only "last_dev" 2008-06-11 21:58:34 -04:00
a2065.h
ac3200.c
acenic.c
acenic.h
acenic_firmware.h
amd8111e.c amd8111e: delete non NAPI code from the driver. 2008-07-07 22:40:58 -07:00
amd8111e.h
apne.c
ariadne.c ariadne: use netstats in net_device structure 2008-07-20 17:24:38 -07:00
ariadne.h
at1700.c
atarilance.c make drivers/net/atarilance.c:lance_addr_list[] static 2008-06-11 21:58:32 -04:00
atp.c
atp.h
au1000_eth.c netdev: Convert all drivers away from netif_schedule(). 2008-07-17 19:21:15 -07:00
au1000_eth.h
ax88796.c
b44.c ssb, b43, b43legacy, b44: Rewrite SSB DMA API 2008-06-27 09:09:15 -04:00
b44.h
bfin_mac.c netdev: Convert all drivers away from netif_schedule(). 2008-07-17 19:21:15 -07:00
bfin_mac.h
bmac.c
bmac.h
bnx2.c bnx2: Update version to 1.7.9. 2008-07-18 17:58:57 -07:00
bnx2.h bnx2: Add TX multiqueue support. 2008-07-18 17:55:11 -07:00
bnx2_fw.h
bnx2_fw2.h bnx2: Update TPAT firmware 2008-07-18 17:54:17 -07:00
bnx2x.h bnx2x: Add TPA, Broadcoms HW LRO 2008-06-23 20:34:36 -07:00
bnx2x_fw_defs.h bnx2x: Add support for BCM57711 HW 2008-06-23 20:33:01 -07:00
bnx2x_hsi.h bnx2x: New statistics code 2008-06-23 20:33:36 -07:00
bnx2x_init.h bnx2x: Add support for BCM57711 HW 2008-06-23 20:33:01 -07:00
bnx2x_init_values.h bnx2x: New microcode part 3/3 2008-06-23 20:32:28 -07:00
bnx2x_link.c bnx2x: Add support for BCM57711 HW 2008-06-23 20:33:01 -07:00
bnx2x_link.h bnx2x: Adding bnx2x_link 2008-06-23 20:27:26 -07:00
bnx2x_main.c bnx2x: Update version 2008-06-23 20:36:51 -07:00
bnx2x_reg.h bnx2x: Add support for BCM57711 HW 2008-06-23 20:33:01 -07:00
bsd_comp.c
cassini.c
cassini.h
cpmac.c net: Use queue aware tests throughout. 2008-07-17 19:21:07 -07:00
cs89x0.c [netdrvr] CS89X0: Add cleanup for dma after fail 2008-05-30 22:07:11 -04:00
cs89x0.h
de600.c
de600.h
de620.c
de620.h
declance.c drivers/net/: remove write-only "last_dev" 2008-06-11 21:58:34 -04:00
defxx.c
defxx.h
depca.c
depca.h
dl2k.c [netdrvr] kill sync_irq-before-freq_irq pattern 2008-06-28 10:23:38 -04:00
dl2k.h
dm9000.c DM9000: Remove DEFAULT_TRIGGER for request_irq() flags. 2008-06-24 22:58:36 -04:00
dm9000.h DM9000: Add support for DM9000A and DM9000B chips 2008-06-24 22:57:16 -04:00
dummy.c
e100.c e100: Do pci_dma_sync after skb_alloc for proper operation on ixp4xx 2008-06-27 01:30:59 -04:00
e2100.c
eepro.c
eepro100.c
eexpress.c
eexpress.h
enc28j60.c net/enc28j60: low power mode 2008-06-17 23:07:29 -04:00
enc28j60_hw.h
epic100.c
eql.c
es3210.c
eth16i.c
ewrk3.c
ewrk3.h
fealnx.c [netdrvr] fealnx: clean up nasty mess of arch ifdefs 2008-06-28 10:23:37 -04:00
fec.c
fec.h
fec_mpc52xx.c netdev: Convert all drivers away from netif_schedule(). 2008-07-17 19:21:15 -07:00
fec_mpc52xx.h
fec_mpc52xx_phy.c
forcedeth.c netdev: Add netdev->addr_list_lock protection. 2008-07-15 00:13:44 -07:00
gianfar.c gianfar: do not touch net queue in adjust_link phylib callback 2008-07-21 08:29:54 -07:00
gianfar.h gianfar: delete non NAPI code from the driver. 2008-07-11 01:11:44 -04:00
gianfar_ethtool.c
gianfar_mii.c
gianfar_mii.h
gianfar_sysfs.c
hamachi.c hamachi: use netdev_alloc_skb 2008-05-22 14:12:40 -04:00
hp-plus.c
hp.c 8390: Split 8390 support into a pausing and a non pausing driver core 2008-07-04 08:47:51 -04:00
hp100.c
hp100.h
hplance.c make hplance_{init,cleanup}_module() static 2008-06-11 21:58:32 -04:00
hplance.h
hydra.c
ibmlana.c
