parisc: hpux - Remove hpux gateway page

Drop code to create HP-UX gateway page and syscall entry code.

Signed-off-by: Helge Deller <deller@gmx.de>

1 files changed, 0 insertions, 72 deletions

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;