From 5b468dad6e5cf4998bdc05efbc5526c111666027 Mon Sep 17 00:00:00 2001 From: Anshuman Khandual Date: Thu, 17 Nov 2022 18:01:44 +0530 Subject: [PATCH] arm64/mm: Drop unused restore_ttbr1 restore_ttbr1 procedure is not used anywhere, hence just drop it. Cc: Catalin Marinas Cc: Will Deacon Cc: Mark Rutland Cc: Andrew Morton Cc: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Anshuman Khandual Acked-by: Mark Rutland Link: https://lore.kernel.org/r/20221117123144.403582-1-anshuman.khandual@arm.com Signed-off-by: Will Deacon --- arch/arm64/include/asm/assembler.h | 11 ----------- 1 file changed, 11 deletions(-) diff --git a/arch/arm64/include/asm/assembler.h b/arch/arm64/include/asm/assembler.h index 27e0c75f7818..88175551b401 100644 --- a/arch/arm64/include/asm/assembler.h +++ b/arch/arm64/include/asm/assembler.h @@ -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. -- 2.50.1