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Christophe Leroy 4d67facbcb powerpc/32: Remove verification of MSR_PR on syscall in the ASM entry
system_call_exception() checks MSR_PR and BUGs if a syscall
is issued from kernel mode.

No need to handle it anymore from the ASM entry code.

null_syscall reduction 2 cycles (348 => 346 cycles)

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/1eddb42cb12092b1e3d72608d182c365db3da41d.1612796617.git.christophe.leroy@csgroup.eu
2021-02-11 23:35:11 +11:00
arch powerpc/32: Remove verification of MSR_PR on syscall in the ASM entry 2021-02-11 23:35:11 +11:00
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drivers cxl: Reduce scope for the variable “mm” in cxllib_get_PE_attributes() 2021-01-31 22:35:50 +11:00
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tools selftests/powerpc: Add VF recovery tests 2021-01-31 22:35:47 +11:00
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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.