1 files changed, 18 insertions, 11 deletions

diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c
index 39804c584edd..2794501ff302 100644
--- a/arch/mips/kernel/vpe.c
+++ b/arch/mips/kernel/vpe.c
@@ -269,7 +269,7 @@ static void *alloc_progmem(unsigned long len)
          * This means you must tell Linux to use less memory than you
          * physically have, for example by passing a mem= boot argument.
          */
-        addr = pfn_to_kaddr(max_pfn);
+        addr = pfn_to_kaddr(max_low_pfn);
         memset(addr, 0, len);
 #else
         /* simple grab some mem for now */
@@ -781,10 +781,15 @@ static int vpe_run(struct vpe * v)
         /* take system out of configuration state */
         clear_c0_mvpcontrol(MVPCONTROL_VPC);
 
+        /*
+         * SMTC/SMVP kernels manage VPE enable independently,
+         * but uniprocessor kernels need to turn it on, even
+         * if that wasn't the pre-dvpe() state.
+         */
 #ifdef CONFIG_SMP
-        evpe(EVPE_ENABLE);
-#else
         evpe(vpeflags);
+#else
+        evpe(EVPE_ENABLE);
 #endif
         emt(dmt_flag);
         local_irq_restore(flags);
@@ -840,7 +845,7 @@ static int vpe_elfload(struct vpe * v)
 
         /* Sanity checks against insmoding binaries or wrong arch,
            weird elf version */
-        if (memcmp(hdr->e_ident, ELFMAG, 4) != 0
+        if (memcmp(hdr->e_ident, ELFMAG, SELFMAG) != 0
             || (hdr->e_type != ET_REL && hdr->e_type != ET_EXEC)
             || !elf_check_arch(hdr)
             || hdr->e_shentsize != sizeof(*sechdrs)) {
@@ -947,12 +952,14 @@ static int vpe_elfload(struct vpe * v)
                 struct elf_phdr *phdr = (struct elf_phdr *) ((char *)hdr + hdr->e_phoff);
 
                 for (i = 0; i < hdr->e_phnum; i++) {
-                        if (phdr->p_type != PT_LOAD)
-                                continue;
-
-                        memcpy((void *)phdr->p_paddr, (char *)hdr + phdr->p_offset, phdr->p_filesz);
-                        memset((void *)phdr->p_paddr + phdr->p_filesz, 0, phdr->p_memsz - phdr->p_filesz);
-                        phdr++;
+                        if (phdr->p_type == PT_LOAD) {
+                                memcpy((void *)phdr->p_paddr,
+                                       (char *)hdr + phdr->p_offset,
+                                       phdr->p_filesz);
+                                memset((void *)phdr->p_paddr + phdr->p_filesz,
+                                       0, phdr->p_memsz - phdr->p_filesz);
+                    }
+                    phdr++;
                 }
 
                 for (i = 0; i < hdr->e_shnum; i++) {
@@ -1107,7 +1114,7 @@ static int vpe_release(struct inode *inode, struct file *filp)
                 return -ENODEV;
 
         hdr = (Elf_Ehdr *) v->pbuffer;
-        if (memcmp(hdr->e_ident, ELFMAG, 4) == 0) {
+        if (memcmp(hdr->e_ident, ELFMAG, SELFMAG) == 0) {
                 if (vpe_elfload(v) >= 0) {
                         vpe_run(v);
                 } else {