diff options
Diffstat (limited to 'arch/parisc')
| -rw-r--r-- | arch/parisc/include/asm/processor.h | 2 | ||||
| -rw-r--r-- | arch/parisc/kernel/entry.S | 20 | ||||
| -rw-r--r-- | arch/parisc/kernel/process.c | 15 | ||||
| -rw-r--r-- | arch/parisc/kernel/signal.c | 3 | ||||
| -rw-r--r-- | arch/parisc/mm/init.c | 72 |
5 files changed, 4 insertions, 108 deletions
diff --git a/arch/parisc/include/asm/processor.h b/arch/parisc/include/asm/processor.h index 689a8ade3606..54adb60c0a42 100644 --- a/arch/parisc/include/asm/processor.h +++ b/arch/parisc/include/asm/processor.h @@ -330,8 +330,6 @@ struct mm_struct; /* Free all resources held by a thread. */ extern void release_thread(struct task_struct *); -extern void map_hpux_gateway_page(struct task_struct *tsk, struct mm_struct *mm); - extern unsigned long get_wchan(struct task_struct *p); #define KSTK_EIP(tsk) ((tsk)->thread.regs.iaoq[0]) diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S index e8f07dd28401..2ab16bb160a8 100644 --- a/arch/parisc/kernel/entry.S +++ b/arch/parisc/kernel/entry.S @@ -1774,10 +1774,6 @@ ENTRY(sys_rt_sigreturn_wrapper) ENDPROC(sys_rt_sigreturn_wrapper) ENTRY(syscall_exit) - /* NOTE: HP-UX syscalls also come through here - * after hpux_syscall_exit fixes up return - * values. */ - /* NOTE: Not all syscalls exit this way. rt_sigreturn will exit * via syscall_exit_rfi if the signal was received while the process * was running. @@ -1789,22 +1785,6 @@ ENTRY(syscall_exit) LDREG TI_TASK(%r1),%r1 STREG %r28,TASK_PT_GR28(%r1) -#ifdef CONFIG_HPUX -/* <linux/personality.h> cannot be easily included */ -#define PER_HPUX 0x10 - ldw TASK_PERSONALITY(%r1),%r19 - - /* We can't use "CMPIB<> PER_HPUX" since "im5" field is sign extended */ - ldo -PER_HPUX(%r19), %r19 - cmpib,COND(<>),n 0,%r19,1f - - /* Save other hpux returns if personality is PER_HPUX */ - STREG %r22,TASK_PT_GR22(%r1) - STREG %r29,TASK_PT_GR29(%r1) -1: - -#endif /* CONFIG_HPUX */ - /* Seems to me that dp could be wrong here, if the syscall involved * calling a module, and nothing got round to restoring dp on return. */ diff --git a/arch/parisc/kernel/process.c b/arch/parisc/kernel/process.c index 0bbbf0d3f608..8a488c22a99f 100644 --- a/arch/parisc/kernel/process.c +++ b/arch/parisc/kernel/process.c @@ -193,9 +193,7 @@ copy_thread(unsigned long clone_flags, unsigned long usp, * Make them const so the compiler knows they live in .text */ extern void * const ret_from_kernel_thread; extern void * const child_return; -#ifdef CONFIG_HPUX - extern void * const hpux_child_return; -#endif + if (unlikely(p->flags & PF_KTHREAD)) { memset(cregs, 0, sizeof(struct pt_regs)); if (!usp) /* idle thread */ @@ -229,15 +227,8 @@ copy_thread(unsigned long clone_flags, unsigned long usp, cregs->gr[30] = usp; } cregs->ksp = (unsigned long)stack + THREAD_SZ_ALGN + FRAME_SIZE; - if (personality(p->personality) == PER_HPUX) { -#ifdef CONFIG_HPUX - cregs->kpc = (unsigned long) &hpux_child_return; -#else - BUG(); -#endif - } else { - cregs->kpc = (unsigned long) &child_return; - } + cregs->kpc = (unsigned long) &child_return; + /* Setup thread TLS area from the 4th parameter in clone */ if (clone_flags & CLONE_SETTLS) cregs->cr27 = cregs->gr[23]; diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c index 1fd300c00a80..dc1ea796fd60 100644 --- a/arch/parisc/kernel/signal.c +++ b/arch/parisc/kernel/signal.c @@ -9,8 +9,7 @@ * * Like the IA-64, we are a recent enough port (we are *starting* * with glibc2.2) that we do not need to support the old non-realtime - * Linux signals. Therefore we don't. HP/UX signals will go in - * arch/parisc/hpux/signal.c when we figure out how to do them. + * Linux signals. Therefore we don't. */ #include <linux/sched.h> diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c index 0bef864264c0..15dbe81cf5f3 100644 --- a/arch/parisc/mm/init.c +++ b/arch/parisc/mm/init.c @@ -750,78 +750,6 @@ static void __init gateway_init(void) PAGE_SIZE, PAGE_GATEWAY, 1); } -#ifdef CONFIG_HPUX -void -map_hpux_gateway_page(struct task_struct *tsk, struct mm_struct *mm) -{ - pgd_t *pg_dir; - pmd_t *pmd; - pte_t *pg_table; - unsigned long start_pmd; - unsigned long start_pte; - unsigned long address; - unsigned long hpux_gw_page_addr; - /* FIXME: This is 'const' in order to trick the compiler - into not treating it as DP-relative data. */ - extern void * const hpux_gateway_page; - - hpux_gw_page_addr = HPUX_GATEWAY_ADDR & PAGE_MASK; - - /* - * Setup HP-UX Gateway page. - * - * The HP-UX gateway page resides in the user address space, - * so it needs to be aliased into each process. - */ - - pg_dir = pgd_offset(mm,hpux_gw_page_addr); - -#if PTRS_PER_PMD == 1 - start_pmd = 0; -#else - start_pmd = ((hpux_gw_page_addr >> PMD_SHIFT) & (PTRS_PER_PMD - 1)); -#endif - start_pte = ((hpux_gw_page_addr >> PAGE_SHIFT) & (PTRS_PER_PTE - 1)); - - address = __pa(&hpux_gateway_page); -#if PTRS_PER_PMD == 1 - pmd = (pmd_t *)__pa(pg_dir); -#else - pmd = (pmd_t *) pgd_address(*pg_dir); - - /* - * pmd is physical at this point - */ - - if (!pmd) { - pmd = (pmd_t *) get_zeroed_page(GFP_KERNEL); - pmd = (pmd_t *) __pa(pmd); - } - - __pgd_val_set(*pg_dir, PxD_FLAG_PRESENT | PxD_FLAG_VALID | (unsigned long) pmd); -#endif - /* now change pmd to kernel virtual addresses */ - - pmd = (pmd_t *)__va(pmd) + start_pmd; - - /* - * pg_table is physical at this point - */ - - pg_table = (pte_t *) pmd_address(*pmd); - if (!pg_table) - pg_table = (pte_t *) __pa(get_zeroed_page(GFP_KERNEL)); - - __pmd_val_set(*pmd, PxD_FLAG_PRESENT | PxD_FLAG_VALID | (unsigned long) pg_table); - - /* now change pg_table to kernel virtual addresses */ - - pg_table = (pte_t *) __va(pg_table) + start_pte; - set_pte(pg_table, __mk_pte(address, PAGE_GATEWAY)); -} -EXPORT_SYMBOL(map_hpux_gateway_page); -#endif - void __init paging_init(void) { int i; |