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arm64: disable CFI for cpu_replace_ttbr1

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Disable CFI to allow an indirect call to a physical address.

Bug: 67506682
Change-Id: I0ec38f34245a4ad52f508f6989093526d3bf442f
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
This commit is contained in:
Sami Tolvanen
2017-08-18 14:31:23 -07:00
parent 7ce8d9fa08
commit a30a6d3126
1 changed files with 1 additions and 1 deletions
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2
arch/arm64/include/asm/mmu_context.h
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@@ -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;