x86/bugs: Expose x86_spec_ctrl_base directly

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commit fa8ac49882 upstream

x86_spec_ctrl_base is the system wide default value for the SPEC_CTRL MSR.
x86_spec_ctrl_get_default() returns x86_spec_ctrl_base and was intended to
prevent modification to that variable. Though the variable is read only
after init and globaly visible already.

Remove the function and export the variable instead.

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

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Thomas Gleixner 2018-05-12 20:49:16 +02:00 • committed by Greg Kroah-Hartman

parent 6befd3a735

commit 987f49474b

3 changed files with 6 additions and 24 deletions

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16

arch/x86/include/asm/nospec-branch.h

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3

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

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11

arch/x86/kernel/cpu/bugs.c

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