diff options
Diffstat (limited to 'arch/loongarch/include/asm/vdso')
-rw-r--r-- | arch/loongarch/include/asm/vdso/arch_data.h | 25 | ||||
-rw-r--r-- | arch/loongarch/include/asm/vdso/getrandom.h | 5 | ||||
-rw-r--r-- | arch/loongarch/include/asm/vdso/gettimeofday.h | 14 | ||||
-rw-r--r-- | arch/loongarch/include/asm/vdso/vdso.h | 38 | ||||
-rw-r--r-- | arch/loongarch/include/asm/vdso/vsyscall.h | 17 |
5 files changed, 28 insertions, 71 deletions
diff --git a/arch/loongarch/include/asm/vdso/arch_data.h b/arch/loongarch/include/asm/vdso/arch_data.h new file mode 100644 index 000000000000..322d0a5f1c84 --- /dev/null +++ b/arch/loongarch/include/asm/vdso/arch_data.h @@ -0,0 +1,25 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * Author: Huacai Chen <chenhuacai@loongson.cn> + * Copyright (C) 2020-2022 Loongson Technology Corporation Limited + */ + +#ifndef _VDSO_ARCH_DATA_H +#define _VDSO_ARCH_DATA_H + +#ifndef __ASSEMBLY__ + +#include <asm/asm.h> +#include <asm/vdso.h> + +struct vdso_pcpu_data { + u32 node; +} ____cacheline_aligned_in_smp; + +struct vdso_arch_data { + struct vdso_pcpu_data pdata[NR_CPUS]; +}; + +#endif /* __ASSEMBLY__ */ + +#endif diff --git a/arch/loongarch/include/asm/vdso/getrandom.h b/arch/loongarch/include/asm/vdso/getrandom.h index e80f3c4ac748..48c43f55b039 100644 --- a/arch/loongarch/include/asm/vdso/getrandom.h +++ b/arch/loongarch/include/asm/vdso/getrandom.h @@ -28,11 +28,6 @@ static __always_inline ssize_t getrandom_syscall(void *_buffer, size_t _len, uns return ret; } -static __always_inline const struct vdso_rng_data *__arch_get_vdso_rng_data(void) -{ - return &_loongarch_data.rng_data; -} - #endif /* !__ASSEMBLY__ */ #endif /* __ASM_VDSO_GETRANDOM_H */ diff --git a/arch/loongarch/include/asm/vdso/gettimeofday.h b/arch/loongarch/include/asm/vdso/gettimeofday.h index 7eb3f041af76..88cfcf133116 100644 --- a/arch/loongarch/include/asm/vdso/gettimeofday.h +++ b/arch/loongarch/include/asm/vdso/gettimeofday.h @@ -72,7 +72,7 @@ static __always_inline int clock_getres_fallback( } static __always_inline u64 __arch_get_hw_counter(s32 clock_mode, - const struct vdso_data *vd) + const struct vdso_time_data *vd) { uint64_t count; @@ -89,18 +89,6 @@ static inline bool loongarch_vdso_hres_capable(void) } #define __arch_vdso_hres_capable loongarch_vdso_hres_capable -static __always_inline const struct vdso_data *__arch_get_vdso_data(void) -{ - return _vdso_data; -} - -#ifdef CONFIG_TIME_NS -static __always_inline -const struct vdso_data *__arch_get_timens_vdso_data(const struct vdso_data *vd) -{ - return _timens_data; -} -#endif #endif /* !__ASSEMBLY__ */ #endif /* __ASM_VDSO_GETTIMEOFDAY_H */ diff --git a/arch/loongarch/include/asm/vdso/vdso.h b/arch/loongarch/include/asm/vdso/vdso.h index 1c183a9b2115..50c65fb29daf 100644 --- a/arch/loongarch/include/asm/vdso/vdso.h +++ b/arch/loongarch/include/asm/vdso/vdso.h @@ -12,43 +12,9 @@ #include <asm/asm.h> #include <asm/page.h> #include <asm/vdso.h> +#include <vdso/datapage.h> -struct vdso_pcpu_data { - u32 node; -} ____cacheline_aligned_in_smp; - -struct loongarch_vdso_data { - struct vdso_pcpu_data pdata[NR_CPUS]; - struct vdso_rng_data rng_data; -}; - -/* - * The layout of vvar: - * - * high - * +---------------------+--------------------------+ - * | loongarch vdso data | LOONGARCH_VDSO_DATA_SIZE | - * +---------------------+--------------------------+ - * | time-ns vdso data | PAGE_SIZE | - * +---------------------+--------------------------+ - * | generic vdso data | PAGE_SIZE | - * +---------------------+--------------------------+ - * low - */ -#define LOONGARCH_VDSO_DATA_SIZE PAGE_ALIGN(sizeof(struct loongarch_vdso_data)) -#define LOONGARCH_VDSO_DATA_PAGES (LOONGARCH_VDSO_DATA_SIZE >> PAGE_SHIFT) - -enum vvar_pages { - VVAR_GENERIC_PAGE_OFFSET, - VVAR_TIMENS_PAGE_OFFSET, - VVAR_LOONGARCH_PAGES_START, - VVAR_LOONGARCH_PAGES_END = VVAR_LOONGARCH_PAGES_START + LOONGARCH_VDSO_DATA_PAGES - 1, - VVAR_NR_PAGES, -}; - -#define VVAR_SIZE (VVAR_NR_PAGES << PAGE_SHIFT) - -extern struct loongarch_vdso_data _loongarch_data __attribute__((visibility("hidden"))); +#define VVAR_SIZE (VDSO_NR_PAGES << PAGE_SHIFT) #endif /* __ASSEMBLY__ */ diff --git a/arch/loongarch/include/asm/vdso/vsyscall.h b/arch/loongarch/include/asm/vdso/vsyscall.h index 8987e951d0a9..1140b54b4bc8 100644 --- a/arch/loongarch/include/asm/vdso/vsyscall.h +++ b/arch/loongarch/include/asm/vdso/vsyscall.h @@ -6,23 +6,6 @@ #include <vdso/datapage.h> -extern struct vdso_data *vdso_data; -extern struct vdso_rng_data *vdso_rng_data; - -static __always_inline -struct vdso_data *__loongarch_get_k_vdso_data(void) -{ - return vdso_data; -} -#define __arch_get_k_vdso_data __loongarch_get_k_vdso_data - -static __always_inline -struct vdso_rng_data *__loongarch_get_k_vdso_rng_data(void) -{ - return vdso_rng_data; -} -#define __arch_get_k_vdso_rng_data __loongarch_get_k_vdso_rng_data - /* The asm-generic header needs to be included after the definitions above */ #include <asm-generic/vdso/vsyscall.h> |