Commit 5b468dad authored Nov 17, 2022 by Anshuman Khandual Committed by Will Deacon Nov 18, 2022

arm64/mm: Drop unused restore_ttbr1



restore_ttbr1 procedure is not used anywhere, hence just drop it.

Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20221117123144.403582-1-anshuman.khandual@arm.com


Signed-off-by: Will Deacon <will@kernel.org>

parent 56eea7f8

arch/arm64/include/asm/assembler.h

+0 −11

Original line number	Diff line number	Diff line
		@@ -614,17 +614,6 @@ alternative_endif
		#endif
		.endm

		/*
		* Perform the reverse of offset_ttbr1.
		* bic is used as it can cover the immediate value and, in future, won't need
		* to be nop'ed out when dealing with 52-bit kernel VAs.
		*/
		.macro restore_ttbr1, ttbr
		#ifdef CONFIG_ARM64_VA_BITS_52
		bic \ttbr, \ttbr, #TTBR1_BADDR_4852_OFFSET
		#endif
		.endm

		/*
		* Arrange a physical address in a TTBR register, taking care of 52-bit
		* addresses.