iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

arm64/mm: Drop unused restore_ttbr1

Browse Source 
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>
This commit is contained in:
Anshuman Khandual 2022-11-17 18:01:44 +05:30 committed by Will Deacon
parent 56eea7f87f
commit 5b468dad6e
1 changed files with 0 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
arch/arm64/include/asm/assembler.h
View File

@ -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.