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Filename Latest commit message Latest commit date
Bart Van Assche 8893cf6cb1 scsi: mpt3sas: Avoid sleeping in interrupt context 
Commit 669f044170 ("scsi: srp_transport: Move queuecommand() wait code
to SCSI core") can make scsi_internal_device_block() sleep.  However,
the mpt3sas driver can call this function from an interrupt
handler. Hence add a second argument to scsi_internal_device_block()
that restores the old behavior of this function for the mpt3sas handler.

The call chain that triggered an "IRQ handler enabled interrupts"
complaint is as follows:

_base_interrupt()
-> _base_async_event()
   -> mpt3sas_scsih_event_callback()
      -> _scsih_check_topo_delete_events()
         -> _scsih_block_io_to_children_attached_directly()
            -> _scsih_block_io_device()
               -> _scsih_internal_device_block()
                  -> scsi_internal_device_block()

Reported-by: Omar Sandoval <osandov@osandov.com>
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Omar Sandoval <osandov@osandov.com>
Cc: Hannes Reinecke <hare@suse.com>
Cc: Sagi Grimberg <sagi@grimberg.me>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Sathya Prakash <sathya.prakash@broadcom.com>
Cc: Chaitra P B <chaitra.basappa@broadcom.com>
Cc: Suganath Prabu Subramani <suganath-prabu.subramani@broadcom.com>
Cc: Sreekanth Reddy <Sreekanth.Reddy@broadcom.com>
Cc: <stable@vger.kernel.org> # v4.10+
Tested-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2017-03-01 21:52:13 -05:00
arch TTY/Serial driver patches for 4.11-rc1 2017-02-22 12:17:25 -08:00
block for-4.11/linus-merge-signed 2017-02-21 10:57:33 -08:00
certs
crypto crypto: algif_aead - Fix kernel panic on list_del 2017-02-03 17:45:48 +08:00
Documentation TTY/Serial driver patches for 4.11-rc1 2017-02-22 12:17:25 -08:00
drivers scsi: mpt3sas: Avoid sleeping in interrupt context 2017-03-01 21:52:13 -05:00
firmware
fs driver core patches for 4.11-rc1 2017-02-22 11:44:32 -08:00
include scsi: mpt3sas: Avoid sleeping in interrupt context 2017-03-01 21:52:13 -05:00
init char/misc driver patches for 4.11-rc1 2017-02-22 11:38:22 -08:00
ipc
kernel driver core patches for 4.11-rc1 2017-02-22 11:44:32 -08:00
lib TTY/Serial driver patches for 4.11-rc1 2017-02-22 12:17:25 -08:00
mm arm64 updates for 4.11: 2017-02-22 10:46:44 -08:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2017-02-22 10:15:09 -08:00
samples Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2017-02-22 10:15:09 -08:00
scripts char/misc driver patches for 4.11-rc1 2017-02-22 11:38:22 -08:00
security driver core patches for 4.11-rc1 2017-02-22 11:44:32 -08:00
sound ALSA: hda - adding a new NV HDMI/DP codec ID in the driver 2017-02-09 08:57:47 +01:00
tools staging/iio driver patches for 4.11-rc1 2017-02-22 12:14:01 -08:00
usr
virt
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS MAINTAINERS: Remove old e-mail address 2017-02-13 12:24:56 -05:00
Kbuild
Kconfig
MAINTAINERS scsi: qedf: Add QLogic FastLinQ offload FCoE driver framework. 2017-02-22 19:10:59 -05:00
Makefile Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-02-20 12:21:13 -08:00
README

README 

Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.