ibmlana.h
ibmveth.c
ibmveth.h
ifb.c pkt_sched: Kill netdev_queue lock. 2008-07-17 19:21:30 -07:00
ioc3-eth.c
ipg.c ipg: run-time configurable jumbo frame support 2008-07-04 08:46:54 -04:00
ipg.h ipg: run-time configurable jumbo frame support 2008-07-04 08:46:54 -04:00
isa-skeleton.c
iseries_veth.c
jazzsonic.c
Kconfig Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6 2008-07-20 17:43:29 -07:00
korina.c
lance.c
lasi_82596.c
lib8390.c [netdrvr] Fix 8390 build breakage 2008-06-11 22:06:31 -04:00
lib82596.c
LICENSE.SRC
lne390.c
loopback.c netdev: netdev_priv() can now be sane again. 2008-07-17 19:21:09 -07:00
lp486e.c
mac89x0.c
mac8390.c drivers/net/mac8390.c: make functions static 2008-06-11 21:58:33 -04:00
macb.c Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 2008-07-18 02:39:39 -07:00
macb.h
mace.c
mace.h
macmace.c
macsonic.c drivers/net/macsonic.c: make functions static 2008-06-11 21:58:37 -04:00
macvlan.c Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 2008-07-18 02:39:39 -07:00
Makefile Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 2008-07-18 02:39:39 -07:00
meth.c
meth.h
mii.c
mipsnet.c
mv643xx_eth.c mv643xx_eth: update driver version and author fields 2008-06-12 08:40:39 +02:00
mvme147.c
myri_code.h
myri_sbus.c
myri_sbus.h
natsemi.c
ne-h8300.c
ne.c 8390: Split 8390 support into a pausing and a non pausing driver core 2008-07-04 08:47:51 -04:00
ne2.c 8390: Split 8390 support into a pausing and a non pausing driver core 2008-07-04 08:47:51 -04:00
ne2k-pci.c
ne3210.c
netconsole.c configfs: Allow ->make_item() and ->make_group() to return detailed errors. 2008-07-17 15:21:29 -07:00
netx-eth.c
ni52.c
ni52.h
ni65.c
ni65.h
ni5010.c
ni5010.h
niu.c niu: Add TX multiqueue support. 2008-07-17 19:21:17 -07:00
niu.h
ns83820.c ns8320: use netdev_alloc_skb 2008-05-30 22:19:22 -04:00
pasemi_mac.c pasemi_mac: Access iph->tot_len with correct endianness 2008-07-04 08:15:31 -04:00
pasemi_mac.h
pasemi_mac_ethtool.c
pci-skeleton.c [netdrvr] kill sync_irq-before-freq_irq pattern 2008-06-28 10:23:38 -04:00
pcnet32.c Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2008-05-25 23:26:10 -07:00
plip.c
ppp_async.c tty: Ldisc revamp 2008-07-20 17:12:34 -07:00
ppp_deflate.c
ppp_generic.c Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 2008-07-18 02:39:39 -07:00
ppp_mppe.c
ppp_mppe.h
ppp_synctty.c tty: Ldisc revamp 2008-07-20 17:12:34 -07:00
pppoe.c pppoe: warning fix 2008-06-20 21:58:02 -07:00
pppol2tp.c l2tp: Fix potential memory corruption in pppol2tp_recvmsg() 2008-06-10 12:35:00 -07:00
pppox.c
ps3_gelic_net.c ps3: gelic: updown_lock semaphore to mutex 2008-06-03 15:00:14 -04:00
ps3_gelic_net.h ps3: gelic: updown_lock semaphore to mutex 2008-06-03 15:00:14 -04:00
ps3_gelic_wireless.c wext: Emit event stream entries correctly when compat. 2008-06-16 18:50:49 -07:00
ps3_gelic_wireless.h PS3: gelic: Kill the static bounce buffer 2008-06-03 15:00:27 -04:00
qla3xxx.c Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2008-06-28 01:19:40 -07:00
qla3xxx.h
r6040.c drivers/net/r6040.c: Eliminate double sizeof 2008-06-27 01:28:25 -04:00
r8169.c r8169: remove non-napi code 2008-06-29 15:08:28 +02:00
rionet.c
rrunner.c
rrunner.h
s2io-regs.h S2io: Added napi support when MSIX is enabled. 2008-05-22 06:26:21 -04:00
s2io.c net: Use queue aware tests throughout. 2008-07-17 19:21:07 -07:00
