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Filename Latest commit message Latest commit date
Maya Erez 2e3611e954 scsi: ufs: fix exception event handling
The device can set the exception event bit in one of the response UPIU,
for example to notify the need for urgent BKOPs operation.  In such a
case, the host driver calls ufshcd_exception_event_handler to handle
this notification.  When trying to check the exception event status (for
finding the cause for the exception event), the device may be busy with
additional SCSI commands handling and may not respond within the 100ms
timeout.

To prevent that, we need to block SCSI commands during handling of
exception events and allow retransmissions of the query requests, in
case of timeout.

Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: Maya Erez <merez@codeaurora.org>
Signed-off-by: Can Guo <cang@codeaurora.org>
Signed-off-by: Asutosh Das <asutoshd@codeaurora.org>
Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2018-05-18 12:20:48 -04:00
arch Kbuild updates for v4.17 (2nd) 2018-04-15 17:21:30 -07:00
block
certs
crypto Kbuild updates for v4.17 (2nd) 2018-04-15 17:21:30 -07:00
Documentation scsi: mpt3sas: fix header path in ioctl documentation 2018-05-08 01:30:43 -04:00
drivers scsi: ufs: fix exception event handling 2018-05-18 12:20:48 -04:00
firmware
fs for-4.17-part2-tag 2018-04-15 18:08:35 -07:00
include scsi: target: target_core_user.[ch]: convert comments into DOC: 2018-04-20 19:14:39 -04:00
init Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-04-15 16:12:35 -07:00
ipc
kernel scsi: zfcp: workqueue: set description for port work items with their WWPN as context 2018-05-18 11:27:21 -04:00
lib Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-04-15 16:12:35 -07:00
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MAINTAINERS scsi: mpt3sas: remove obsolete path "drivers/scsi/mpt2sas/" from MAINTAINERS 2018-05-08 01:30:18 -04:00
Makefile Linux 4.17-rc1 2018-04-15 18:24:20 -07:00
README

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

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

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.