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| Filename | Latest commit message | Latest commit date |
|---|---|---|
fd0c7435d7
Remove pointless stack recursion on stack type ... warning, which only confuses people. There is no way to make backchain unwinder 100% reliable. When a task is interrupted in-between stack frame allocation and backchain write instructions new stack frame backchain pointer is left uninitialized (there are also sometimes additional instruction in-between stack frame allocation and backchain write instructions due to gcc shrink-wrapping). In attempt to unwind such stack the unwinder would still try to use that invalid backchain value and perform all kind of sanity checks on it to make sure we are not pointed out of stack. In some cases that invalid backchain value would be 0 and we would falsely treat next stackframe as pt_regs and again gprs[15] in those pt_regs might happen to point at some address within the task's stack. Acked-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Vasily Gorbik <gor@linux.ibm.com> |
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| 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.
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.