x86/asm: Carve out a generic movdir64b() helper for general usage

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Carve out the MOVDIR64B inline asm primitive into a generic helper so
that it can be used by other functions. Move it to special_insns.h and
have iosubmit_cmds512() call it.

 [ bp: Massage commit message. ]

Suggested-by: Michael Matz <matz@suse.de>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Tony Luck <tony.luck@intel.com>
Reviewed-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20201005151126.657029-2-dave.jiang@intel.com

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Dave Jiang 2020-10-05 08:11:22 -07:00 • committed by Borislav Petkov

parent 20f0afd1fb

commit 0888e1030d

2 changed files with 25 additions and 14 deletions

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17

arch/x86/include/asm/io.h

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22

arch/x86/include/asm/special_insns.h

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