x86/bugs: Unify x86_spec_ctrl_{set_guest,restore_host}

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commit cc69b34989 upstream

Function bodies are very similar and are going to grow more almost
identical code. Add a bool arg to determine whether SPEC_CTRL is being set
for the guest or restored to the host.

No functional changes.

Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Borislav Petkov 2018-05-12 00:14:51 +02:00 • committed by Greg Kroah-Hartman

parent 3e6ab4ca13

commit 6befd3a735

2 changed files with 44 additions and 49 deletions

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33

arch/x86/include/asm/spec-ctrl.h

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58

arch/x86/kernel/cpu/bugs.c

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