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Eric W. Biederman db78e6a0a6 signal: Add TRAP_UNK si_code for undiagnosted trap exceptions
Both powerpc and alpha have cases where they wronly set si_code to 0
in combination with SIGTRAP and don't mean SI_USER.

About half the time this is because the architecture can not report
accurately what kind of trap exception triggered the trap exception.
The other half the time it looks like no one has bothered to
figure out an appropriate si_code.

For the cases where the architecture does not have enough information
or is too lazy to figure out exactly what kind of trap exception
it is define TRAP_UNK.

Cc: linux-api@vger.kernel.org
Cc: linux-arch@vger.kernel.org
Cc: linux-alpha@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2018-04-25 10:40:56 -05:00
arch signal: Add TRAP_UNK si_code for undiagnosted trap exceptions 2018-04-25 10:40:56 -05:00
block
certs
crypto Kbuild updates for v4.17 (2nd) 2018-04-15 17:21:30 -07:00
Documentation 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
drivers SCSI fixes on 20180415 2018-04-15 17:24:12 -07:00
firmware
fs signal: Remove ifdefs for BUS_MCEERR_AR and BUS_MCEERR_AO 2018-04-25 10:40:53 -05:00
include signal: Add TRAP_UNK si_code for undiagnosted trap exceptions 2018-04-25 10:40:56 -05:00
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 signal: Remove ifdefs for BUS_MCEERR_AR and BUS_MCEERR_AO 2018-04-25 10:40:53 -05:00
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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mm
net Kbuild updates for v4.17 (2nd) 2018-04-15 17:21:30 -07:00
samples
scripts Kbuild updates for v4.17 (2nd) 2018-04-15 17:21:30 -07:00
security
sound
tools Kbuild updates for v4.17 (2nd) 2018-04-15 17:21:30 -07:00
usr
virt signal: Ensure every siginfo we send has all bits initialized 2018-04-25 10:40:51 -05:00
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.gitignore Kbuild updates for v4.17 (2nd) 2018-04-15 17:21:30 -07:00
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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.