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40ad219958
As reported by Lai, the commit3c88c692c2("x86/stackframe/32: Provide consistent pt_regs") wrecked the IRET EXTABLE entry by making .Lirq_return not point at IRET. Fix this by placing IRET_FRAME in RESTORE_REGS, to mirror how FIXUP_FRAME is part of SAVE_ALL. Fixes:3c88c692c2("x86/stackframe/32: Provide consistent pt_regs") Reported-by: Lai Jiangshan <laijs@linux.alibaba.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Acked-by: Andy Lutomirski <luto@kernel.org> Cc: stable@kernel.org
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.