Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc-2.6:
  [SPARC32]: Silence sparc32 warnings on missing syscalls.
  [SPARC64]: Fix two kernel linear mapping setup bugs.

diff --git a/arch/sparc64/kernel/entry.S b/arch/sparc64/kernel/entry.S
index c9b0d7a..ea257e8 100644 (file)
--- a/arch/sparc64/kernel/entry.S
+++ b/arch/sparc64/kernel/entry.S
@@ -2593,3 +2593,15 @@ sun4v_mmustat_info:
        retl
         nop
        .size   sun4v_mmustat_info, .-sun4v_mmustat_info
+
+       .globl  sun4v_mmu_demap_all
+       .type   sun4v_mmu_demap_all,#function
+sun4v_mmu_demap_all:
+       clr     %o0
+       clr     %o1
+       mov     HV_MMU_ALL, %o2
+       mov     HV_FAST_MMU_DEMAP_ALL, %o5
+       ta      HV_FAST_TRAP
+       retl
+        nop
+       .size   sun4v_mmu_demap_all, .-sun4v_mmu_demap_all

diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c
index e18ccf8..fbeb55d 100644 (file)
--- a/arch/sparc64/mm/init.c
+++ b/arch/sparc64/mm/init.c
@@ -1133,14 +1133,9 @@ static void __init mark_kpte_bitmap(unsigned long start, unsigned long end)
        }
 }
 
-static void __init kernel_physical_mapping_init(void)
+static void __init init_kpte_bitmap(void)
 {
        unsigned long i;
-#ifdef CONFIG_DEBUG_PAGEALLOC
-       unsigned long mem_alloced = 0UL;
-#endif
-
-       read_obp_memory("reg", &pall[0], &pall_ents);
 
        for (i = 0; i < pall_ents; i++) {
                unsigned long phys_start, phys_end;
@@ -1149,14 +1144,24 @@ static void __init kernel_physical_mapping_init(void)
                phys_end = phys_start + pall[i].reg_size;
 
                mark_kpte_bitmap(phys_start, phys_end);
+       }
+}
 
+static void __init kernel_physical_mapping_init(void)
+{
 #ifdef CONFIG_DEBUG_PAGEALLOC
+       unsigned long i, mem_alloced = 0UL;
+
+       for (i = 0; i < pall_ents; i++) {
+               unsigned long phys_start, phys_end;
+
+               phys_start = pall[i].phys_addr;
+               phys_end = phys_start + pall[i].reg_size;
+
                mem_alloced += kernel_map_range(phys_start, phys_end,
                                                PAGE_KERNEL);
-#endif
        }
 
-#ifdef CONFIG_DEBUG_PAGEALLOC
        printk("Allocated %ld bytes for kernel page tables.\n",
               mem_alloced);
 
@@ -1398,6 +1403,10 @@ void __init paging_init(void)
        
        inherit_prom_mappings();
        
+       read_obp_memory("reg", &pall[0], &pall_ents);
+
+       init_kpte_bitmap();
+
        /* Ok, we can use our TLB miss and window trap handlers safely.  */
        setup_tba();
 
@@ -1904,7 +1913,9 @@ void __flush_tlb_all(void)
                             "wrpr      %0, %1, %%pstate"
                             : "=r" (pstate)
                             : "i" (PSTATE_IE));
-       if (tlb_type == spitfire) {
+       if (tlb_type == hypervisor) {
+               sun4v_mmu_demap_all();
+       } else if (tlb_type == spitfire) {
                for (i = 0; i < 64; i++) {
                        /* Spitfire Errata #32 workaround */
                        /* NOTE: Always runs on spitfire, so no

diff --git a/include/asm-sparc/unistd.h b/include/asm-sparc/unistd.h
index 029b3e0..0decdf7 100644 (file)
--- a/include/asm-sparc/unistd.h
+++ b/include/asm-sparc/unistd.h
@@ -333,6 +333,15 @@
 
 #define NR_SYSCALLS            315
 
+/* Sparc 32-bit only has the "setresuid32", "getresuid32" variants,
+ * it never had the plain ones and there is no value to adding those
+ * old versions into the syscall table.
+ */
+#define __IGNORE_setresuid
+#define __IGNORE_getresuid
+#define __IGNORE_setresgid
+#define __IGNORE_getresgid
+
 #ifdef __KERNEL__
 #define __ARCH_WANT_IPC_PARSE_VERSION
 #define __ARCH_WANT_OLD_READDIR

diff --git a/include/asm-sparc64/hypervisor.h b/include/asm-sparc64/hypervisor.h
index 524d498..3ad45df 100644 (file)
--- a/include/asm-sparc64/hypervisor.h
+++ b/include/asm-sparc64/hypervisor.h
@@ -709,6 +709,10 @@ extern unsigned long sun4v_mmu_tsb_ctx0(unsigned long num_descriptions,
  */
 #define HV_FAST_MMU_DEMAP_ALL          0x24
 
+#ifndef __ASSEMBLY__
+extern void sun4v_mmu_demap_all(void);
+#endif
+
 /* mmu_map_perm_addr()
  * TRAP:       HV_FAST_TRAP
  * FUNCTION:   HV_FAST_MMU_MAP_PERM_ADDR