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535906c684
Using an si_code of 0 that aliases with SI_USER is clearly the wrong thing to do, and causes problems in interesting ways. For it really is not clear to me if using TRAP_UNK bugcheck or the default case of gentrap is really the best way to handle things. There is certainly enough information that that a more specific si_code could potentially be used. That said TRAP_UNK is definitely an improvement over 0 as it removes the ambiguiuty of what si_code of 0 with SIGTRAP means on alpha. Recent history suggests no actually cares about crazy corner cases of the kernel behavior like this so I don't expect any regressions from changing this. However if something does happen this change is easy to revert. Cc: Helge Deller <deller@gmx.de> Cc: Richard Henderson <rth@twiddle.net> Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru> Cc: Matt Turner <mattst88@gmail.com> Cc: linux-alpha@vger.kernel.org Fixes: 0a635c7a84cf ("Fill in siginfo_t.") History Tree: https://git.kernel.org/pub/scm/linux/kernel/git/tglx/history.git Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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.