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x86/boot: Remove unused copy_*_gs() functions

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copy_from_gs() and copy_to_gs() are unused in the boot code. They have
actually never been used -- they were always commented out since their
addition in 2007:

  5be8656615 ("String-handling functions for the new x86 setup code.")

So remove them -- they can be restored from history if needed.

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20170531081243.5709-1-jslaby@suse.cz
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Jiri Slaby 2017-05-31 10:12:39 +02:00 committed by Ingo Molnar
parent 5b8b9cf76a
commit 28be1b454c
1 changed files with 0 additions and 20 deletions
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20
arch/x86/boot/copy.S
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@ -65,23 +65,3 @@ GLOBAL(copy_to_fs)
popw %es
retl
ENDPROC(copy_to_fs)
#if 0 /* Not currently used, but can be enabled as needed */
GLOBAL(copy_from_gs)
pushw %ds
pushw %gs
popw %ds
calll memcpy
popw %ds
retl
ENDPROC(copy_from_gs)
GLOBAL(copy_to_gs)
pushw %es
pushw %gs
popw %es
calll memcpy
popw %es
retl
ENDPROC(copy_to_gs)
#endif