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Jakub Kicinski 5496295aef nfp: ignore signals when communicating with management FW 
We currently allow signals to interrupt the wait for management FW
commands.  Exiting the wait should not cause trouble, the FW will
just finish executing the command in the background and new commands
will wait for the old one to finish.

However, this may not be what users expect (Ctrl-C not actually stopping
the command).  Moreover some systems routinely request link information
with signals pending (Ubuntu 14.04 runs a landscape-sysinfo python tool
from MOTD) worrying users with errors like these:

nfp 0000:04:00.0: nfp_nsp: Error -512 waiting for code 0x0007 to start
nfp 0000:04:00.0: nfp: reading port table failed -512

Make the wait for management FW responses non-interruptible.

Fixes: 1a64821c6a ("nfp: add support for service processor access")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-04-12 21:57:27 -04:00
arch xen: fixes for 4.17-rc1 2018-04-12 11:04:35 -07:00
block for-4.17/block-20180402 2018-04-05 14:27:02 -07:00
certs
crypto MIPS changes for 4.17 2018-04-10 11:39:22 -07:00
Documentation IOMMU Updates for Linux v4.17 2018-04-11 18:50:41 -07:00
drivers nfp: ignore signals when communicating with management FW 2018-04-12 21:57:27 -04:00
firmware
fs This pull request contains updates for both UBI and UBIFS: 2018-04-11 16:39:34 -07:00
include lan78xx: PHY DSP registers initialization to address EEE link drop issues with long cables 2018-04-12 21:46:10 -04:00
init seq_file: allocate seq_file from kmem_cache 2018-04-11 10:28:36 -07:00
ipc ipc/shm.c: shm_split(): remove unneeded test for NULL shm_file_data.vm_ops 2018-04-11 10:28:38 -07:00
kernel * Fix 2032 time access issues and new compiler warnings 2018-04-12 10:21:19 -07:00
lib Fix for one swiotlb regression in 2.16 from Takashi. 2018-04-12 11:00:48 -07:00
LICENSES
mm page cache: use xa_lock 2018-04-11 10:28:39 -07:00
net tipc: fix missing initializer in tipc_sendmsg() 2018-04-12 21:55:38 -04:00
samples remoteproc updates for v4.17 2018-04-10 12:09:27 -07:00
scripts asm-generic fixes for v4.17-rc1 2018-04-12 09:15:48 -07:00
security ipc/msg: introduce msgctl(MSG_STAT_ANY) 2018-04-11 10:28:37 -07:00
sound sound fixes for 4.17-rc1 2018-04-10 10:16:04 -07:00
tools selftests: net: add in_netns.sh to TEST_PROGS 2018-04-12 21:52:47 -04:00
usr
virt
.clang-format clang-format: add configuration file 2018-04-11 10:28:35 -07:00
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore clang-format: add configuration file 2018-04-11 10:28:35 -07:00
.mailmap Merge candidates for 4.17 merge window 2018-04-06 17:35:43 -07:00
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS ARM: SoC fixes for 4.17 2018-04-11 16:12:21 -07:00
Makefile
README

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.