diff options
Diffstat (limited to 'arch/mips/include')
| -rw-r--r-- | arch/mips/include/asm/hugetlb.h | 6 | ||||
| -rw-r--r-- | arch/mips/include/asm/kvm_host.h | 1 | ||||
| -rw-r--r-- | arch/mips/include/asm/ptrace.h | 4 | ||||
| -rw-r--r-- | arch/mips/include/asm/syscall.h | 32 | ||||
| -rw-r--r-- | arch/mips/include/asm/vdso/gettimeofday.h | 9 | ||||
| -rw-r--r-- | arch/mips/include/asm/vdso/vdso.h | 19 | ||||
| -rw-r--r-- | arch/mips/include/asm/vdso/vsyscall.h | 14 |
7 files changed, 29 insertions, 56 deletions
diff --git a/arch/mips/include/asm/hugetlb.h b/arch/mips/include/asm/hugetlb.h index d0a86ce83de9..fbc71ddcf0f6 100644 --- a/arch/mips/include/asm/hugetlb.h +++ b/arch/mips/include/asm/hugetlb.h @@ -27,7 +27,8 @@ static inline int prepare_hugepage_range(struct file *file, #define __HAVE_ARCH_HUGE_PTEP_GET_AND_CLEAR static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm, - unsigned long addr, pte_t *ptep) + unsigned long addr, pte_t *ptep, + unsigned long sz) { pte_t clear; pte_t pte = *ptep; @@ -42,13 +43,14 @@ static inline pte_t huge_ptep_clear_flush(struct vm_area_struct *vma, unsigned long addr, pte_t *ptep) { pte_t pte; + unsigned long sz = huge_page_size(hstate_vma(vma)); /* * clear the huge pte entry firstly, so that the other smp threads will * not get old pte entry after finishing flush_tlb_page and before * setting new huge pte entry */ - pte = huge_ptep_get_and_clear(vma->vm_mm, addr, ptep); + pte = huge_ptep_get_and_clear(vma->vm_mm, addr, ptep, sz); flush_tlb_page(vma, addr); return pte; } diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h index f7222eb594ea..c14b10821817 100644 --- a/arch/mips/include/asm/kvm_host.h +++ b/arch/mips/include/asm/kvm_host.h @@ -886,7 +886,6 @@ extern unsigned long kvm_mips_get_ramsize(struct kvm *kvm); extern int kvm_vcpu_ioctl_interrupt(struct kvm_vcpu *vcpu, struct kvm_mips_interrupt *irq); -static inline void kvm_arch_sync_events(struct kvm *kvm) {} static inline void kvm_arch_free_memslot(struct kvm *kvm, struct kvm_memory_slot *slot) {} static inline void kvm_arch_memslots_updated(struct kvm *kvm, u64 gen) {} diff --git a/arch/mips/include/asm/ptrace.h b/arch/mips/include/asm/ptrace.h index 4a2b40ce39e0..85fa9962266a 100644 --- a/arch/mips/include/asm/ptrace.h +++ b/arch/mips/include/asm/ptrace.h @@ -27,8 +27,8 @@ */ struct pt_regs { #ifdef CONFIG_32BIT - /* Pad bytes for argument save space on the stack. */ - unsigned long pad0[8]; + /* Saved syscall stack arguments; entries 0-3 unused. */ + unsigned long args[8]; #endif /* Saved main processor registers. */ diff --git a/arch/mips/include/asm/syscall.h b/arch/mips/include/asm/syscall.h index ebdf4d910af2..056aa1b713e2 100644 --- a/arch/mips/include/asm/syscall.h +++ b/arch/mips/include/asm/syscall.h @@ -57,37 +57,21 @@ static inline void mips_syscall_update_nr(struct task_struct *task, static inline void mips_get_syscall_arg(unsigned long *arg, struct task_struct *task, struct pt_regs *regs, unsigned int n) { - unsigned long usp __maybe_unused = regs->regs[29]; - +#ifdef CONFIG_32BIT switch (n) { case 0: case 1: case 2: case 3: *arg = regs->regs[4 + n]; - - return; - -#ifdef CONFIG_32BIT - case 4: case 5: case 6: case 7: - get_user(*arg, (int *)usp + n); return; -#endif - -#ifdef CONFIG_64BIT case 4: case 5: case 6: case 7: -#ifdef CONFIG_MIPS32_O32 - if (test_tsk_thread_flag(task, TIF_32BIT_REGS)) - get_user(*arg, (int *)usp + n); - else -#endif - *arg = regs->regs[4 + n]; - + *arg = regs->args[n]; return; -#endif - - default: - BUG(); } - - unreachable(); +#else + *arg = regs->regs[4 + n]; + if ((IS_ENABLED(CONFIG_MIPS32_O32) && + test_tsk_thread_flag(task, TIF_32BIT_REGS))) + *arg = (unsigned