From a30a6d312622e5e5cdd36b1e95a658fca22fa1af Mon Sep 17 00:00:00 2001 From: Sami Tolvanen Date: Fri, 18 Aug 2017 14:31:23 -0700 Subject: [PATCH] arm64: disable CFI for cpu_replace_ttbr1 Disable CFI to allow an indirect call to a physical address. Bug: 67506682 Change-Id: I0ec38f34245a4ad52f508f6989093526d3bf442f Signed-off-by: Sami Tolvanen --- arch/arm64/include/asm/mmu_context.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm64/include/asm/mmu_context.h b/arch/arm64/include/asm/mmu_context.h index 6ad61e7d9725..c0ae91c39292 100644 --- a/arch/arm64/include/asm/mmu_context.h +++ b/arch/arm64/include/asm/mmu_context.h @@ -128,7 +128,7 @@ static inline void cpu_install_idmap(void) * Atomically replaces the active TTBR1_EL1 PGD with a new VA-compatible PGD, * avoiding the possibility of conflicting TLB entries being allocated. */ -static inline void cpu_replace_ttbr1(pgd_t *pgd) +static inline void __nocfi cpu_replace_ttbr1(pgd_t *pgd) { typedef void (ttbr_replace_func)(phys_addr_t); extern ttbr_replace_func idmap_cpu_replace_ttbr1;