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2013-09-04drm/nouveau/therm: Set the correct pwm_mode upon resumeEmil Velikov
Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com> Signed-off-by: Martin Peres <martin.peres@labri.fr> Tested-by: Martin Peres <martin.peres@labri.fr> Tested-by: Dash Four <mr.dash.four@googlemail.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-09-04drm/nouveau: require contiguous bo for framebufferMaarten Lankhorst
This was already required before, but no check in the kernel was done to enforce it. Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-09-04drm/nv50-/disp: use the number of dac, sor, pior rather than hardcoded valuesEmil Velikov
The values are already stored on chipset specific basis in the ctor. Make the most of them and simplify the code further by using a temporary variable to avoid code duplication. Signed-off-by: Emil Velikov <emil.l.velikov@gmail.com> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-09-04drm/nouveau: remove duplicate copy of nv44_graph_classIlia Mirkin
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-09-04drm/nouveau/vdec: implement support for VP3 enginesIlia Mirkin
For NV98+, BSP/VP/PPP are all FUC-based engines. Hook them all up in the same way as NVC0, but with a couple of different values. Also make sure that the PPP engine is handled in the fifo/mc/vm. Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-09-04drm/nouveau/core: get rid of math.h, replace log2i with order_base_2Ilia Mirkin
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-09-03kvm eventfd: switch to fdgetAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-09-03powerpc kvm: use fdgetAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-09-03switch fchmod() to fdgetAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-09-03switch epoll_ctl() to fdgetAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-09-03switch copy_module_from_fd() to fdgetAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-09-03git simplify nilfs check for busy subtreeAl Viro
Reviewed-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-09-03ibmasmfs: don't bother passing superblock when not neededAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-09-03don't pass superblock to hypfs_{mkdir,create*}Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-09-03don't pass superblock to hypfs_diag_create_filesAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-09-03don't pass superblock to hypfs_vm_create_files()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-09-03oprofile: get rid of pointless forward declarations of struct super_blockAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-09-03oprofilefs_create_...() do not need superblock argumentAl Viro
same story as with oprofilefs_mkdir() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-09-03oprofilefs_mkdir() doesn't need superblock argumentAl Viro
it's always equal to ->d_sb of the second argument (parent dentry), due to either being literally that, or ->d_sb of parent's parent. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-09-03don't bother with passing superblock to oprofile_create_stats_files()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-09-03oprofile: don't bother with passing superblock to ->create_files()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-09-03don't bother passing sb to oprofile_create_files()Al Viro
it's always root->d_sb Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-09-03coh901318: don't open-code simple_read_from_buffer()Al Viro
... and BTW, failing copy_to_user() means EFAULT, not EINVAL Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-09-03constify touch_atime()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-09-03vfs: allow umount to handle mountpoints without revalidating themJeff Layton
Christopher reported a regression where he was unable to unmount a NFS filesystem where the root had gone stale. The problem is that d_revalidate handles the root of the filesystem differently from other dentries, but d_weak_revalidate does not. We could simply fix this by making d_weak_revalidate return success on IS_ROOT dentries, but there are cases where we do want to revalidate the root of the fs. A umount is really a special case. We generally aren't interested in anything but the dentry and vfsmount that's attached at that point. If the inode turns out to be stale we just don't care since the intent is to stop using it anyway. Try to handle this situation better by treating umount as a special case in the lookup code. Have it resolve the parent using normal means, and then do a lookup of the final dentry without revalidating it. In most cases, the final lookup will come out of the dcache, but the case where there's a trailing symlink or !LAST_NORM entry on the end complicates things a bit. Cc: Neil Brown <neilb@suse.de> Reported-by: Christopher T Vogan <cvogan@us.ibm.com> Signed-off-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-09-03vfs: call d_op->d_prune() before unhashing dentryYan, Zheng
