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Christophe Leroy 05642cf728 powerpc/32: don't restore r0, r6-r8 on exception entry path after trace_hardirqs_off() 
Since commit b86fb88855 ("powerpc/32: implement fast entry for
syscalls on non BOOKE") and commit 1a4b739bbb ("powerpc/32:
implement fast entry for syscalls on BOOKE"), syscalls don't
use the exception entry path anymore. It is therefore pointless
to restore r0 and r6-r8 after calling trace_hardirqs_off().

In the meantime, drop the '2:' label which is unused and misleading.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/d2c6dc65d27e83964eb05f16a126161ab6455eea.1578388585.git.christophe.leroy@c-s.fr
2020-02-26 10:34:40 +11:00
arch powerpc/32: don't restore r0, r6-r8 on exception entry path after trace_hardirqs_off() 2020-02-26 10:34:40 +11:00
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Documentation powerpc/fadump: sysfs for fadump memory reservation 2020-02-19 22:46:07 +11:00
drivers Minor bug fixes for IPMI 2020-02-16 13:05:46 -08:00
fs sysfs: Wrap __compat_only_sysfs_link_entry_to_kobj function to change the symlink name 2020-02-19 21:07:09 +11:00
include sysfs: Wrap __compat_only_sysfs_link_entry_to_kobj function to change the symlink name 2020-02-19 21:07:09 +11:00
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Makefile Linux 5.6-rc2 2020-02-16 13:16:59 -08:00
README

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.