diff options
| -rw-r--r-- | arch/Kconfig | 3 | ||||
| -rw-r--r-- | include/vdso/datapage.h | 10 |
2 files changed, 13 insertions, 0 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index a1124481d910..b44dd6b9e2bd 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -975,6 +975,9 @@ config HAVE_SPARSE_SYSCALL_NR entries at 4000, 5000 and 6000 locations. This option turns on syscall related optimizations for a given architecture. +config ARCH_HAS_VDSO_DATA + bool + source "kernel/gcov/Kconfig" source "scripts/gcc-plugins/Kconfig" diff --git a/include/vdso/datapage.h b/include/vdso/datapage.h index ee810cae4e1e..73eb622e7663 100644 --- a/include/vdso/datapage.h +++ b/include/vdso/datapage.h @@ -19,6 +19,12 @@ #include <vdso/time32.h> #include <vdso/time64.h> +#ifdef CONFIG_ARCH_HAS_VDSO_DATA +#include <asm/vdso/data.h> +#else +struct arch_vdso_data {}; +#endif + #define VDSO_BASES (CLOCK_TAI + 1) #define VDSO_HRES (BIT(CLOCK_REALTIME) | \ BIT(CLOCK_MONOTONIC) | \ @@ -64,6 +70,8 @@ struct vdso_timestamp { * @tz_dsttime: type of DST correction * @hrtimer_res: hrtimer resolution * @__unused: unused + * @arch_data: architecture specific data (optional, defaults + * to an empty struct) * * vdso_data will be accessed by 64 bit and compat code at the same time * so we should be careful before modifying this structure. @@ -97,6 +105,8 @@ struct vdso_data { s32 tz_dsttime; u32 hrtimer_res; u32 __unused; + + struct arch_vdso_data arch_data; }; /* |