1. 17 Nov, 2008 12 commits
  2. 16 Nov, 2008 5 commits
  3. 15 Nov, 2008 17 commits
  4. 14 Nov, 2008 6 commits
    • Tejun Heo's avatar
      libata: improve phantom device detection · 6a6b97d3
      Tejun Heo authored
      Currently libata uses four methods to detect device presence.
      
      1. PHY status if available.
      2. TF register R/W test (only promotes presence, never demotes)
      3. device signature after reset
      4. IDENTIFY failure detection in SFF state machine
      
      Combination of the above works well in most cases but recently there
      have been a few reports where a phantom device causes unnecessary
      delay during probe.  In both cases, PHY status wasn't available.  In
      one case, it passed #2 and #3 and failed IDENTIFY with ATA_ERR which
      didn't qualify as #4.  The other failed #2 but as it passed #3 and #4,
      it still caused failure.
      
      In both cases, phantom device reported diagnostic failure, so these
      cases can be safely worked around by considering any !ATA_DRQ IDENTIFY
      failure as NODEV_HINT if diagnostic failure is set.
      Signed-off-by: default avatarTejun Heo <tj@kernel.org>
      Signed-off-by: default avatarJeff Garzik <jgarzik@redhat.com>
      6a6b97d3
    • Randy Dunlap's avatar
      9p: restrict RDMA usage · 4ff429e6
      Randy Dunlap authored
      linux-next:
      
      Make 9p's RDMA option depend on INET since it uses Infiniband rdma_*
      functions and that code depends on INET.  Otherwise 9p can try to
      use symbols which don't exist.
      
      ERROR: "rdma_destroy_id" [net/9p/9pnet_rdma.ko] undefined!
      ERROR: "rdma_connect" [net/9p/9pnet_rdma.ko] undefined!
      ERROR: "rdma_create_id" [net/9p/9pnet_rdma.ko] undefined!
      ERROR: "rdma_create_qp" [net/9p/9pnet_rdma.ko] undefined!
      ERROR: "rdma_resolve_route" [net/9p/9pnet_rdma.ko] undefined!
      ERROR: "rdma_disconnect" [net/9p/9pnet_rdma.ko] undefined!
      ERROR: "rdma_resolve_addr" [net/9p/9pnet_rdma.ko] undefined!
      
      I used an if/endif block so that the menu items would remain
      presented together.
      
      Also correct an article adjective.
      Signed-off-by: default avatarRandy Dunlap <randy.dunlap@oracle.com>
      Signed-off-by: default avatarEric Van Hensbergen <ericvh@gmail.com>
      4ff429e6
    • Randy Dunlap's avatar
      Create/use more directory structure in the Documentation/ tree. · 31c00fc1
      Randy Dunlap authored
      Create Documentation/blockdev/ sub-directory and populate it.
      Populate the Documentation/serial/ sub-directory.
      Move MSI-HOWTO.txt to Documentation/PCI/.
      Move ioctl-number.txt to Documentation/ioctl/.
      Update all relevant 00-INDEX files.
      Update all relevant Kconfig files and source files.
      Signed-off-by: default avatarRandy Dunlap <randy.dunlap@oracle.com>
      31c00fc1
    • Martin Schwidefsky's avatar
      [S390] fix s390x_newuname · d2f019fe
      Martin Schwidefsky authored
      The uname system call for 64 bit compares current->personality without
      masking the upper 16 bits. If e.g. READ_IMPLIES_EXEC is set the result
      of a uname system call will always be s390x even if the process uses
      the s390 personality.
      Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
      d2f019fe
    • Stefan Haberland's avatar
      [S390] dasd: log sense for fatal errors · a9cffb22
      Stefan Haberland authored
      The logging of sense data for fatal errors was accidentally removed
      during Hyper PAV implementation.
      Signed-off-by: default avatarStefan Haberland <stefan.haberland@de.ibm.com>
      Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
      a9cffb22
    • Heiko Carstens's avatar
      [S390] cpu topology: fix locking · 74af2831
      Heiko Carstens authored
      cpu_coregroup_map used to grab a mutex on s390 since it was only
      called from process context.
      Since c7c22e4d "block: add support
      for IO CPU affinity" this is not true anymore.
      It now also gets called from softirq context.
      
      To prevent possible deadlocks change this in architecture code and
      use a spinlock instead of a mutex.
      
      Cc: stable@kernel.org
      Cc: Jens Axboe <jens.axboe@oracle.com>
      Signed-off-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
      Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
      74af2831