From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ard Biesheuvel Date: Mon, 14 Aug 2017 13:53:54 +0100 Message-Id: <20170814125411.22604-14-ard.biesheuvel@linaro.org> In-Reply-To: <20170814125411.22604-1-ard.biesheuvel@linaro.org> References: <20170814125411.22604-1-ard.biesheuvel@linaro.org> Subject: [kernel-hardening] [PATCH 13/30] arm-soc: mvebu: replace open coded VA->PA conversion To: kernel-hardening@lists.openwall.com Cc: linux-arm-kernel@lists.infradead.org, Ard Biesheuvel , Arnd Bergmann , Nicolas Pitre , Russell King , Kees Cook , Thomas Garnier , Marc Zyngier , Mark Rutland , Tony Lindgren , Matt Fleming , Dave Martin List-ID: This replaces an open coded calculation to obtain the physical address of a far symbol with a call to the new ldr_l etc macro. Signed-off-by: Ard Biesheuvel --- arch/arm/mach-mvebu/coherency_ll.S | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/arch/arm/mach-mvebu/coherency_ll.S b/arch/arm/mach-mvebu/coherency_ll.S index 8b2fbc8b6bc6..df0ccb5cef1d 100644 --- a/arch/arm/mach-mvebu/coherency_ll.S +++ b/arch/arm/mach-mvebu/coherency_ll.S @@ -42,9 +42,7 @@ ENTRY(ll_get_coherency_base) ldr r1, =coherency_base cmp r1, #0 beq 2f - adr r1, 3f - ldr r3, [r1] - ldr r1, [r1, r3] + ldr_l r1, coherency_phys_base b 2f 1: /* @@ -160,7 +158,3 @@ ENTRY(ll_disable_coherency) dsb ret lr ENDPROC(ll_disable_coherency) - - .align 2 -3: - .long coherency_phys_base - . -- 2.11.0