s2io.h S2io: Enable msi-x link interrupts. 2008-07-11 01:11:40 -04:00
sb1000.c
sb1250-mac.c Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2008-05-25 23:26:10 -07:00
sc92031.c sc92031: remove bogus unlikely() 2008-05-30 22:07:17 -04:00
seeq8005.c
seeq8005.h
sgiseeq.c
sgiseeq.h
sh_eth.c netdev: Convert all drivers away from netif_schedule(). 2008-07-17 19:21:15 -07:00
sh_eth.h net: sh_eth: Fix compile error sh_eth 2008-06-28 10:23:33 -04:00
sis190.c
sis900.c
sis900.h
skge.c
skge.h
sky2.c Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2008-06-19 16:00:04 -07:00
sky2.h sky2: 88E8057 chip support 2008-06-17 23:59:39 -04:00
slhc.c
slip.c tty: Ldisc revamp 2008-07-20 17:12:34 -07:00
slip.h
smc-mca.c
smc-ultra.c
smc-ultra32.c
smc91x.c net: Eliminate flush_scheduled_work() calls while RTNL is held. 2008-06-12 02:22:02 -07:00
smc91x.h smc91x: fix build error from the SMC_GET_MAC_ADDR API change 2008-06-11 08:38:18 -07:00
smc911x.c Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2008-06-13 20:52:39 -07:00
smc911x.h Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2008-06-13 20:52:39 -07:00
smc9194.c
smc9194.h
sni_82596.c
sonic.c
sonic.h
Space.c
spider_net.c
spider_net.h
spider_net_ethtool.c
starfire.c starfire: delete non NAPI code from the driver. 2008-07-07 22:40:42 -07:00
starfire_firmware.h
starfire_firmware.pl
stnic.c
sun3_82586.c
sun3_82586.h
sun3lance.c
sunbmac.c
sunbmac.h
sundance.c
sungem.c
sungem.h
sungem_phy.c
sungem_phy.h
sunhme.c sunhme: Remove stop/wake TX queue calls in set-multicast-list handler. 2008-07-21 08:34:49 -07:00
sunhme.h
sunlance.c drivers/net/: remove write-only "last_dev" 2008-06-11 21:58:34 -04:00
sunqe.c
sunqe.h
sunvnet.c
sunvnet.h
tc35815.c netdev: Convert all drivers away from netif_schedule(). 2008-07-17 19:21:15 -07:00
tehuti.c netdrv: don't truncate VLAN TCI with VLAN stripping 2008-07-06 20:48:41 -07:00
tehuti.h netdrv: don't truncate VLAN TCI with VLAN stripping 2008-07-06 20:48:41 -07:00
tehuti_fw.h
tg3.c Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2008-06-10 02:22:26 -07:00
tg3.h tg3: Add shmem options. 2008-05-29 01:38:46 -07:00
tlan.c tlan: wrap source lines 2008-05-30 22:18:02 -04:00
tlan.h tlan: wrap source lines 2008-05-30 22:18:02 -04:00
tsi108_eth.c [netdrvr] kill sync_irq-before-freq_irq pattern 2008-06-28 10:23:38 -04:00
tsi108_eth.h
tun.c Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 2008-07-18 02:39:39 -07:00
typhoon-firmware.h
typhoon.c [netdrvr] kill sync_irq-before-freq_irq pattern 2008-06-28 10:23:38 -04:00
typhoon.h
ucc_geth.c ucc_geth: do not touch net queue in adjust_link phylib callback 2008-07-21 08:30:36 -07:00
ucc_geth.h
ucc_geth_ethtool.c Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6 2008-06-10 02:22:26 -07:00
ucc_geth_mii.c drivers/net: Use linux/of_{device,platform}.h instead of asm 2008-06-30 22:30:36 +10:00
ucc_geth_mii.h
veth.c
via-rhine.c via-rhine: delete non NAPI code from the driver. 2008-07-11 01:11:43 -04:00
via-velocity.c via-velocity: add velocity_set_rxbufsize helper 2008-07-11 01:10:15 -04:00
via-velocity.h via-velocity: remove the bounce buffers 2008-07-11 01:10:13 -04:00
virtio_net.c virtio_net: Set VIRTIO_NET_F_GUEST_CSUM feature 2008-07-11 01:20:33 -04:00
wd.c
xen-netfront.c xen-netfront: fix xennet_release_tx_bufs() 2008-07-16 10:55:36 +02:00
yellowfin.c
znet.c
zorro8390.c