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A mirror of the official Linux kernel repository just in case
d40b6768e4
system_reset_exception does most of its own crash handling now, invoking the debugger or crash dumps if they are registered. If not, then it goes through to die() to print stack traces, and then is supposed to panic (according to comments). However after die() prints oopses, it does its own handling which doesn't allow system_reset_exception to panic (e.g., it may just kill the current process). This patch causes sreset exceptions to return from die after it prints messages but before acting. This also stops die from invoking the debugger on 0x100 crashes. system_reset_exception similarly calls the debugger. It had been thought this was harmless (because if the debugger was disabled, neither call would fire, and if it was enabled the first call would return). However in some cases like xmon 'X' command, the debugger returns 0, which currently causes it to be entered again (first in system_reset_exception, then in die), which is confusing. Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> |
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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.