linux-morello January 2023

linux-morello@op-lists.linaro.org

11 participants
22 discussions

[PATCH v3] arm64: compat: update compat defines to 64-bits

by Teo Couprie Diaz

Some compat defines are still using 32-bits values, update them to a 64-bits one (COMPAT_OFF_T_MAX) or use the native value in COMPAT64 (COMPAT_RLIM_INFINITY, COMPAT_MINSIGSTKSZ). Signed-off-by: Teo Couprie Diaz <teo.coupriediaz(a)arm.com> --- arch/arm64/include/asm/compat.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm64/include/asm/compat.h b/arch/arm64/include/asm/compat.h index 9c6112ae942b..9bf4cfb6ad60 100644 --- a/arch/arm64/include/asm/compat.h +++ b/arch/arm64/include/asm/compat.h @@ -15,6 +15,8 @@ typedef u16 compat_mode_t; /* * Architecture specific compatibility types */ +#include <asm/compat.h> +#include <linux/resource.h> #include <linux/types.h> #include <linux/sched.h> #include <linux/sched/task_stack.h> @@ -100,9 +102,15 @@ struct compat_statfs { compat_long_t f_spare[4]; }; +#ifdef CONFIG_COMPAT64 +#define COMPAT_RLIM_INFINITY RLIM_INFINITY + +#define COMPAT_OFF_T_MAX LONG_MAX +#else #define COMPAT_RLIM_INFINITY 0xffffffff #define COMPAT_OFF_T_MAX 0x7fffffff +#endif static inline void __user *compat_ptr(compat_uptr_t uptr) { @@ -115,7 +123,12 @@ static inline void __user *compat_ptr(compat_uptr_t uptr) #define compat_ptr(uptr) compat_ptr(uptr) #define compat_user_stack_pointer() (user_stack_pointer(task_pt_regs(current))) + +#ifdef CONFIG_COMPAT64 +#define COMPAT_MINSIGSTKSZ MINSIGSTKSZ +#else #define COMPAT_MINSIGSTKSZ 2048 +#endif #ifdef CONFIG_COMPAT64 #define COMPAT_USE_64BIT_TIME 1 -- 2.25.1

1 year, 10 months

[PATCH v2] arm64/asm: update some compat defines to 64-bits

by Teo Couprie Diaz

Some compat defines are still using 32-bits values, update them to a 64-bits one (COMPAT_OFF_T_MAX) or use the native value in COMPAT64 (COMPAT_RLIM_INFINITY, COMPAT_MINSIGSTKSZ). Signed-off-by: Teo Couprie Diaz <teo.coupriediaz(a)arm.com> --- arch/arm64/include/asm/compat.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm64/include/asm/compat.h b/arch/arm64/include/asm/compat.h index 9c6112ae942b..85b6972745de 100644 --- a/arch/arm64/include/asm/compat.h +++ b/arch/arm64/include/asm/compat.h @@ -15,6 +15,7 @@ typedef u16 compat_mode_t; /* * Architecture specific compatibility types */ +#include <linux/resource.h> #include <linux/types.h> #include <linux/sched.h> #include <linux/sched/task_stack.h> @@ -100,9 +101,15 @@ struct compat_statfs { compat_long_t f_spare[4]; }; +#ifdef CONFIG_COMPAT64 +#define COMPAT_RLIM_INFINITY RLIM_INFINITY + +#define COMPAT_OFF_T_MAX 0x7fffffffffffffff +#else #define COMPAT_RLIM_INFINITY 0xffffffff #define COMPAT_OFF_T_MAX 0x7fffffff +#endif static inline void __user *compat_ptr(compat_uptr_t uptr) { @@ -115,7 +122,12 @@ static inline void __user *compat_ptr(compat_uptr_t uptr) #define compat_ptr(uptr) compat_ptr(uptr) #define compat_user_stack_pointer() (user_stack_pointer(task_pt_regs(current))) + +#ifdef CONFIG_COMPAT64 +#define COMPAT_MINSIGSTKSZ MINSIGSTKSZ +#else #define COMPAT_MINSIGSTKSZ 2048 +#endif #ifdef CONFIG_COMPAT64 #define COMPAT_USE_64BIT_TIME 1 -- 2.25.1

1 year, 10 months

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linux-morello January 2023