Fedora kernel-2.6.17-1.2142_FC4 patched with stable patch-2.6.17.4-vs2.0.2-rc26.diff

[linux-2.6.git] / arch / sparc / mm / srmmu.c

diff --git a/arch/sparc/mm/srmmu.c b/arch/sparc/mm/srmmu.c
index c89a803..58c65cc 100644 (file)
--- a/arch/sparc/mm/srmmu.c
+++ b/arch/sparc/mm/srmmu.c
@@ -260,7 +260,7 @@ static inline pte_t srmmu_pte_modify(pte_t pte, pgprot_t newprot)
 { return __pte((pte_val(pte) & SRMMU_CHG_MASK) | pgprot_val(newprot)); }
 
 /* to find an entry in a top-level page table... */
-extern inline pgd_t *srmmu_pgd_offset(struct mm_struct * mm, unsigned long address)
+static inline pgd_t *srmmu_pgd_offset(struct mm_struct * mm, unsigned long address)
 { return mm->pgd + (address >> SRMMU_PGDIR_SHIFT); }
 
 /* Find an entry in the second-level page table.. */
@@ -1302,7 +1302,12 @@ void __init srmmu_paging_init(void)
 
        flush_cache_all();
        srmmu_set_ctable_ptr((unsigned long)srmmu_ctx_table_phys);
+#ifdef CONFIG_SMP
+       /* Stop from hanging here... */
+       local_flush_tlb_all();
+#else
        flush_tlb_all();
+#endif
        poke_srmmu();
 
 #ifdef CONFIG_SUN_IO
@@ -1419,6 +1424,7 @@ static void __init init_vac_layout(void)
                                max_size = vac_cache_size;
                        if(vac_line_size < min_line_size)
                                min_line_size = vac_line_size;
+                       //FIXME: cpus not contiguous!!
                        cpu++;
                        if (cpu >= NR_CPUS || !cpu_online(cpu))
                                break;
@@ -2130,6 +2136,13 @@ static unsigned long srmmu_pte_to_pgoff(pte_t pte)
        return pte_val(pte) >> SRMMU_PTE_FILE_SHIFT;
 }
 
+static pgprot_t srmmu_pgprot_noncached(pgprot_t prot)
+{
+       prot &= ~__pgprot(SRMMU_CACHE);
+
+       return prot;
+}
+
 /* Load up routines and constants for sun4m and sun4d mmu */
 void __init ld_mmu_srmmu(void)
 {
@@ -2150,9 +2163,9 @@ void __init ld_mmu_srmmu(void)
        BTFIXUPSET_INT(page_readonly, pgprot_val(SRMMU_PAGE_RDONLY));
        BTFIXUPSET_INT(page_kernel, pgprot_val(SRMMU_PAGE_KERNEL));
        page_kernel = pgprot_val(SRMMU_PAGE_KERNEL);
-       pg_iobits = SRMMU_VALID | SRMMU_WRITE | SRMMU_REF;
 
        /* Functions */
+       BTFIXUPSET_CALL(pgprot_noncached, srmmu_pgprot_noncached, BTFIXUPCALL_NORM);
 #ifndef CONFIG_SMP     
        BTFIXUPSET_CALL(___xchg32, ___xchg32_sun4md, BTFIXUPCALL_SWAPG1G2);
 #endif