The d_prune dentry operation is used to notify filesystem when VFS about to prune a hashed dentry from the dcache. There are three code paths that prune dentries: shrink_dcache_for_umount_subtree(), prune_dcache_sb() and d_prune_aliases(). For the d_prune_aliases() case, VFS unhashes the dentry first, then call the d_prune dentry operation. This confuses ceph_d_prune() (ceph uses the d_prune dentry operation to maintain a flag indicating whether the complete contents of a directory are in the dcache, pruning unhashed dentry does not affect dir's completeness) This patch fixes the issue by calling the d_prune dentry operation in d_prune_aliases(), before unhashing the dentry. Also make VFS only call the d_prune dentry operation for hashed dentry, to avoid calling the d_prune dentry operation twice when dentry is pruned by d_prune_aliases(). Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-09-03only regular files with FMODE_WRITE need to be on s_filesAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-09-03nfsd: racy access to ->d_name in nsfd4_encode_path()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-09-03shm_mnt is as longterm as it gets, TYVM...Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2013-09-03vhost_net: correctly limit the max pending buffersJason Wang
As Michael point out, We used to limit the max pending DMAs to get better cache utilization. But it was not done correctly since it was one done when there's no new buffers submitted from guest. Guest can easily exceeds the limitation by keeping sending packets. So this patch moves the check into main loop. Tests shows about 5%-10% improvement on per cpu throughput for guest tx. Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-03vhost_net: poll vhost queue after marking DMA is doneJason Wang
We used to poll vhost queue before making DMA is done, this is racy if vhost thread were waked up before marking DMA is done which can result the signal to be missed. Fix this by always polling the vhost thread before DMA is done. Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-03vhost_net: determine whether or not to use zerocopy at one timeJason Wang
Currently, even if the packet length is smaller than VHOST_GOODCOPY_LEN, if upend_idx != done_idx we still set zcopy_used to true and rollback this choice later. This could be avoided by determining zerocopy once by checking all conditions at one time before. Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-03vhost: switch to use vhost_add_used_n()Jason Wang
Let vhost_add_used() to use vhost_add_used_n() to reduce the code duplication. To avoid the overhead brought by __copy_to_user(). We will use put_user() when one used need to be added. Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-03vhost_net: use vhost_add_used_and_signal_n() in vhost_zerocopy_signal_used()Jason Wang
We tend to batch the used adding and signaling in vhost_zerocopy_callback() which may result more than 100 used buffers to be updated in vhost_zerocopy_signal_used() in some cases. So switch to use vhost_add_used_and_signal_n() to avoid multiple calls to vhost_add_used_and_signal(). Which means much less times of used index updating and memory barriers. 2% performance improvement were seen on netperf TCP_RR test. Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-03vhost_net: make vhost_zerocopy_signal_used() return voidJason Wang
None of its caller use its return value, so let it return void. Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-03net: sunhme: use pci_{get,set}_drvdata()Jingoo Han
Use the wrapper functions for getting and setting the driver data using pci_dev instead of using dev_{get,set}_drvdata() with &pdev->dev, so we can directly pass a struct pci_dev. This is a purely cosmetic change. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-03net: tulip: use pci_{get,set}_drvdata()Jingoo Han
Use the wrapper functions for getting and setting the driver data using pci_dev instead of using dev_{get,set}_drvdata() with &pdev->dev, so we can directly pass a struct pci_dev. This is a purely cosmetic change. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-03net: mdio-octeon: use platform_{get,set}_drvdata()Jingoo Han
Use the wrapper functions for getting and setting the driver data using platform_device instead of using dev_{get,set}_drvdata() with &pdev->dev, so we can directly pass a struct platform_device. This is a purely cosmetic change. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-03net: sunhme: use platform_{get,set}_drvdata()Jingoo Han
Use the wrapper functions for getting and setting the driver data using platform_device instead of using dev_{get,set}_drvdata() with &pdev->dev, so we can directly pass a struct platform_device. This is a purely cosmetic change. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-03net: emac: use platform_{get,set}_drvdata()Jingoo Han
Use the wrapper functions for getting and setting the driver data using platform_device instead of using dev_{get,set}_drvdata() with &pdev->dev, so we can directly pass a struct platform_device. This is a purely cosmetic change. Signed-off-by: Jingoo Han <jg1.han@samsung.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-03drivers: net: ethernet: 8390: Kconfig: add H8300H_AKI3068NET and ↵Chen Gang
