arm64: mm: Introduce TTBR_ASID_MASK for getting at the ASID in the TTBR

[mirror_ubuntu-bionic-kernel.git] / arch / arm64 / include / asm / mmu.h

diff --git a/arch/arm64/include/asm/mmu.h b/arch/arm64/include/asm/mmu.h
index da6f12e4071418290681857f2982cb73bf56d82a..6f7bdb89817ffeb2a81cccaa512c60bde19d1489 100644 (file)
--- a/arch/arm64/include/asm/mmu.h
+++ b/arch/arm64/include/asm/mmu.h
@@ -18,6 +18,7 @@
 
 #define MMCF_AARCH32   0x1     /* mm context flag for AArch32 executables */
 #define USER_ASID_FLAG (UL(1) << 48)
+#define TTBR_ASID_MASK (UL(0xffff) << 48)
 
 #ifndef __ASSEMBLY__