int)*arg; +#endif } static inline long syscall_get_error(struct task_struct *task, diff --git a/arch/mips/include/asm/vdso/gettimeofday.h b/arch/mips/include/asm/vdso/gettimeofday.h index 44a45f3fa4b0..fd32baa30e17 100644 --- a/arch/mips/include/asm/vdso/gettimeofday.h +++ b/arch/mips/include/asm/vdso/gettimeofday.h @@ -167,7 +167,7 @@ static __always_inline u64 read_r4k_count(void) #ifdef CONFIG_CLKSRC_MIPS_GIC -static __always_inline u64 read_gic_count(const struct vdso_data *data) +static __always_inline u64 read_gic_count(const struct vdso_time_data *data) { void __iomem *gic = get_gic(data); u32 hi, hi2, lo; @@ -184,7 +184,7 @@ static __always_inline u64 read_gic_count(const struct vdso_data *data) #endif static __always_inline u64 __arch_get_hw_counter(s32 clock_mode, - const struct vdso_data *vd) + const struct vdso_time_data *vd) { #ifdef CONFIG_CSRC_R4K if (clock_mode == VDSO_CLOCKMODE_R4K) @@ -209,10 +209,11 @@ static inline bool mips_vdso_hres_capable(void) } #define __arch_vdso_hres_capable mips_vdso_hres_capable -static __always_inline const struct vdso_data *__arch_get_vdso_data(void) +static __always_inline const struct vdso_time_data *__arch_get_vdso_u_time_data(void) { - return get_vdso_data(); + return get_vdso_time_data(); } +#define __arch_get_vdso_u_time_data __arch_get_vdso_u_time_data #endif /* !__ASSEMBLY__ */ diff --git a/arch/mips/include/asm/vdso/vdso.h b/arch/mips/include/asm/vdso/vdso.h index 6cd88191fefa..acd0efcd3d93 100644 --- a/arch/mips/include/asm/vdso/vdso.h +++ b/arch/mips/include/asm/vdso/vdso.h @@ -5,16 +5,18 @@ */ #include <asm/sgidefs.h> +#include <vdso/page.h> + +#define __VDSO_PAGES 4 #ifndef __ASSEMBLY__ #include <asm/asm.h> -#include <asm/page.h> #include <asm/vdso.h> -static inline unsigned long get_vdso_base(void) +static inline const struct vdso_time_data *get_vdso_time_data(void) { - unsigned long addr; + const struct vdso_time_data *addr; /* * We can't use cpu_has_mips_r6 since it needs the cpu_data[] @@ -27,7 +29,7 @@ static inline unsigned long get_vdso_base(void) * We can't use addiupc because there is no label-label * support for the addiupc reloc */ - __asm__("lapc %0, _start \n" + __asm__("lapc %0, vdso_u_time_data \n" : "=r" (addr) : :); #else /* @@ -46,7 +48,7 @@ static inline unsigned long get_vdso_base(void) " .set noreorder \n" " bal 1f \n" " nop \n" - " .word _start - . \n" + " .word vdso_u_time_data - . \n" "1: lw %0, 0($31) \n" " " STR(PTR_ADDU) " %0, $31, %0 \n" " .set pop \n" @@ -58,14 +60,9 @@ static inline unsigned long get_vdso_base(void) return addr; } -static inline const struct vdso_data *get_vdso_data(void) -{ - return (const struct vdso_data *)(get_vdso_base() - PAGE_SIZE); -} - #ifdef CONFIG_CLKSRC_MIPS_GIC -static inline void __iomem *get_gic(const struct vdso_data *data) +static inline void __iomem *get_gic(const struct vdso_time_data *data) { return (void __iomem *)((unsigned long)data & PAGE_MASK) - PAGE_SIZE; } diff --git a/arch/mips/include/asm/vdso/vsyscall.h b/arch/mips/include/asm/vdso/vsyscall.h index a4582870aaea..2b1debb62dee 100644 --- a/arch/mips/include/asm/vdso/vsyscall.h +++ b/arch/mips/include/asm/vdso/vsyscall.h @@ -2,22 +2,12 @@ #ifndef __ASM_VDSO_VSYSCALL_H #define __ASM_VDSO_VSYSCALL_H +#include <asm/page.h> + #ifndef __ASSEMBLY__ #include <vdso/datapage.h> -extern struct vdso_data *vdso_data; - -/* - * Update the vDSO data page to keep in sync with kernel timekeeping. - */ -static __always_inline -struct vdso_data *__mips_get_k_vdso_data(void) -{ - return vdso_data; -} -#define __arch_get_k_vdso_data __mips_get_k_vdso_data - /* The asm-generic header needs to be included after the definitions above */ #include <asm-generic/vdso/vsyscall.h> |