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[ Upstream commit 10e1c77c3636d815db802ceef588522c2d2d947c ] Commitb96bae3ae2("powerpc/32: Replace ASM exception exit by C exception exit from ppc64") erroneouly copied to powerpc/32 the logic from powerpc/64 based on feature CPU_FTR_STCX_CHECKS_ADDRESS which is always 0 on powerpc/32. Re-instate the logic implemented by commitb64f87c16f("[POWERPC] Avoid unpaired stwcx. on some processors") which is based on CPU_FTR_NEED_PAIRED_STWCX feature. Fixes:b96bae3ae2("powerpc/32: Replace ASM exception exit by C exception exit from ppc64") Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Madhavan Srinivasan <maddy@linux.ibm.com> Link: https://patch.msgid.link/6040b5dbcf5cdaa1cd919fcf0790f12974ea6e5a.1757666244.git.christophe.leroy@csgroup.eu Signed-off-by: Sasha Levin <sashal@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.