H8300H_H8MAX dependancy for NE_H8300 Currently only H8300H_AKI3068NET and H8300H_H8MAX define default I/O base and IRQ values for the NE_H8300 driver. Hence builds for other H8300H platforms will fail as per below. Since H8300H does not support multi platform builds, we simply limit building the driver to those two platforms specifically. The release error: drivers/net/ethernet/8390/ne-h8300.c: In function 'init_dev': drivers/net/ethernet/8390/ne-h8300.c:117:23: error: 'h8300_ne_base' undeclared (first use in this function) drivers/net/ethernet/8390/ne-h8300.c:117:23: note: each undeclared identifier is reported only once for each function it appears in drivers/net/ethernet/8390/ne-h8300.c:117:23: error: bit-field '<anonymous>' width not an integer constant drivers/net/ethernet/8390/ne-h8300.c:119:20: error: 'h8300_ne_irq' undeclared (first use in this function) drivers/net/ethernet/8390/ne-h8300.c: In function 'init_module': drivers/net/ethernet/8390/ne-h8300.c:647:21: error: 'h8300_ne_base' undeclared (first use in this function) drivers/net/ethernet/8390/ne-h8300.c:648:15: error: 'h8300_ne_irq' undeclared (first use in this function) drivers/net/ethernet/8390/ne-h8300.c:661:4: warning: format '%x' expects argument of type 'unsigned int', but argument 2 has type 'long unsigned int' [-Wformat] Signed-off-by: Chen Gang <gang.chen@asianux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-03wireless: scan: Remove comment to compare_ether_addrJoe Perches
This function is being removed, so remove the reference to it. Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-03batman: Remove reference to compare_ether_addrJoe Perches
This function is being removed, rename the reference. Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Antonio Quartulli <ordex@autistici.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-03llc: Use normal etherdevice.h testsJoe Perches
Convert the llc_<foo> static inlines to the equivalents from etherdevice.h and remove the llc_<foo> static inline functions. llc_mac_null -> is_zero_ether_addr llc_mac_multicast -> is_multicast_ether_addr llc_mac_match -> ether_addr_equal Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-03drivers/net: Convert uses of compare_ether_addr to ether_addr_equalJoe Perches
Use the new bool function ether_addr_equal to add some clarity and reduce the likelihood for misuse of compare_ether_addr for sorting. Done via cocci script: (and a little typing) $ cat compare_ether_addr.cocci @@ expression a,b; @@ - !compare_ether_addr(a, b) + ether_addr_equal(a, b) @@ expression a,b; @@ - compare_ether_addr(a, b) + !ether_addr_equal(a, b) @@ expression a,b; @@ - !ether_addr_equal(a, b) == 0 + ether_addr_equal(a, b) @@ expression a,b; @@ - !ether_addr_equal(a, b) != 0 + !ether_addr_equal(a, b) @@ expression a,b; @@ - ether_addr_equal(a, b) == 0 + !ether_addr_equal(a, b) @@ expression a,b; @@ - ether_addr_equal(a, b) != 0 + ether_addr_equal(a, b) @@ expression a,b; @@ - !!ether_addr_equal(a, b) + ether_addr_equal(a, b) Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-03USB2NET : SR9700 : One chip USB 1.1 USB2NET SR9700Device Driver SupportLiu Junliang
Signed-off-by: Liu Junliang <liujunliang_ljl@163.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-03tg3: Don't turn off led on 5719 serdes port 0Nithin Sujir
Turning off led on port 0 of the 5719 serdes causes all other ports to lose power and stop functioning. Add tg3_phy_led_bug() function to check for this condition. We use a switch() in tg3_phy_led_bug() for consistency with the tg3_phy_power_bug() function. Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com> Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-03Merge branch 'calxedaxgmac'David S. Miller
A set of calxedaxgmac bug fixes from Rob Herring. Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-03net: calxedaxgmac: fix xgmac_xmit DMA mapping error handlingRob Herring
On a DMA mapping error in xgmac_xmit, we should simply free the skb and return NETDEV_TX_OK rather than -EIO. In the case of errors in mapping frags, we need to undo everything that has been setup. Reported-by: Andreas Herrmann <andreas.herrmann@calxeda.com> Signed-off-by: Rob Herring <rob.herring@calxeda.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2013-09-03net: calxedaxgmac: fix rx DMA mapping API size mismatchesRob Herring
Fix the mismatch in the DMA mapping and unmapping sizes for receive. The unmap size must be equal to the map size and should not be the actual received frame length. The map size should also be adjusted by the NET_IP_ALIGN size since the h/w buffer size (dma_buf_sz) includes this offset. Also, add a missing dma_mapping_error check in xgmac_rx_refill. Reported-by: Lennert Buytenhek <buytenh@wantstofly.org> Signed-off-by: Rob Herring <rob.herring@calxeda.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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