aboutsummaryrefslogtreecommitdiffstats
path: root/arch/parisc/mm/init.c
diff options
context:
space:
mode:
authorHelge Deller <deller@gmx.de>2015-02-16 22:21:00 +0100
committerHelge Deller <deller@gmx.de>2015-02-16 22:35:06 +0100
commitc78c2b7e0409feed41ba1b5e84bff5d901c9b65f (patch)
tree66870948164f863cfc0c09e3c2de124ae94b71d7 /arch/parisc/mm/init.c
parentparisc: hpux - Delete files in hpux subdirectory (diff)
downloadlinux-dev-c78c2b7e0409feed41ba1b5e84bff5d901c9b65f.tar.xz
linux-dev-c78c2b7e0409feed41ba1b5e84bff5d901c9b65f.zip
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>
Diffstat (limited to '')
-rw-r--r--arch/parisc/mm/init.c72
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;